:root {
    --bg-dark: #0f172a;
    --sidebar-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --chat-bubble-user: #334155;
    --chat-bubble-ai: transparent;
    --border-color: #334155;
    --input-bg: rgba(255, 255, 255, 0.05);
    --sidebar-bg-glass: rgba(30, 41, 59, 0.85);
    --input-glass: rgba(30, 41, 59, 0.75);
}

[data-theme="solarized"] {
    --bg-dark: #fdf6e3;
    --sidebar-bg: #eee8d5;
    --text-main: #657b83;
    --text-muted: #93a1a1;
    --accent: #268bd2;
    --chat-bubble-user: #e9e2cb;
    --chat-bubble-ai: transparent;
    --border-color: #d5ccb7;
    --input-bg: rgba(0, 0, 0, 0.04);
    --sidebar-bg-glass: rgba(238, 232, 213, 0.85);
    --input-glass: rgba(238, 232, 213, 0.75);
}

[data-theme="white"] {
    --bg-dark: #ffffff;
    --sidebar-bg: #f5f5f7;
    --text-main: #1d1d1f;
    --text-muted: #86868b;
    --accent: #0066cc;
    --chat-bubble-user: #f0f0f0;
    --chat-bubble-ai: transparent;
    --border-color: #d2d2d7;
    --input-bg: rgba(0, 0, 0, 0.03);
    --sidebar-bg-glass: rgba(245, 245, 247, 0.85);
    --input-glass: rgba(245, 245, 247, 0.75);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(128, 128, 128, 0.15);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(128, 128, 128, 0.25);
}

/* Common Themed Utilities */
.bg-themed {
    background-color: var(--input-bg) !important;
}

.text-themed {
    color: var(--text-main) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.border-themed {
    border-color: var(--border-color) !important;
}

/* Theme-aware Dropdowns */
.dropdown-menu {
    background-color: var(--sidebar-bg) !important;
    border-color: var(--border-color) !important;
}
.dropdown-menu .dropdown-item {
    color: var(--text-main) !important;
}
.dropdown-menu .dropdown-item:hover {
    background-color: var(--input-bg) !important;
    color: var(--text-main) !important;
}
.dropdown-menu .dropdown-divider {
    border-top-color: var(--border-color) !important;
}
.dropdown-menu .dropdown-header {
    color: var(--text-muted) !important;
}

/* Theme-aware Modals & List Groups */
.modal-content-themed {
    background-color: var(--sidebar-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
.modal-content-themed .modal-header {
    border-bottom-color: var(--border-color) !important;
}
.modal-content-themed .modal-footer {
    border-top-color: var(--border-color) !important;
}

.list-group-item-themed {
    background-color: transparent !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}
.list-group-item-themed:hover {
    background-color: var(--input-bg) !important;
    color: var(--text-main) !important;
}


/* Layout */
#app-layout {
    height: 100vh;
}

#sidebar {
    width: 280px;
    height: 100vh;
    background-color: var(--sidebar-bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    transition: opacity 0.3s;
}

@media (max-width: 768px) {
    #sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
    }

    #sidebar.show {
        transform: translateX(0);
    }

    .sidebar-backdrop.show {
        display: block;
        opacity: 1;
    }

    #main-content {
        width: 100%;
    }
}

#sidebar .new-chat-btn {
    border-radius: 24px;
    padding: 12px 24px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-weight: 500;
    text-align: left;
    transition: all 0.2s;
}

#sidebar .new-chat-btn:hover {
    background-color: var(--border-color);
    color: var(--text-main);
}

#sidebar .history-list {
    overflow-y: auto;
    padding: 0 12px;
}

#sidebar .section-header {
    padding: 20px 16px 8px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

#sidebar .history-item {
    padding: 10px 16px;
    border-radius: 12px;
    margin-bottom: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    position: relative;
    transition: background-color 0.2s;
}

.sidebar-chat-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-dots {
    transition: all 0.2s ease-in-out;
    width: 44px; /* 3-4 chars wide as requested */
    height: 32px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
    margin-left: 12px;
    padding-left: 8px;
    border-left: 1px solid rgba(128, 128, 128, 0.2);
    color: #a855f7 !important; /* Distinct bright violet */
    opacity: 0.4;
}

#sidebar .history-item:hover .sidebar-dots {
    opacity: 1;
}

.sidebar-dots:hover {
    color: #a855f7 !important;
    background-color: rgba(168, 85, 247, 0.15);
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

.sidebar-chat-title {
    flex: 1;
    min-width: 0;
    padding-right: 4px;
}

#sidebar .history-item {
    padding: 10px 14px;
    margin: 2px 8px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

#sidebar .history-item:hover {
    background-color: rgba(128, 128, 128, 0.1);
    border-color: rgba(128, 128, 128, 0.05);
}

/* Main Content */
#main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

#chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 60px 1% 20px 1%;
    width: 100%;
    min-height: 0;
}

.message {
    margin-bottom: 32px;
    display: flex;
    gap: 20px;
    animation: fadeIn 0.4s ease-out;
}

.message.user {
    flex-direction: row-reverse;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message .avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(45deg, #4285f4, #9b72cb);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.message.user .avatar {
    background: linear-gradient(45deg, #d96570, #f28b82);
}

.message-body {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 95%;
    width: 100%;
}

.message.user .message-body {
    align-items: flex-end;
}

.message-content {
    line-height: 1.6;
    font-size: 1.05rem;
}

.message.user .message-content {
    background: var(--chat-bubble-user);
    padding: 16px 24px;
    border-radius: 20px 20px 0 20px;
}

.message.ai .message-content {
    background: var(--input-bg);
    padding: 16px 24px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.message-timestamp {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Input */
#input-wrapper {
    width: 100%;
    padding: 10px 2% 25px 2%;
    text-align: center;
    background: linear-gradient(to top, var(--bg-dark) 80%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

#input-container {
    width: 100%;
    max-width: 1200px;
    background: var(--input-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin: 0 auto;
    border-radius: 28px;
    padding: 8px 18px;
    display: flex;
    align-items: flex-end;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: border-color 0.3s, box-shadow 0.3s;
}

#input-container:focus-within {
    border-color: var(--accent);
    box-shadow: 0 8px 32px rgba(26, 115, 232, 0.15);
}

#chat-input {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 12px;
    width: 100%;
    resize: none;
    outline: none;
    font-size: 1.1rem;
    max-height: 200px;
    overflow-y: auto;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
}

.action-btn:hover {
    background: rgba(128, 128, 128, 0.1);
    color: var(--accent);
    transform: scale(1.1);
}

.action-btn.text-danger:hover {
    color: #ff4d4f !important;
    background: rgba(255, 77, 79, 0.1);
}

/* ─── Settings Modal ────────────────────────── */
.settings-modal {
    background-color: var(--sidebar-bg) !important;
    color: var(--text-main) !important;
    border-radius: 20px;
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color) !important;
}

.settings-body {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
}

/* Nav sidebar */
.settings-nav {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.02);
    background-color: var(--input-bg);
    min-width: 200px;
    width: 260px;
    /* Default sidebar width */
    flex-shrink: 0;
}

.settings-nav .nav-link {
    color: var(--text-main);
    border-radius: 10px;
    margin-bottom: 5px;
    padding: 10px 15px;
    transition: all 0.2s;
    text-align: left;
    cursor: pointer;
}

.settings-nav .nav-link:hover {
    background: rgba(128, 128, 128, 0.1);
    color: var(--text-main);
}

.settings-nav .nav-link.active {
    background-color: var(--accent) !important;
    color: #fff !important;
}

.settings-nav .nav-link i {
    width: 18px;
    text-align: center;
    opacity: 0.7;
}

.settings-nav .nav-link.active i {
    opacity: 1;
}

/* Tab content */
.settings-content {
    overflow-y: auto;
    height: 100%;
}

/* Prevent Bootstrap tab-content flex from stretching panes */
.settings-content.tab-content {
    display: block;
}

.settings-heading {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 2px;
}

/* ─── Responsive Settings ────────────────── */
@media (max-width: 768px) {
    .settings-body {
        flex-direction: column;
        overflow-y: auto;
    }

    .settings-nav {
        flex-direction: row !important;
        width: 100% !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        overflow-x: auto;
        white-space: nowrap;
        padding: 8px !important;
        gap: 5px;
    }

    .settings-nav .nav-section-label {
        display: none;
        /* Hide labels to save space on mobile */
    }

    .settings-nav .nav-link {
        width: auto !important;
        padding: 6px 12px !important;
        font-size: 0.8rem !important;
    }

    .settings-content {
        padding: 20px !important;
    }

    .settings-modal {
        max-height: 100vh;
        border-radius: 0;
    }
}

/* --- Persona UI --- */
.anim-pulse {
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.persona-item {
    transition: all 0.2s ease;
    cursor: default;
}

.persona-item:hover {
    border-color: var(--primary-color) !important;
    background: rgba(var(--primary-rgb), 0.05);
}

.transform-scale-75 {
    transform: scale(0.75);
}

.origin-left {
    transform-origin: left;
}

.persona-selector-wrapper .dropdown-toggle {
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.persona-selector-wrapper .dropdown-toggle:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15);
}

.persona-select-item {
    border-radius: 8px;
    margin: 2px 8px;
    transition: background 0.2s;
}

.persona-select-item:hover {
    background: var(--primary-color) !important;
    color: #fff !important;
}

#persona-editor-card {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hover-opacity-100:hover {
    opacity: 1 !important;
}

#input-container .dropdown .btn-link:hover {
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 8px;
}

/* Cleanup for active-models-container after persona moved */
.active-models-container {
    min-height: 40px;
}

.settings-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

/* Reusable settings row */
.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
}

/* Avatar circle */
.settings-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4285f4, #9b72cb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* Form inputs inside modal */
.settings-modal .form-control,
.settings-modal .form-select {
    background-color: var(--input-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

.settings-modal .form-control:focus,
.settings-modal .form-select:focus {
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
    border-color: var(--accent) !important;
}

/* ─── Theme Cards ─────────────────────────── */
.theme-selector-modal {
    align-items: flex-start;
}

.theme-card {
    flex: 1 1 0;
    max-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 10px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--input-bg);
}

.theme-card .theme-preview {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.theme-card span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.theme-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.theme-card.active {
    border-color: var(--accent);
    background: rgba(26, 115, 232, 0.08);
}

.theme-card.active span {
    color: var(--accent);
    font-weight: 600;
}

/* ─── Model Cards ─────────────────────────── */
.model-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--input-bg);
}

.model-badge {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Custom Toggle Switch */
.settings-modal .form-switch .form-check-input {
    width: 2.5em;
    height: 1.25em;
    cursor: pointer;
    border-color: var(--border-color);
}

.settings-modal .form-switch .form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

/* Theme overrides for close button */
[data-theme="white"] .settings-modal .btn-close {
    filter: none;
}

[data-theme="dark"] .settings-modal .btn-close {
    filter: invert(1);
}

[data-theme="solarized"] .settings-modal .btn-close {
    filter: sepia(1) brightness(0.5);
}

/* ─── User Profile Dropdown ──────────────── */
.profile-btn {
    border: 1px solid transparent;
    border-radius: 30px;
    padding-left: 12px !important;
    transition: all 0.2s;
}

.profile-btn:hover {
    background: rgba(128, 128, 128, 0.1);
    border-color: var(--border-color);
}

.avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4285f4, #9b72cb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

/* ─── Kanban Multi-Model UI ──────────────── */
.kanban-container {
    width: 100%;
}

.kanban-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    transition: transform 0.2s, box-shadow 0.2s;
}

.kanban-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.master-evaluation-card {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.kanban-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.9rem;
    background: rgba(128, 128, 128, 0.05);
}

.kanban-bg-primary {
    background-color: rgba(26, 115, 232, 0.05) !important;
}

.kanban-bg-success {
    background-color: rgba(25, 135, 84, 0.05) !important;
}

.kanban-bg-info {
    background-color: rgba(13, 202, 240, 0.05) !important;
}

.kanban-body {
    padding: 16px;
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
}

.multi-model-response .avatar {
    background: linear-gradient(135deg, #2b32b2, #1488cc);
    /* AI Master Avatar */
}

.skeleton-line {
    height: 12px;
    background: var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    opacity: 0.3;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        opacity: 0.3;
    }
}

/* ─── Markdown & Code Styling ──────────────── */
pre[class*="language-"] {
    border-radius: 0 0 12px 12px !important;
    background: #212529 !important;
    border: none !important;
    box-shadow: none !important;
    overflow-x: auto;
}

code[class*="language-"] {
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace !important;
    font-size: 0.87rem !important;
    line-height: 1.7 !important;
    background: transparent !important;
    text-shadow: none !important;
}

/* Inline code */
.markdown-body code:not([class*="language-"]),
.message-content code:not([class*="language-"]) {
    background: rgba(99, 102, 241, 0.12);
    color: #a78bfa;
    border: 1px solid rgba(99, 102, 241, 0.22);
    border-radius: 5px;
    padding: 2px 7px;
    font-family: 'Fira Code', monospace;
    font-size: 0.86em;
}

/* ─── Typing Cursor ────────────────────────── */
.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* ─── Folders & Search ──────────────────────── */
.folder-header:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

.hover-bg-subtle:hover {
    background-color: rgba(128, 128, 128, 0.05);
}

.folder-items .history-item {
    font-size: 0.9rem;
    padding: 8px 12px;
}

#history-search:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.25rem rgba(26, 115, 232, 0.1);
    outline: none;
}

.search-wrapper i {
    z-index: 5;
}

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

/* ─── Premium Modal Styling ─────────────────── */

/* Shared modal base */
.modal-content {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid rgba(128, 128, 128, 0.1);
}

.modal-header {
    border-bottom-color: rgba(128, 128, 128, 0.12) !important;
}

/* Chat Actions Modal */
#chatActionsModal .modal-content {
    background: linear-gradient(165deg, var(--bg-main) 0%, var(--bg-dark) 100%);
    border: 1px solid rgba(100, 120, 220, 0.15);
    overflow: hidden;
}

#chatActionsModal .modal-header {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.12), rgba(217, 101, 112, 0.08));
    border-bottom: 1px solid rgba(66, 133, 244, 0.1) !important;
}

#chatActionsModal .modal-title {
    background: linear-gradient(to right, #4285f4, #d96570);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#chatActionsModal .list-group-item {
    background: transparent;
    color: var(--text-main);
    border-color: rgba(128, 128, 128, 0.08);
    transition: all 0.2s ease;
    cursor: pointer;
}

#chatActionsModal .list-group-item:hover {
    background: linear-gradient(90deg, rgba(66, 133, 244, 0.08), rgba(66, 133, 244, 0.02));
    padding-left: 1.75rem;
}

#chatActionsModal .list-group-item.text-danger:hover {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.02));
}

#chatActionsModal .section-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.7;
}

/* All History Modal */
#allHistoryModal .modal-content {
    background: linear-gradient(165deg, var(--bg-main) 0%, var(--bg-dark) 100%);
    border: 1px solid rgba(100, 120, 220, 0.12);
}

#allHistoryModal .modal-header {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(217, 101, 112, 0.06));
    border-bottom: 1px solid rgba(66, 133, 244, 0.1) !important;
}

#allHistoryModal .modal-title {
    background: linear-gradient(to right, #4285f4, #d96570);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#allHistoryModal .card {
    background: rgba(128, 128, 128, 0.04);
    border: 1px solid rgba(128, 128, 128, 0.1) !important;
    transition: all 0.2s ease;
}

#allHistoryModal .card:hover {
    background: rgba(66, 133, 244, 0.06);
    border-color: rgba(66, 133, 244, 0.2) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

#allHistoryModal .card a.text-body {
    color: var(--text-main) !important;
}

.history-dots {
    transition: all 0.2s ease-in-out;
    width: 44px;
    height: 32px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    flex-shrink: 0;
    margin-left: 12px;
    padding-left: 8px;
    border-left: 1px solid rgba(128, 128, 128, 0.2);
    color: #a855f7 !important; /* Distinct bright violet */
    opacity: 0.4;
}

#allHistoryModal .card:hover .history-dots {
    opacity: 1;
}

.history-dots:hover {
    color: #a855f7 !important;
    background-color: rgba(168, 85, 247, 0.15);
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

/* Settings Modal */
#settingsModal .modal-content {
    background: linear-gradient(165deg, var(--bg-main) 0%, var(--bg-dark) 100%);
    border: 1px solid rgba(100, 120, 220, 0.12);
}

#settingsModal .modal-header {
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(217, 101, 112, 0.06));
    border-bottom: 1px solid rgba(66, 133, 244, 0.1) !important;
}

/* Gradient pill buttons for modals */
.btn-gradient-primary {
    background: linear-gradient(135deg, #4285f4, #6366f1);
    border: none;
    color: #fff;
    transition: all 0.25s ease;
}

.btn-gradient-primary:hover {
    background: linear-gradient(135deg, #3b78e7, #5558e6);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

/* ─── File Upload Zone ──────────────────────── */
.file-upload-zone {
    border: 2px dashed transparent;
    border-radius: 16px;
    transition: all 0.25s ease;
}

.file-upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.04);
    box-shadow: 0 0 0 5px rgba(99, 102, 241, 0.07);
}

/* ─── File Chip Area ──────────────────────── */
#file-preview-area {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px 18px 0;
    margin-bottom: 6px;
}
/* ─── Sidebar Accordion Styling ──────────────── */
.accordion-button {
    padding: 0.75rem 1rem;
    font-size: 0.7rem !important;
    transition: all 0.2s;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(128, 128, 128, 0.05) !important;
    color: var(--text-main) !important;
    box-shadow: none !important;
}

.accordion-button:focus {
    box-shadow: none !important;
    border-color: transparent !important;
}

.accordion-button::after {
    width: 1rem;
    height: 1rem;
    background-size: 1rem;
    filter: brightness(0.7) invert(0.5);
    transition: transform 0.2s ease-in-out;
}

.accordion-item {
    border: none !important;
}

.accordion-body {
    padding-bottom: 0.5rem !important;
}