* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f7f7f8;
    --bg-sidebar: #f7f7f8;
    --bg-sidebar-hover: #e9e9eb;
    --text-primary: #2c2c2e;
    --text-secondary: #6c6c70;
    --border-color: #e4e4e7;
    --message-bot: #f0f0f0;
    --message-user: #19c37d;
    --message-user-text: #ffffff;
    --accent-color: #19c37d;
    --accent-hover: #15a56a;
    --sidebar-width: 260px;
    --header-height: 60px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --bg-primary-rgb: 255, 255, 255;
}

/* ============================================
   TEMAS ADICIONAIS
   ============================================ */
body.theme-blue {
    --bg-primary: #f0f7ff;
    --bg-secondary: #e3f0ff;
    --bg-sidebar: #e3f0ff;
    --bg-sidebar-hover: #d0e4fa;
    --text-primary: #1a3a5c;
    --text-secondary: #4a6a8a;
    --border-color: #b8d4f0;
    --message-bot: #e3f0ff;
    --message-user: #2563eb;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
}
body.theme-purple {
    --bg-primary: #faf5ff;
    --bg-secondary: #f3e8ff;
    --bg-sidebar: #f3e8ff;
    --bg-sidebar-hover: #e9d5ff;
    --text-primary: #3b0764;
    --text-secondary: #6b21a5;
    --border-color: #d8b4fe;
    --message-bot: #f3e8ff;
    --message-user: #9333ea;
    --accent-color: #9333ea;
    --accent-hover: #7e22ce;
}
body.theme-green {
    --bg-primary: #f0fdf4;
    --bg-secondary: #dcfce7;
    --bg-sidebar: #dcfce7;
    --bg-sidebar-hover: #bbf7d0;
    --text-primary: #14532d;
    --text-secondary: #166534;
    --border-color: #86efac;
    --message-bot: #dcfce7;
    --message-user: #16a34a;
    --accent-color: #16a34a;
    --accent-hover: #15803d;
}
body.theme-red {
    --bg-primary: #fff5f5;
    --bg-secondary: #fee2e2;
    --bg-sidebar: #fee2e2;
    --bg-sidebar-hover: #fecaca;
    --text-primary: #7f1d1d;
    --text-secondary: #991b1b;
    --border-color: #fca5a5;
    --message-bot: #fee2e2;
    --message-user: #dc2626;
    --accent-color: #dc2626;
    --accent-hover: #b91c1c;
}
body.theme-yellow {
    --bg-primary: #fefce8;
    --bg-secondary: #fef9c3;
    --bg-sidebar: #fef9c3;
    --bg-sidebar-hover: #fef08a;
    --text-primary: #713f12;
    --text-secondary: #854d0e;
    --border-color: #fde047;
    --message-bot: #fef9c3;
    --message-user: #eab308;
    --accent-color: #eab308;
    --accent-hover: #ca8a04;
}
body.theme-pink {
    --bg-primary: #fdf2f8;
    --bg-secondary: #fce7f3;
    --bg-sidebar: #fce7f3;
    --bg-sidebar-hover: #fbcfe8;
    --text-primary: #831843;
    --text-secondary: #9d174d;
    --border-color: #f9a8d4;
    --message-bot: #fce7f3;
    --message-user: #ec4899;
    --accent-color: #ec4899;
    --accent-hover: #db2777;
}
body.dark {
    --bg-primary: #1e1e2e;
    --bg-secondary: #2a2a3a;
    --bg-sidebar: #1a1a2a;
    --bg-sidebar-hover: #25253a;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --border-color: #3a3a4a;
    --message-bot: #2a2a3a;
    --message-user: #19c37d;
    --accent-color: #19c37d;
    --accent-hover: #15a56a;
    --bg-primary-rgb: 30, 30, 46;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

/* ===== App Layout ===== */
.app {
    display: flex;
    height: 100vh;
    width: 100%;
    position: relative;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    flex-shrink: 0;
    position: relative;
}
.sidebar.closed {
    width: 0 !important;
    min-width: 0 !important;
    overflow: hidden;
    border-right: none;
    padding: 0;
}
.sidebar.closed .sidebar-header,
.sidebar.closed .sidebar-content,
.sidebar.closed .sidebar-footer { display: none; }

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.new-chat-btn {
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    transition: all 0.2s;
}
.new-chat-btn:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}
.history-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding: 0 8px;
}
.history-list { display: flex; flex-direction: column; gap: 4px; }

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--text-primary);
    position: relative;
}
.history-item:hover { background: var(--bg-sidebar-hover); }
.history-item.active {
    background: var(--bg-sidebar-hover);
    border-left: 3px solid var(--accent-color);
}
.history-item-main {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    overflow: hidden;
}
.history-item-main i {
    color: var(--text-secondary);
    font-size: 14px;
    flex-shrink: 0;
}
.history-item-main span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.history-item-actions { display: none; gap: 4px; }
.history-item:hover .history-item-actions { display: flex; }

.history-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 6px;
    font-size: 12px;
    transition: all 0.2s;
}
.history-action-btn:hover {
    background: var(--bg-primary);
    color: var(--accent-color);
}
.empty-history {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-secondary);
}
.empty-history i {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    flex: 1;
}
.user-info i { font-size: 24px; }
.sidebar-actions { display: flex; gap: 6px; }
.logout-btn, .settings-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}
.logout-btn:hover, .settings-btn:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-primary);
}
.logout-btn:hover { color: #dc2626; }

/* Sidebar Toggle Button (mobile/desktop) */
.sidebar-toggle {
    position: fixed;
    left: 16px;
    top: 16px;
    z-index: 101;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    display: none;
    color: var(--text-primary);
    transition: all 0.2s;
}
.sidebar-toggle:hover { background: var(--bg-sidebar-hover); }

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.main-header {
    height: var(--header-height);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-primary);
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
}
.header-left { display: flex; align-items: center; gap: 8px; }

/* ===== Sidebar Toggle Button (Desktop) ===== */
.sidebar-toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 18px;
    transition: all 0.2s;
    position: relative;
}
.sidebar-toggle-btn:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}
/* Tooltip Unificado */
.sidebar-toggle-btn::before, .history-item[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    background: rgba(30, 30, 46, 0.95);
    color: #ffffff;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    pointer-events: none;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}
.sidebar-toggle-btn::before {
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
}
.sidebar-toggle-btn::after, .history-item[data-tooltip]::after {
    content: '';
    position: absolute;
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent rgba(30, 30, 46, 0.95) transparent;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}
.sidebar-toggle-btn::after {
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
}
.history-item[data-tooltip]::after {
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    border-top-color: rgba(30, 30, 46, 0.95);
    margin-bottom: -4px;
}
.history-item[data-tooltip]::before {
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    margin-bottom: 8px;
}
.sidebar-toggle-btn:hover::before,
.sidebar-toggle-btn:hover::after,
.history-item[data-tooltip]:hover::before,
.history-item[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
}
.sidebar-toggle-btn:hover::before { bottom: -35px; }
.sidebar-toggle-btn:hover::after { bottom: -7px; }
.history-item[data-tooltip]:hover::before { margin-bottom: 12px; }
.history-item[data-tooltip]:hover::after { margin-bottom: 4px; }

/* Tooltip Body Theme Adjustments */
body.dark .history-item[data-tooltip]::before,
body.dark .history-item[data-tooltip]::after { border-top-color: rgba(30, 30, 46, 0.95); background: rgba(30, 30, 46, 0.95); color: #ffffff; }
body:not(.dark) .history-item[data-tooltip]::before { background: rgba(255, 255, 255, 0.98); color: #1e1e2e; border-color: rgba(0, 0, 0, 0.1); }
body:not(.dark) .history-item[data-tooltip]::after { border-top-color: rgba(255, 255, 255, 0.98); }

.header-right { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    font-size: 18px;
    transition: all 0.2s;
}
.theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}

/* ===== Modo IA Selector ===== */
.modo-selector {
    display: flex;
    gap: 8px;
    background: var(--bg-secondary);
    border-radius: 40px;
    padding: 4px;
    margin-right: 12px;
}
.modo-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 32px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    background: transparent;
    color: var(--text-secondary);
}
.modo-btn i { font-size: 14px; }
.modo-btn.active {
    background: var(--accent-color);
    color: white;
}
.modo-btn:hover:not(.active) {
    background: var(--bg-sidebar-hover);
    color: var(--text-primary);
}

/* ===== Chat Container ===== */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.chat-container::-webkit-scrollbar { display: none; }

.messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
    scroll-behavior: smooth;
}
/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30%;
    background: var(--border-color);
    border-radius: 4px;
    z-index: 50;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}
.scroll-progress:hover { opacity: 1; }
.scroll-progress-bar {
    width: 100%;
    background: var(--accent-color);
    border-radius: 4px;
    position: absolute;
    top: 0;
    left: 0;
    transition: height 0.1s ease;
}

/* ===== Welcome Screen ===== */
.welcome-screen {
    text-align: center;
    padding: 64px 24px;
    max-width: 700px;
    margin: 0 auto;
}
.welcome-screen h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--accent-color), var(--text-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.welcome-screen p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.6;
}

.suggestions-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}
.suggestions-loading i {
    font-size: 24px;
    margin-bottom: 12px;
    display: inline-block;
}
.suggestions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 24px;
}
.suggestion-card {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}
.suggestion-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    background: var(--message-bot);
    box-shadow: var(--shadow-md);
}
.suggestion-card i {
    font-size: 20px;
    color: var(--accent-color);
}
.suggestion-card span {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

/* ===== Message Styles ===== */
.message {
    display: flex;
    margin-bottom: 20px;
    animation: fadeInUp 0.3s ease-out;
    max-width: 100%;
}
.message.user { justify-content: flex-end; }
.message.bot { justify-content: flex-start; }

.message-wrapper { max-width: 85%; position: relative; }
.message-content {
    padding: 12px 18px;
    border-radius: 24px;
    line-height: 1.6;
    font-size: 15px;
    word-wrap: break-word;
}
.message.bot .message-content {
    background: var(--message-bot);
    border-radius: 24px 24px 24px 8px;
}
.message.user .message-content {
    background: var(--accent-color);
    color: white;
    border-radius: 24px 24px 8px 24px;
}

/* Code blocks */
.message-content pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 12px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 12px 0;
}
.message-content code {
    font-family: 'Fira Code', 'Menlo', monospace;
    font-size: 13px;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 6px;
}
.message.user .message-content code {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Message Actions */
.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.2s ease;
    justify-content: flex-start;
}
.message.user .message-actions { justify-content: flex-end; }
.message:hover .message-actions { opacity: 1; }
.message-actions button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}
.message-actions button:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}
.message-actions button.active { color: var(--accent-color); }

/* Typing & Thinking Indicators */
.typing-indicator, .group-typing-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}
.group-typing-indicator {
    background: var(--bg-secondary);
    border-radius: 24px;
    width: fit-content;
    margin: 8px 0 8px 16px;
    border: 1px solid var(--border-color);
}
.typing-dots, .thinking-dots {
    display: flex;
    gap: 4px;
    padding: 10px 16px;
    background: var(--message-bot);
    border-radius: 24px;
    width: fit-content;
}
.typing-dots span, .thinking-dots span {
    width: 8px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}
.typing-dots span:nth-child(1), .thinking-dots span:nth-child(1) { animation-delay: 0s; }
.typing-dots span:nth-child(2), .thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3), .thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
.thinking-dots span { background: var(--accent-color); }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-10px); opacity: 1; }
}
@keyframes thinkingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-8px); opacity: 1; }
}

.typing-text, .thinking-text {
    font-size: 13px;
    color: var(--text-secondary);
}
.thinking-content {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--message-bot) !important;
    padding: 12px 20px !important;
}

/* Streaming Cursor */
.streaming-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent-color);
    margin-left: 2px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== Input Area ===== */
.input-area {
    padding: 16px 24px 24px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}
.input-container {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    background: var(--bg-secondary);
    border-radius: 28px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
    max-width: 900px;
    margin: 0 auto;
}
.input-container:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(25, 195, 125, 0.2);
}
textarea, .form-group textarea, .edit-message-modal textarea {
    flex: 1;
    background: transparent;
    border: none;
    resize: none;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    font-family: inherit;
    max-height: 150px;
    padding: 10px 0;
}
textarea:focus, .form-group textarea:focus, .edit-message-modal textarea:focus { outline: none; }

.send-btn {
    background: var(--accent-color);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.2s;
    flex-shrink: 0;
}
.send-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}
.input-footer {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}
.info-text {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.info-text i { font-size: 10px; }

/* ===== Modals ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal.show { display: flex; }
.modal-content {
    background: var(--bg-primary);
    border-radius: 24px;
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
    box-shadow: var(--shadow-xl);
}
.modal-small { max-width: 400px; }
.modal-medium { max-width: 500px; }

@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}
.modal-header h3 i {
    margin-right: 8px;
    color: var(--accent-color);
}
.modal-close {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 8px;
    transition: all 0.2s;
}
.modal-close:hover { background: var(--bg-secondary); }
.modal-body { padding: 24px; overflow-y: auto; }

/* Settings Modal Tabs */
.settings-body {
    display: flex;
    padding: 0 !important;
    height: 550px;
    max-height: 75vh;
}
.settings-sidebar {
    width: 220px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    flex-shrink: 0;
}
.settings-nav { display: flex; flex-direction: column; gap: 4px; }
.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all 0.2s;
    width: 100%;
    text-align: left;
}
.settings-nav-item i {
    width: 20px;
    font-size: 16px;
    color: var(--text-secondary);
}
.settings-nav-item:hover { background: var(--bg-sidebar-hover); }
.settings-nav-item.active {
    background: var(--bg-sidebar-hover);
    border-right: 3px solid var(--accent-color);
    color: var(--accent-color);
}
.settings-nav-item.active i { color: var(--accent-color); }
.settings-content {
    flex: 1;
    padding: 24px 28px;
    overflow-y: auto;
}
.settings-tab { display: none; }
.settings-tab.active { display: block; animation: fadeIn 0.2s ease; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.setting-section { margin-bottom: 28px; }
.setting-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Theme Grid & Font Options */
.theme-grid, .font-size-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
}
.font-size-options { grid-template-columns: repeat(3, 1fr); }

.theme-option, .font-size-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 6px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 500;
}
.theme-option i, .font-size-btn i { font-size: 18px; }
.theme-option:hover, .font-size-btn:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    background: var(--bg-sidebar-hover);
}
.theme-option.active, .font-size-btn.active {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: white;
}

/* Sidebar Settings Buttons */
.sidebar-setting {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}
.sidebar-setting-btn {
    flex: 1;
    padding: 10px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.sidebar-setting-btn:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
}
.sidebar-setting-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Danger Zone */
.danger-zone-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.danger-zone-header i {
    font-size: 24px;
    color: #dc2626;
    margin-bottom: 8px;
}
.danger-zone-header span {
    font-size: 18px;
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}
.danger-zone-desc { font-size: 13px; color: var(--text-secondary); }
.danger-card {
    background: rgba(220, 38, 38, 0.05);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
}
.danger-card:hover {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.3);
}
.danger-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(220, 38, 38, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.danger-card-icon i {
    font-size: 24px;
    color: #dc2626;
}
.danger-card-content { flex: 1; }
.danger-card-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: #dc2626;
    margin-bottom: 4px;
}
.danger-card-content p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}
.danger-btn {
    background: #dc2626;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    flex-shrink: 0;
}
.danger-btn:hover {
    background: #b91c1c;
    transform: scale(1.02);
}

.action-btn {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    transition: all 0.2s;
}
.action-btn:hover {
    background: var(--bg-sidebar-hover);
    transform: translateY(-1px);
}

/* Perfil Modal */
.perfil-body { max-height: 70vh; overflow-y: auto; }
.perfil-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}
.perfil-avatar-section {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}
.perfil-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
}
.perfil-avatar i { font-size: 48px; }
.perfil-avatar-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.2s;
}
.perfil-avatar-btn:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
}
.perfil-section { margin-bottom: 28px; }
.perfil-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}
.perfil-section-title i { color: var(--accent-color); }
.perfil-form-group { margin-bottom: 16px; }
.perfil-form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
}
.perfil-form-group input,
.perfil-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
    font-family: inherit;
}
.perfil-form-group input:focus,
.perfil-form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(25, 195, 125, 0.1);
}
.perfil-form-group input:disabled {
    background: var(--bg-secondary);
    cursor: not-allowed;
}
.perfil-save-btn {
    width: 100%;
    padding: 12px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.perfil-save-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Dislike Modal */
.dislike-options { display: flex; flex-direction: column; gap: 10px; }
.dislike-option {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.2s;
}
.dislike-option:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    z-index: 1001;
    animation: slideUp 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}
@keyframes slideUp {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.toast.success i { color: var(--accent-color); }
.toast.error i { color: #dc2626; }

/* ===== Scrollbar Styling ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ===== History Groups ===== */
.history-group { margin-bottom: 20px; }
.history-group:last-child { margin-bottom: 0; }
.history-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 8px 8px 4px;
    margin-top: 8px;
}
.history-group-title i { font-size: 10px; opacity: 0.7; }
.history-group:first-child .history-group-title { margin-top: 0; }
.history-group-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.history-title-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
    display: block;
}

/* ===== Logo Area ===== */
.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 8px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.2s;
}
.logo-area i {
    font-size: 24px;
    color: var(--accent-color);
}
.logo-area span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}
.logo-area:hover { opacity: 0.8; }

/* ===== Question Navigator (DeepSeek Style) ===== */
.question-navigator {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 240px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 90;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    background: rgba(var(--bg-primary-rgb), 0.95);
}
.question-navigator.collapsed { width: 48px; }
.question-navigator.collapsed .navigator-content { display: none; }
.question-navigator.collapsed .navigator-header span { display: none; }
.question-navigator.collapsed .navigator-header { justify-content: center; padding: 12px 0; }
.question-navigator.collapsed .navigator-toggle i { transform: rotate(180deg); }

.navigator-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
}
.navigator-header i:first-child {
    color: var(--accent-color);
    font-size: 14px;
}
.navigator-header span {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}
.navigator-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.navigator-toggle:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}
.navigator-content {
    overflow-y: auto;
    max-height: calc(70vh - 50px);
    padding: 8px 0;
}
.navigator-empty {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-secondary);
}
.navigator-empty i {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.5;
}
.navigator-empty p { font-size: 13px; }

.navigator-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.navigator-item:hover { background: var(--bg-sidebar-hover); }
.navigator-item.active {
    border-left-color: var(--accent-color);
    background: var(--bg-secondary);
}
.navigator-item .question-number {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-color);
    min-width: 24px;
}
.navigator-item .question-text {
    flex: 1;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.navigator-item .question-badge {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 10px;
    color: var(--text-secondary);
}

/* Highlight pergunta */
.message.user.question-highlight .message-content {
    animation: highlightPulse 0.5s ease;
    box-shadow: 0 0 0 3px var(--accent-color);
}
@keyframes highlightPulse {
    0% { box-shadow: 0 0 0 0 var(--accent-color); transform: scale(1); }
    50% { box-shadow: 0 0 0 6px var(--accent-color); transform: scale(1.01); }
    100% { box-shadow: 0 0 0 0 var(--accent-color); transform: scale(1); }
}

/* ===== Attachments ===== */
.attach-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 10px;
    border-radius: 50%;
    transition: all 0.2s;
    font-size: 18px;
}
.attach-btn:hover {
    background: var(--bg-sidebar-hover);
    color: var(--accent-color);
}
.attachment-image {
    margin: 12px 0;
    cursor: pointer;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    max-width: 100%;
    display: inline-block;
}
.attachment-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}
.attachment-image img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    width: auto;
    height: auto;
    display: block;
    object-fit: contain;
    background: #f5f5f5;
}
.attachment-caption {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px solid var(--border-color);
}
.attachment-caption i {
    color: var(--accent-color);
    font-size: 12px;
}
.attachment-file, .group-message-content .attachment-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
}
.attachment-file:hover, .group-message-content .attachment-item:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
    transform: translateY(-1px);
}
.attachment-file i:first-child, .group-message-content .attachment-item i:first-child {
    color: var(--accent-color);
}
.attachment-file i:last-child { font-size: 11px; opacity: 0.7; }
.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-radius: 6px;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}
.attachment-link:hover {
    background: var(--bg-sidebar-hover);
    text-decoration: underline;
}
.group-message-content .attachment-actions {
    display: inline-flex;
    gap: 5px;
    margin-left: 8px;
}
.group-message-content .attachment-actions button {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.group-message-content .attachment-actions button:hover {
    background: var(--bg-sidebar-hover);
    color: var(--accent-color);
}
.attachment-deleted {
    background: var(--bg-secondary) !important;
    opacity: 0.7;
    border: 1px dashed var(--border-color) !important;
    cursor: default;
}
.upload-progress {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 12px 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border-color);
}
.upload-progress .progress-bar {
    width: 200px;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}
.upload-progress .progress-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s;
}
.message-attachments {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.edited-badge {
    font-size: 10px;
    color: var(--text-secondary);
    margin-left: 6px;
    font-style: italic;
}
.deleted-message .deleted-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 12px;
}
.deleted-message .deleted-content i { font-size: 12px; }

/* ===== Teams/Groups Styles ===== */
.groups-section {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}
.groups-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 0 8px;
}
.create-group-btn {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s;
}
.create-group-btn:hover {
    background: var(--bg-sidebar-hover);
    color: var(--accent-color);
}
.group-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
}
.group-item:hover { background: var(--bg-sidebar-hover); }
.group-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
.group-icon i { font-size: 16px; }
.group-info { flex: 1; }
.group-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}
.group-members { font-size: 11px; color: var(--text-secondary); }
.admin-badge {
    font-size: 10px;
    background: var(--accent-color);
    color: white;
    padding: 2px 6px;
    border-radius: 12px;
}
.empty-groups {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
}
.empty-groups i {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.5;
}
.empty-groups small { font-size: 11px; }

/* Group Chat Header */
.group-chat-header {
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
}
.group-header-info {
    display: flex;
    align-items: center;
    gap: 16px;
}
.back-to-chat {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}
.back-to-chat:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}
.group-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
.group-avatar i { font-size: 20px; }
.group-details h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}
.group-details span {
    font-size: 12px;
    color: var(--text-secondary);
}
.group-header-actions { display: flex; gap: 8px; }
.group-header-actions button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}
.group-header-actions button:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}
.group-inactive-warning {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 16px;
    text-align: center;
    color: #dc2626;
}

/* Group Messages */
.group-message {
    margin-bottom: 20px;
    animation: fadeInUp 0.3s ease;
}
.group-message.user { text-align: right; }
.group-message.user .group-message-content {
    background: var(--accent-color);
    color: white;
    border-radius: 20px 20px 4px 20px;
    display: inline-block;
    text-align: left;
}
.group-message:not(.user) .group-message-content {
    background: var(--message-bot);
    border-radius: 20px 20px 20px 4px;
}
.group-message-sender {
    font-size: 12px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: flex-start;
}
.group-message.user .group-message-sender { justify-content: flex-end; }
.group-message-sender strong { color: var(--accent-color); }
.group-message-sender small { color: var(--text-secondary); }
.group-message-content {
    padding: 10px 16px;
    max-width: 70%;
    display: inline-block;
    word-wrap: break-word;
}

/* Members Panel */
.group-members-panel {
    position: fixed;
    right: -320px;
    top: 0;
    width: 320px;
    height: 100%;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    z-index: 300;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}
.group-members-panel.show { right: 0; }
.panel-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.panel-header h4 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.close-panel {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}
.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}
.member-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}
.member-avatar i { font-size: 32px; color: var(--text-secondary); }
.member-info { flex: 1; }
.member-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.member-email { font-size: 11px; color: var(--text-secondary); }
.you-badge {
    font-size: 10px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 12px;
}
.member-actions {
    display: flex;
    gap: 6px;
}
.member-action-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
    color: var(--text-secondary);
}
.member-action-btn:hover { background: var(--bg-secondary); }
.member-action-btn.remove-member:hover {
    color: #dc2626;
    background: rgba(220, 38, 38, 0.1);
}

/* Add Member Section */
.add-member-section {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.add-member-section h5, .pending-requests-section h5, .members-list h5 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.add-member-form {
    display: flex;
    gap: 8px;
}
.add-member-form input, .email-invite input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
}
.add-member-form input:focus, .email-invite input:focus {
    outline: none;
    border-color: var(--accent-color);
}
.add-member-btn, .send-invite-btn {
    padding: 10px 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}
.add-member-btn:hover, .send-invite-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.add-member-message { margin-top: 8px; font-size: 12px; }
.add-member-message .success { color: var(--accent-color); }
.add-member-message .error { color: #dc2626; }

/* Pending Requests in Panel */
.pending-requests-list { max-height: 200px; overflow-y: auto; }
.pending-request-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
}
.request-info { flex: 1; }
.request-name { font-weight: 500; font-size: 13px; }
.request-email { font-size: 11px; color: var(--text-secondary); }
.request-actions { display: flex; gap: 8px; }
.approve-request, .reject-request {
    padding: 6px 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
}
.approve-request {
    background: var(--accent-color);
    color: white;
}
.approve-request:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}
.reject-request {
    background: #dc2626;
    color: white;
}
.reject-request:hover {
    background: #b91c1c;
    transform: scale(1.02);
}
.empty-requests, .empty-invites, .loading-small {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Status Badges */
.status-badge.active { background: rgba(25, 195, 125, 0.15); color: #19c37d; }
.status-badge.inactive { background: rgba(220, 38, 38, 0.15); color: #dc2626; }
.pending-requests-badge, .pending-invites-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #dc2626;
    color: white;
    font-size: 10px;
    font-weight: bold;
    min-width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    z-index: 10;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
    animation: badgePulse 1s ease-in-out infinite;
}
@keyframes badgePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Team Main Panel */
.team-panel-body { padding: 20px; }
.team-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}
.team-actions button {
    flex: 1;
    padding: 10px;
    border-radius: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--accent-color);
    color: white;
    border: none;
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--bg-sidebar-hover);
}
.team-groups-list h4, .team-pending-invites h4 {
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}
.team-group-card, .invite-card-panel {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.team-group-card:hover, .invite-card-panel:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}
.team-group-icon, .invite-card-panel .invite-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
.team-group-info, .invite-info { flex: 1; }
.team-group-name, .invite-group-name {
    font-weight: 500;
    font-size: 14px;
}
.team-group-meta, .invite-details {
    font-size: 11px;
    color: var(--text-secondary);
}
.admin-chip {
    background: var(--accent-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
}
.invite-card-panel .invite-actions {
    display: flex;
    gap: 10px;
}
.accept-invite-panel {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.accept-invite-panel:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.decline-invite-panel {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 18px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}
.decline-invite-panel:hover {
    background: rgba(220, 38, 38, 0.1);
    border-color: #dc2626;
    color: #dc2626;
}
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}
.form-group input, .form-group textarea, .code-display {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent-color); }
.code-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 8px 0;
}
.code-display code, .code-display-small code {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 1px;
}
.copy-code-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--accent-color);
    padding: 4px 8px;
}
.email-invite {
    display: flex;
    gap: 8px;
    margin: 8px 0;
}
#joinGroupCode { text-transform: uppercase; font-family: 'Courier New', monospace; }
.invite-section { margin: 16px 0; }
.info-message {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 10px;
    margin: 16px 0;
    text-align: center;
}

/* Admin Actions in Group Info */
.admin-actions-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid var(--border-color);
}
.admin-actions-section h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.admin-action-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}
.admin-action-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.admin-action-card.danger {
    background: rgba(220, 38, 38, 0.05);
    border-color: rgba(220, 38, 38, 0.2);
}
.admin-action-card.danger:hover {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.3);
}
.admin-action-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.admin-action-icon i {
    font-size: 18px;
    color: var(--accent-color);
}
.admin-action-card.danger .admin-action-icon i { color: #dc2626; }
.admin-action-info { flex: 1; }
.admin-action-info h5 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 2px;
}
.admin-action-info p {
    font-size: 11px;
    color: var(--text-secondary);
    margin: 0;
}
.admin-action-btn {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
}
.admin-action-btn.warning { background: #eab308; color: white; }
.admin-action-btn.warning:hover { background: #ca8a04; transform: scale(1.02); }
.admin-action-btn.success { background: var(--accent-color); color: white; }
.admin-action-btn.success:hover { background: var(--accent-hover); transform: scale(1.02); }
.admin-action-btn.danger { background: #dc2626; color: white; }
.admin-action-btn.danger:hover { background: #b91c1c; transform: scale(1.02); }
.email-invite-compact { display: flex; gap: 6px; margin-top: 6px; }
.email-invite-compact input { flex: 1; padding: 6px 10px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-primary); color: var(--text-primary); font-size: 12px; }
.send-invite-mini { padding: 6px 12px; background: var(--accent-color); color: white; border: none; border-radius: 8px; cursor: pointer; font-size: 12px; }
.send-invite-mini:hover { background: var(--accent-hover); }

/* Message Action Modal */
.message-actions-modal {
    position: fixed;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    z-index: 10000;
    min-width: 180px;
    overflow: hidden;
    animation: menuFadeIn 0.15s ease;
}
@keyframes menuFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}
.message-actions-modal .action-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    width: 100%;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.2s;
    text-align: left;
}
.message-actions-modal .action-item:hover { background: var(--bg-sidebar-hover); }
.message-actions-modal .action-item.danger { color: #dc2626; }
.message-actions-modal .action-item.danger:hover { background: rgba(220, 38, 38, 0.1); }
.message-actions-modal hr { margin: 4px 0; border-color: var(--border-color); }

/* Edit Message Modal */
.edit-message-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    z-index: 1002;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.2s ease;
}
.edit-message-modal .modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.edit-message-modal .modal-header h4 { margin: 0; font-size: 16px; }
.edit-message-modal .modal-body { padding: 20px; }
.edit-message-modal textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    margin-bottom: 16px;
}
.edit-message-modal textarea:focus { outline: none; border-color: var(--accent-color); }
.edit-actions { display: flex; gap: 10px; justify-content: flex-end; }
.edit-actions button {
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.edit-actions .cancel-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.edit-actions .save-btn {
    background: var(--accent-color);
    border: none;
    color: white;
}
.edit-actions .save-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 1000;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        width: 280px !important;
        transform: translateX(-100%);
        z-index: 200;
    }
    .sidebar.open { transform: translateX(0) !important; width: 280px !important; }
    .sidebar.closed { transform: translateX(-100%) !important; width: 280px !important; }
    .sidebar.closed .sidebar-header,
    .sidebar.closed .sidebar-content,
    .sidebar.closed .sidebar-footer { display: flex; }
    .sidebar-toggle { display: flex; z-index: 201; }
    .sidebar-toggle-btn { display: none; }
    .main-header { padding-left: 60px; }
    .message-wrapper { max-width: 90%; }
    .suggestions { grid-template-columns: 1fr; }
    .welcome-screen h2 { font-size: 24px; }
    .theme-grid { grid-template-columns: repeat(2, 1fr); }
    .settings-body {
        flex-direction: column;
        height: auto;
        max-height: 80vh;
    }
    .settings-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 8px 12px;
    }
    .settings-nav { flex-direction: row; justify-content: space-around; flex-wrap: wrap; }
    .settings-nav-item { justify-content: center; padding: 10px 12px; }
    .settings-nav-item.active {
        border-right: none;
        border-bottom: 3px solid var(--accent-color);
    }
    .settings-content { padding: 20px; }
    .danger-card { flex-wrap: wrap; }
    .danger-btn { width: 100%; justify-content: center; }
    .sidebar-setting { flex-direction: column; }
    .history-group-title { padding: 8px 12px 4px; font-size: 10px; }
    .history-group-title i { font-size: 9px; }
    .history-title-text { max-width: 180px; }
    .history-item[data-tooltip]::before {
        white-space: normal;
        word-wrap: break-word;
        max-width: 260px;
        text-align: center;
        font-size: 12px;
        padding: 8px 12px;
    }
    .question-navigator { right: 10px; width: 200px; }
    .question-navigator.collapsed { width: 42px; }
    .navigator-header { padding: 10px 12px; }
    .navigator-item { padding: 8px 12px; }
    .scroll-progress { right: 4px; display: none; }
    .question-navigator,
    .question-navigator .scroll-progress { display: none; }
    .group-message-content { max-width: 85%; }
    .team-actions { flex-direction: column; }
    .code-display code { font-size: 12px; }
    .invite-card-panel { flex-direction: column; text-align: center; }
    .invite-card-panel .invite-actions { width: 100%; justify-content: center; margin-top: 8px; }
    .invite-card-panel .accept-invite-panel,
    .invite-card-panel .decline-invite-panel { flex: 1; justify-content: center; }
    .group-members-panel { width: 100%; right: -100%; }
    .group-message-content { max-width: 85%; }
    .modo-btn span { display: none; }
    .modo-btn { padding: 8px 12px; }
    .modo-btn i { margin: 0; }
}
@media (max-width: 480px) {
    .messages { padding: 16px 12px; }
    .message-content { font-size: 14px; padding: 10px 14px; }
    .input-area { padding: 12px 16px 20px; }
    .input-container { padding: 6px 12px; }
    .welcome-screen { padding: 40px 20px; }
    .modal-content { width: 95%; }
    .attachment-image img { max-height: 200px; }
    .attachment-caption { font-size: 10px; padding: 6px 10px; }
    .attachment-file { padding: 6px 10px; font-size: 12px; }
}
/* To Do Button no Group Header */
.group-todo-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
}

.group-todo-btn:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}

/* Badge para o To Do no header do grupo */
.group-todo-btn.has-items {
    color: var(--accent-color);
    position: relative;
}

.group-todo-btn.has-items::after {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    background: #dc2626;
    border-radius: 50%;
}
/* Badge de Notificações no header do grupo */
.group-notification-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    position: relative;
}

.group-notification-btn:hover {
    background: var(--bg-secondary);
    color: var(--accent-color);
}

.notification-badge-group {
    position: absolute;
    top: 0;
    right: 0;
    background: #dc2626;
    color: white;
    font-size: 10px;
    font-weight: bold;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.group-notification-btn.has-notification {
    color: var(--accent-color);
}
/* ============================================ */
/* MODAL LARGE - PARA A ABA SOBRE */
/* ============================================ */
.modal-large {
    max-width: 800px !important;
    width: 90% !important;
}

/* ============================================ */
/* ABA SOBRE */
/* ============================================ */
.about-container {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 8px 0;
}

.about-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.about-section:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.about-section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    flex-wrap: wrap;
}

.about-section-header i {
    font-size: 20px;
    color: var(--accent-color);
}

.about-section-header span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Current Version Card */
.current-version-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(var(--accent-rgb), 0.2);
}

.version-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.version-number {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.version-type {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.version-type.major { background: #dc2626; color: white; }
.version-type.minor { background: #eab308; color: white; }
.version-type.patch { background: #19c37d; color: white; }
.version-type.beta { background: #8b5cf6; color: white; }

.version-date {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.version-date i {
    margin-right: 6px;
    color: var(--accent-color);
}

.version-description p {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

/* Version Selector */
.version-selector-btn {
    margin-left: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-primary);
    transition: all 0.2s;
}

.version-selector-btn:hover {
    background: var(--bg-sidebar-hover);
    border-color: var(--accent-color);
}

.version-selector-btn i {
    font-size: 12px;
    transition: transform 0.2s;
}

.version-selector-dropdown {
    margin-top: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dropdown-list {
    max-height: 200px;
    overflow-y: auto;
}

.version-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.version-option:last-child {
    border-bottom: none;
}

.version-option:hover {
    background: var(--bg-sidebar-hover);
}

.version-option.active {
    background: rgba(var(--accent-rgb), 0.1);
    color: var(--accent-color);
}

.version-option .version-name {
    font-weight: 600;
    font-size: 14px;
}

.version-option .version-date-small {
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: 8px;
}

/* Improvements List */
.improvements-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.improvement-item {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 16px;
    border-left: 4px solid;
    transition: all 0.2s;
}

.improvement-item.nova { border-left-color: #19c37d; }
.improvement-item.melhoria { border-left-color: #eab308; }
.improvement-item.correcao { border-left-color: #dc2626; }
.improvement-item.seguranca { border-left-color: #8b5cf6; }
.improvement-item.desempenho { border-left-color: #3b82f6; }

.improvement-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.improvement-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.improvement-category.nova { background: rgba(25, 195, 125, 0.15); color: #19c37d; }
.improvement-category.melhoria { background: rgba(234, 179, 8, 0.15); color: #eab308; }
.improvement-category.correcao { background: rgba(220, 38, 38, 0.15); color: #dc2626; }
.improvement-category.seguranca { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.improvement-category.desempenho { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }

.improvement-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
}

.improvement-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 8px;
}

.improvement-details {
    margin-top: 12px;
    padding-top: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    border-top: 1px dashed var(--border-color);
}

/* Future Improvements Grid */
.future-improvements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.future-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.future-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.future-priority {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 12px;
}

.future-priority.alta { background: rgba(220, 38, 38, 0.15); color: #dc2626; }
.future-priority.media { background: rgba(234, 179, 8, 0.15); color: #eab308; }
.future-priority.baixa { background: rgba(25, 195, 125, 0.15); color: #19c37d; }

.future-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 8px;
}

.future-status.planejado { background: rgba(108, 108, 112, 0.15); color: #6c6c70; }
.future-status.em_andamento { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.future-status.em_analise { background: rgba(234, 179, 8, 0.15); color: #eab308; }

.future-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.future-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 12px;
}

.future-previsao {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
}

.future-previsao i {
    color: var(--accent-color);
}

/* System Info Grid */
.system-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.info-item i {
    font-size: 20px;
    color: var(--accent-color);
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Loading States */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state-about {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state-about i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .future-improvements-grid {
        grid-template-columns: 1fr;
    }
    
    .system-info-grid {
        grid-template-columns: 1fr;
    }
    
    .version-selector-btn {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
        justify-content: center;
    }
    
    .about-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}