/* ==========================================================================
   AmaThinking Mockup Theme
   Based on AmaThinkingMockup/static/css: gradient accents, system font,
   blue #4a90e2 + purple #7c3aed, same variable structure as amathinking.css
   ========================================================================== */

/* ==========================================================================
   1. CSS VARIABLE SYSTEM
   ========================================================================== */

/* --- LIGHT THEME (Mockup light: #4a90e2, #805ad5, system UI) --- */
:root {
    /* Brand colors - Mockup style (blue + purple) */
    --amathinking-primary: #4a90e2;
    --amathinking-primary-hover: #3a7bc8;
    --amathinking-secondary: #805ad5;
    --amathinking-secondary-hover: #6d4cb8;
    --amathinking-highlight: #d69e2e;
    --amathinking-dark: #0a0e13;
    --amathinking-gray: #718096;
    --amathinking-gray-light: #e2e8f0;

    /* Backgrounds - Mockup */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;

    /* Text */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;

    /* Borders & Shadows */
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Buttons */
    --btn-success: #2d6a4f;
    --btn-success-hover: #1b4332;
    --btn-danger: #c53030;
    --btn-danger-hover: #9b2c2c;
    --btn-warning: #d69e2e;
    --btn-warning-hover: #b7791f;
    --btn-info: var(--amathinking-secondary);
    --btn-info-hover: var(--amathinking-secondary-hover);
    --btn-primary: #4a90e2;
    --btn-primary-hover: #3a7bc8;

    /* Tables */
    --table-bg: var(--bg-primary);
    --table-bg-accent: #f8fafc;
    --table-bg-hover: #edf2f7;
    --table-border: var(--border-color);
    --table-header-bg: #e2e8f0;
    --table-header-text: var(--text-primary);

    /* Navbar */
    --navbar-bg: #0C1922;
    --navbar-brand: #4a90e2;
    --navbar-text: #ffffff;
    --navbar-text-hover: #4a90e2;

    /* Cards */
    --card-bg: var(--bg-primary);
    --card-border: var(--border-color);
    --card-header-bg: var(--amathinking-gray-light);
    --card-header-text: var(--amathinking-dark);

    /* Tabs */
    --tab-bg: var(--bg-secondary);
    --tab-bg-hover: var(--bg-tertiary);
    --tab-bg-active: var(--bg-primary);
    --tab-text: var(--text-secondary);
    --tab-text-hover: var(--text-primary);
    --tab-text-active: var(--text-primary);
    --tab-border: var(--border-color);

    /* Inputs */
    --input-bg: var(--bg-primary);
    --input-border: var(--border-color);
    --input-text: var(--text-primary);
    --input-placeholder: var(--text-muted);
    --input-bg-focus: var(--bg-primary);
    --input-border-focus: var(--amathinking-primary);
    --input-text-focus: var(--text-primary);

    /* Dropdowns */
    --dropdown-bg: var(--bg-primary);
    --dropdown-border: var(--border-color);
    --dropdown-item-hover-bg: var(--bg-secondary);

    /* Breadcrumb */
    --breadcrumb-bg: var(--bg-secondary);
    --breadcrumb-border: var(--border-color);
    --breadcrumb-text: var(--text-primary);

    /* Login - Mockup gradient */
    --login-bg-start: #0a0e13;
    --login-bg-end: #0C1922;

    /* Outline buttons */
    --btn-outline-secondary-color: #4a5568;
    --btn-outline-secondary-hover-bg: #4a5568;
    --btn-outline-secondary-hover-text: #FFF;

    /* Modal */
    --modal-bg: var(--bg-primary);
    --modal-border: var(--border-color);
    --modal-header-bg: var(--bg-secondary);
}

/* --- DARK THEME (Mockup dark: #0a0e13, #0C1922, #1a2332, accent #4a90e2) --- */
body.dark-theme {
    --amathinking-primary: #4a90e2;
    --amathinking-primary-hover: #5ba3f5;
    --amathinking-secondary: #7c3aed;
    --amathinking-secondary-hover: #8b5cf6;
    --amathinking-highlight: #fbbf24;
    --amathinking-dark: #0a0e13;
    --amathinking-gray: #b8c5d1;

    --bg-primary: #0a0e13;
    --bg-secondary: #0C1922;
    --bg-tertiary: #1a2332;

    --text-primary: #ffffff;
    --text-secondary: #b8c5d1;
    --text-muted: #7a8b99;

    --border-color: #2d3748;
    --shadow-color: rgba(0, 0, 0, 0.3);

    --btn-success: #2d6a4f;
    --btn-success-hover: #1b4332;
    --btn-danger: #c53030;
    --btn-danger-hover: #9b2c2c;
    --btn-warning: #d69e2e;
    --btn-warning-hover: #b7791f;
    --btn-info: var(--amathinking-secondary);
    --btn-info-hover: var(--amathinking-secondary-hover);
    --btn-primary: #4a90e2;
    --btn-primary-hover: #3a7bc8;

    --table-bg: var(--bg-secondary);
    --table-bg-accent: var(--bg-tertiary);
    --table-bg-hover: #1a2332;
    --table-border: var(--border-color);
    --table-header-bg: var(--bg-tertiary);
    --table-header-text: var(--text-primary);

    --navbar-bg: #0a0e13;
    --navbar-brand: #4a90e2;
    --navbar-text: var(--text-primary);
    --navbar-text-hover: #4a90e2;

    --card-bg: var(--bg-secondary);
    --card-border: var(--border-color);
    --card-header-bg: var(--amathinking-primary);
    --card-header-text: #0a0e13;

    --tab-bg: #1a2332;
    --tab-bg-hover: #2d3748;
    --tab-bg-active: #0C1922;
    --tab-text: #b8c5d1;
    --tab-text-hover: #e2e8f0;
    --tab-text-active: var(--amathinking-primary);
    --tab-border: #2d3748;

    --input-bg: #1a2332;
    --input-border: #2d3748;
    --input-text: #e2e8f0;
    --input-placeholder: #7a8b99;
    --input-bg-focus: #1a2332;
    --input-border-focus: var(--amathinking-primary);
    --input-text-focus: #e2e8f0;

    --dropdown-bg: #1a2332;
    --dropdown-border: #2d3748;
    --dropdown-item-hover-bg: #2d3748;

    --breadcrumb-bg: var(--bg-secondary);
    --breadcrumb-border: var(--border-color);
    --breadcrumb-text: var(--text-primary);

    --login-bg-start: #0a0e13;
    --login-bg-end: #0C1922;

    --btn-outline-secondary-color: #b8c5d1;
    --btn-outline-secondary-hover-bg: #b8c5d1;
    --btn-outline-secondary-hover-text: #0a0e13;

    --modal-bg: var(--bg-secondary);
    --modal-border: var(--border-color);
    --modal-header-bg: var(--bg-tertiary);
}

/* ==========================================================================
   2. BASE STYLES (Mockup: system font stack, line-height 1.6)
   ========================================================================== */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    font-size: 0.9rem;
    line-height: 1.6;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color .3s, color .3s;
}

a {
    color: var(--amathinking-primary);
    text-decoration: none;
}

a:hover {
    color: var(--amathinking-primary-hover);
    text-decoration: underline;
}

/* ==========================================================================
   3. NAVBAR (Mockup: max-width 1200px, centered like content)
   ========================================================================== */
.amathinking-navbar {
    background: var(--navbar-bg) !important;
    padding: 0.3rem 1rem;
    z-index: 1030;
    transition: background-color .3s;
    border-bottom: 1px solid rgba(74, 144, 226, 0.25);
    max-width: 1200px;
    width: 100%;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    border-radius: 0 0 12px 12px;
}

.amathinking-navbar-brand-img {
    max-height: 32px;
}

.amathinking-menu-icon {
    font-size: 1.5rem;
    color: #fff;
}

.amathinking-user-image {
    width: 32px;
    height: 32px;
    margin-left: 8px;
}

.navbar-nav .nav-link {
    color: var(--navbar-text) !important;
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    transition: color .2s;
}

.navbar-nav .nav-link:hover {
    color: var(--navbar-text-hover) !important;
}

.navbar-nav .dropdown-menu {
    font-size: 0.85rem;
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    box-shadow: 0 .5rem 1rem var(--shadow-color);
    border-radius: 12px;
}

.navbar-nav .dropdown-item {
    color: var(--text-primary);
}

.navbar-nav .dropdown-item:hover {
    background: var(--dropdown-item-hover-bg);
    color: var(--text-primary);
}

/* ==========================================================================
   4. THEME TOGGLE BUTTON
   ========================================================================== */
.theme-toggle {
    background: none;
    border: 2px solid var(--amathinking-primary);
    color: var(--amathinking-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .3s;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0;
}

.theme-toggle:hover {
    background: var(--amathinking-primary);
    color: #000;
    transform: rotate(180deg);
}

.theme-toggle .ri-sun-line {
    display: none;
}

.theme-toggle .ri-moon-line {
    display: inline-block;
}

body.dark-theme .theme-toggle .ri-sun-line {
    display: inline-block;
}

body.dark-theme .theme-toggle .ri-moon-line {
    display: none;
}

@media (max-width: 767px) {
    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .theme-toggle i {
        font-size: 14px;
    }
}

/* ==========================================================================
   5. BREADCRUMB
   ========================================================================== */
.amathinking-breadcrumb {
    margin-top: 56px;
    margin-left: auto;
    margin-right: auto;
    max-width: 1200px;
    padding: 0.5rem 1rem;
    background: var(--breadcrumb-bg);
    border-bottom: 1px solid var(--breadcrumb-border);
    border-radius: 0 0 12px 12px;
    transition: background-color .3s, border-color .3s;
}

.amathinking-breadcrumb .breadcrumb {
    margin-bottom: 0;
    font-size: 0.85rem;
    background: transparent;
    color: var(--breadcrumb-text);
}

.amathinking-breadcrumb .breadcrumb-item,
.amathinking-breadcrumb .breadcrumb-item.active {
    color: var(--breadcrumb-text) !important;
}

body.dark-theme .amathinking-breadcrumb .breadcrumb-item,
body.dark-theme .amathinking-breadcrumb .breadcrumb-item.active {
    color: #e8e8e8 !important;
}

.amathinking-app-icon {
    height: 1.4rem;
    width: auto;
    vertical-align: middle;
    object-fit: contain;
    display: inline-block;
}

/* ==========================================================================
   6. MAIN CONTENT (Mockup: max-width 1200px, centered)
   ========================================================================== */
.amathinking-main-content {
    margin-top: 10px;
    padding: 0 1rem;
    min-height: calc(100vh - 180px);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.amathinking-footer-spacer {
    height: 60px;
}

/* ==========================================================================
   7. CARDS (Mockup: rounder corners)
   ========================================================================== */
.card {
    background: var(--card-bg);
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
    margin-bottom: 1rem;
    transition: background-color .3s, border-color .3s;
    border-radius: 12px;
    overflow: hidden;
}

body.dark-theme .card,
body.dark-theme .card .card-body {
    background-color: var(--card-bg) !important;
    color: var(--text-primary);
}

.list-group-item:first-child {
    border-radius: 12px 12px 0 0;
}
.list-group-item:last-child {
    border-radius: 0 0 12px 12px;
}
.list-group-item:only-child {
    border-radius: 12px;
}

body.dark-theme .list-group,
body.dark-theme .list-group-item {
    background-color: var(--bg-secondary) !important;
    border-color: var(--card-border) !important;
    color: var(--text-primary) !important;
}

body.dark-theme .list-group-item .text-muted {
    color: var(--text-secondary) !important;
}

body.dark-theme .list-group-item strong {
    color: var(--text-primary);
}

.card-header {
    background: var(--card-header-bg);
    color: var(--card-header-text);
    border-bottom-color: var(--card-border);
    font-weight: 600;
    border-radius: 12px 12px 0 0;
}

body.dark-theme .card-header .text-primary {
    color: var(--card-header-text) !important;
}

.card-footer {
    background: var(--bg-secondary);
    border-top-color: var(--card-border);
}

/* ==========================================================================
   8. TABLES
   ========================================================================== */
.table {
    background: var(--table-bg);
    color: var(--text-primary);
    border-color: var(--table-border);
    border-radius: 12px;
    overflow: hidden;
}

.table th {
    background: var(--table-header-bg);
    color: var(--table-header-text);
    border-color: var(--table-border);
    font-weight: 600;
}

.table td {
    background: var(--table-bg);
    color: var(--text-primary);
    border-color: var(--table-border);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--table-bg-accent);
}

.table-hover tbody tr:hover {
    background: var(--table-bg-hover);
    color: var(--text-primary);
}

.amathinking-table-small {
    font-size: 0.82rem;
}

.amathinking-col-80  { width: 80px;  min-width: 80px; }
.amathinking-col-120 { width: 120px; min-width: 120px; }
.amathinking-col-200 { width: 200px; min-width: 200px; }

/* Tables: keep the first column (actions) narrow — add amathinking-table-actions-first to the table */
.table.amathinking-table-actions-first thead th:first-child,
.table.amathinking-table-actions-first tbody td:first-child {
    width: 1%;
    white-space: nowrap;
}

/* Tables: keep the is Enabled column narrow — add amathinking-table-col-enabled to th/td */
.amathinking-table-col-enabled {
    width: 1%;
    white-space: nowrap;
    text-align: center;
}

.amathinking-full-width-table {
    width: 100%;
}

/* DataTables overrides */
.dataTables_wrapper {
    color: var(--text-primary);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    color: var(--text-primary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--amathinking-primary) !important;
    border-color: var(--amathinking-primary) !important;
    color: #000 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    color: var(--text-primary);
}

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 4px 8px;
}

/* ==========================================================================
   9. FORMS
   ========================================================================== */
.form-control {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    transition: background-color .2s, border-color .2s, color .2s;
    border-radius: 8px;
}

.form-control:focus {
    background: var(--input-bg-focus);
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 .2rem rgba(0,212,255,.25);
    color: var(--input-text-focus);
}

.form-control::placeholder {
    color: var(--input-placeholder);
}

.form-control-plaintext {
    color: var(--text-primary);
}

body.dark-theme .form-control-plaintext {
    color: var(--text-primary) !important;
}

.form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
    border-radius: 8px;
}

.form-select:focus {
    background-color: var(--input-bg-focus);
    border-color: var(--input-border-focus);
    color: var(--input-text-focus);
}

/* Mockup: rounder buttons */
.btn {
    border-radius: 8px;
}

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.control-label {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    display: block;
    color: var(--text-primary);
}

.amathinking-readonly-field {
    background-color: var(--bg-tertiary) !important;
    cursor: not-allowed;
}

/* ==========================================================================
   10. BUTTONS
   ========================================================================== */
.btn-primary {
    background: var(--btn-primary) !important;
    border-color: var(--btn-primary) !important;
    color: #fff !important;
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--btn-primary-hover) !important;
    border-color: var(--btn-primary-hover) !important;
}

/* Primary action in list headers (e.g., "+ New") */
.card-header .btn.btn-primary {
    font-weight: 700;
    letter-spacing: 0.2px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
    border-width: 0 !important;
    transform: translateZ(0);
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

body.dark-theme .card-header .btn.btn-primary {
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.card-header .btn.btn-primary:hover,
.card-header .btn.btn-primary:focus {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
    filter: saturate(1.08);
    text-decoration: none;
}

.card-header .btn.btn-primary i {
    font-size: 1.05em;
}

@media (prefers-reduced-motion: reduce) {
    .card-header .btn.btn-primary,
    .card-header .btn.btn-primary:hover,
    .card-header .btn.btn-primary:focus {
        transition: none;
        transform: none;
    }
}

.btn-success {
    background: var(--btn-success) !important;
    border-color: var(--btn-success) !important;
    color: #fff !important;
}

.btn-success:hover, .btn-success:focus {
    background: var(--btn-success-hover) !important;
    border-color: var(--btn-success-hover) !important;
}

.btn-danger {
    background: var(--btn-danger) !important;
    border-color: var(--btn-danger) !important;
    color: #fff !important;
}

.btn-danger:hover, .btn-danger:focus {
    background: var(--btn-danger-hover) !important;
    border-color: var(--btn-danger-hover) !important;
}

.btn-warning {
    background: var(--btn-warning) !important;
    border-color: var(--btn-warning) !important;
    color: var(--amathinking-dark) !important;
}

.btn-warning:hover, .btn-warning:focus {
    background: var(--btn-warning-hover) !important;
    border-color: var(--btn-warning-hover) !important;
}

.btn-info {
    background: var(--btn-info) !important;
    border-color: var(--btn-info) !important;
    color: #fff !important;
}

.btn-info:hover, .btn-info:focus {
    background: var(--btn-info-hover) !important;
    border-color: var(--btn-info-hover) !important;
}

.btn-secondary {
    background: var(--amathinking-gray) !important;
    border-color: var(--amathinking-gray) !important;
    color: #fff !important;
}

.btn-outline-secondary {
    color: var(--btn-outline-secondary-color);
    border-color: var(--btn-outline-secondary-color);
}

.btn-outline-secondary:hover {
    background: var(--btn-outline-secondary-hover-bg);
    color: var(--btn-outline-secondary-hover-text);
}

.btn-outline-primary {
    color: var(--btn-primary);
    border-color: var(--btn-primary);
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: var(--btn-primary);
    border-color: var(--btn-primary);
}

.btn-outline-danger {
    color: var(--btn-danger);
    border-color: var(--btn-danger);
}

.btn-outline-danger:hover {
    color: #fff;
    background-color: var(--btn-danger);
    border-color: var(--btn-danger);
}

.btn-outline-info {
    color: var(--btn-info);
    border-color: var(--btn-info);
}

.btn-outline-info:hover {
    color: #fff;
    background-color: var(--btn-info);
    border-color: var(--btn-info);
}

.btn-xs {
    padding: 0.15rem 0.4rem;
    font-size: 0.75rem;
}

/* ==========================================================================
   11. DROPDOWNS & MODALS
   ========================================================================== */
.dropdown-menu {
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    box-shadow: 0 .5rem 1rem var(--shadow-color);
    border-radius: 12px;
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background: var(--dropdown-item-hover-bg);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top-color: var(--dropdown-border);
}

.modal-content {
    background: var(--modal-bg);
    border-color: var(--modal-border);
    color: var(--text-primary);
    border-radius: 16px;
    overflow: hidden;
}

.modal-header {
    background: var(--modal-header-bg);
    border-bottom-color: var(--modal-border);
    border-radius: 16px 16px 0 0;
}

.modal-footer {
    border-top-color: var(--modal-border);
}

/* ==========================================================================
   12. TABS
   ========================================================================== */
.nav-tabs {
    border-bottom: 2px solid var(--tab-border);
}

.nav-tabs .nav-link {
    border: 1px solid var(--tab-border);
    background: var(--tab-bg);
    color: var(--tab-text);
    padding: .6rem .9rem;
    transition: all .2s;
}

.nav-tabs .nav-link:hover {
    border-color: var(--tab-border);
    background: var(--tab-bg-hover);
    color: var(--tab-text-hover);
}

.nav-tabs .nav-link.active {
    background: var(--tab-bg-active);
    border-color: var(--tab-border) var(--tab-border) var(--tab-bg-active);
    color: var(--tab-text-active);
    font-weight: 600;
}

/* ==========================================================================
   13. PAGINATION
   ========================================================================== */
.page-item .page-link {
    background: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.2s;
}

.page-item .page-link:hover {
    background: var(--bg-secondary);
    border-color: var(--amathinking-primary);
    color: var(--text-primary);
}

.page-item.active .page-link {
    background: var(--amathinking-primary);
    border-color: var(--amathinking-primary);
    color: #000;
    font-weight: 600;
}

.page-item.disabled .page-link {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* ==========================================================================
   14. ALERTS & BADGES
   ========================================================================== */
.alert {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.alert-danger {
    color: #f8d7da;
    background-color: #721c24;
    border-color: #842029;
}

body:not(.dark-theme) .alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-info {
    color: #d1ecf1;
    background-color: #0c5460;
    border-color: #0c5460;
}

body:not(.dark-theme) .alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-success {
    color: #d4edda;
    background-color: #155724;
    border-color: #155724;
}

body:not(.dark-theme) .alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-warning {
    color: #fff3cd;
    background-color: #856404;
    border-color: #856404;
}

body:not(.dark-theme) .alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.badge { font-size: 75%; }

/* ==========================================================================
   15. BACKGROUNDS & TEXT UTILITIES
   ========================================================================== */
.bg-primary {
    background: var(--amathinking-primary) !important;
    color: #000 !important;
}

.bg-secondary {
    background: var(--amathinking-gray) !important;
    color: #fff !important;
}

.bg-dark {
    background: var(--amathinking-dark) !important;
    color: #fff !important;
}

.bg-info {
    background: var(--amathinking-primary) !important;
    color: #fff !important;
}

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

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

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

.text-info {
    color: var(--amathinking-primary) !important;
}

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

/* Monospace / JSON blocks — readable in light and dark theme */
.amathinking-code-block {
    display: block;
    margin: 0;
    padding: 1rem;
    font-size: 0.875rem;
    line-height: 1.45;
    border-radius: 0.375rem;
    border: 1px solid var(--card-border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

body.dark-theme .card-body code {
    color: var(--amathinking-primary);
    background: var(--bg-tertiary);
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
}

body.dark-theme pre.bg-light {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--card-border) !important;
}

/* ==========================================================================
   16. LOGIN PAGE
   ========================================================================== */
.amathinking-login-body {
    background: linear-gradient(135deg, var(--login-bg-start) 0%, var(--login-bg-end) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.amathinking-login-logo {
    max-width: 280px;
}

.amathinking-login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

.amathinking-login-card .form-control {
    background: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

.amathinking-login-card .form-control::placeholder {
    color: var(--input-placeholder);
}

.amathinking-login-card hr {
    border-color: var(--border-color);
}

/* ==========================================================================
   17. ERROR PAGES
   ========================================================================== */
.amathinking-error-body {
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.amathinking-error-text-lg {
    font-size: 1.1rem;
}

.amathinking-access-error-body {
    background-color: var(--bg-primary);
    padding: 40px;
}

.amathinking-access-error-content {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 0.15rem 1.75rem 0 var(--shadow-color);
    color: var(--text-primary);
}

/* ==========================================================================
   18. AVATAR & IMAGES
   ========================================================================== */
.amathinking-avatar-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.amathinking-app-image {
    width: 24px;
    height: 24px;
    margin-right: 8px;
}

.amathinking-toggle-display {
    pointer-events: none;
}

/* ==========================================================================
   19. QUILL EDITOR
   ========================================================================== */
.amathinking-quill-editor {
    min-height: 120px;
    background: var(--input-bg);
    color: var(--input-text);
}

.amathinking-quill-editor-template {
    min-height: 420px;
}

.amathinking-quill-email-editor {
    min-height: 420px;
    background: var(--input-bg);
    color: var(--input-text);
}

.amathinking-field-panel-card {
    position: sticky;
    top: 80px;
}

.amathinking-field-panel-body {
    max-height: 580px;
    overflow-y: auto;
}

.btn-insert-field {
    font-size: .78rem;
    transition: background-color .15s, color .15s;
}

.btn-insert-field:hover {
    background-color: var(--bs-primary);
    color: #fff;
    border-color: var(--bs-primary);
}

/* Override Quill Snow theme for dark mode */
body.dark-theme .ql-toolbar.ql-snow {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
}

body.dark-theme .ql-container.ql-snow {
    border-color: var(--border-color);
}

body.dark-theme .ql-editor {
    color: var(--text-primary);
}

body.dark-theme .ql-snow .ql-stroke {
    stroke: var(--text-secondary);
}

body.dark-theme .ql-snow .ql-fill {
    fill: var(--text-secondary);
}

body.dark-theme .ql-snow .ql-picker-label {
    color: var(--text-secondary);
}

/* Toast container: above content, below modals */
#toastContainer {
    z-index: 1055;
}

/* App settings inline cards */
.amathinking-app-card {
    transition: box-shadow .2s ease;
}
.amathinking-app-card:hover {
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .08) !important;
}
body.dark-theme .amathinking-app-card:hover {
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .25) !important;
}

/* ==========================================================================
   20. MENU ADMIN STYLES
   ========================================================================== */
.menu-item-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.35rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: grab;
    transition: box-shadow 0.15s ease-in-out;
}

.menu-item-card:hover {
    box-shadow: 0 0.15rem 1.75rem 0 var(--shadow-color);
}

.menu-item-card.sortable-ghost {
    opacity: 0.4;
    background: var(--bg-tertiary);
}

.submenu-item {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 0.25rem;
    padding: 0.5rem 0.75rem;
    margin: 0.25rem 0;
    margin-left: 1.5rem;
    cursor: grab;
    font-size: 0.85rem;
}

.submenu-item.sortable-ghost {
    opacity: 0.4;
}

/* ==========================================================================
   22. ROLE TAGS & INFO CARDS
   ========================================================================== */
.role-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    background-color: var(--amathinking-primary);
    margin: 1px;
}

.info-card {
    background: var(--card-bg);
    border-left: 4px solid var(--amathinking-primary);
    padding: 1rem;
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem 0 var(--shadow-color);
    margin-bottom: 1rem;
}

.border-left-primary   { border-left: .25rem solid var(--btn-primary) !important; }
.border-left-warning   { border-left: .25rem solid var(--btn-warning) !important; }
.border-left-info      { border-left: .25rem solid var(--btn-info) !important; }
.border-left-danger    { border-left: .25rem solid var(--btn-danger) !important; }
.border-left-success   { border-left: .25rem solid var(--btn-success) !important; }
.border-left-secondary { border-left: .25rem solid var(--amathinking-gray) !important; }

/* ==========================================================================
   23. REMIXICON SIZE MODIFIERS
   ========================================================================== */
.ri-2x  { font-size: 2em; }
.ri-3x  { font-size: 3em; }
.ri-4x  { font-size: 4em; }
.ri-10x { font-size: 10em; }
.ri-lg  { font-size: 1.333em; line-height: .75em; vertical-align: -.0667em; }
.ri-sm  { font-size: .875em; }
.ri-fw  { width: 1.286em; text-align: center; }

.ri-spin {
    animation: ri-spin 2s infinite linear;
}

@keyframes ri-spin {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   24. MISCELLANEOUS
   ========================================================================== */
.text-gray-800 { color: var(--text-primary) !important; }
.text-gray-900 { color: var(--text-primary) !important; }

.o-hidden { overflow: hidden !important; }

.font-weight-bold { font-weight: 700 !important; }
.text-xs { font-size: .75rem !important; }
.text-uppercase { text-transform: uppercase !important; }

.btn:focus, .form-control:focus, a:focus {
    outline: 2px solid var(--amathinking-primary);
    outline-offset: 2px;
}

hr {
    border-color: var(--border-color);
    opacity: 0.5;
}

/* ==========================================================================
   25. RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .amathinking-main-content {
        padding: 0 0.5rem;
    }

    .amathinking-col-200 {
        width: auto;
        min-width: auto;
    }
}

/* ==========================================================================
   26. PRINT STYLES
   ========================================================================== */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
    }

    .theme-toggle,
    .amathinking-navbar,
    .amathinking-breadcrumb {
        display: none !important;
    }

    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }

    .table th, .table td {
        border: 1px solid #000 !important;
    }
}

/* Print utility */
.print-only {
    display: none !important;
}

/* ==========================================================================
   27. ACCESSIBILITY
   ========================================================================== */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000;
        --bg-primary: #FFF;
        --border-color: #000;
    }

    body.dark-theme {
        --text-primary: #FFF;
        --bg-primary: #000;
        --border-color: #FFF;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* ==========================================================================
   28. USER ROLE PIVOT GRID
   ========================================================================== */
.user-role-grid {
    font-size: 0.875rem;
}

.user-role-grid-user-col {
    min-width: 140px;
    white-space: nowrap;
}

.user-role-grid-role-col {
    min-width: 90px;
    max-width: 110px;
    white-space: nowrap;
}

.role-header-badge {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    padding: 6px 2px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    max-height: 120px;
}

.user-role-grid-cell {
    vertical-align: middle;
}

.user-role-grid-filter-select {
    min-height: 100px;
}

.filter-checkbox-scroll {
    max-height: 180px;
    overflow-y: auto;
}

@keyframes gridCellFlash {
    0%   { background-color: rgba(25, 135, 84, 0.35); }
    100% { background-color: transparent; }
}

.grid-cell-flash {
    animation: gridCellFlash 0.6s ease-out;
}

/* AppEmail body preview */
.amathinking-email-body-preview {
    min-height: 120px;
    max-height: 500px;
    overflow-y: auto;
    font-size: 0.95rem;
}

/* Home shortcut buttons */
.home-shortcut-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.5rem 0.75rem 1.25rem;
    text-align: center;
    color: var(--amathinking-primary);
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    box-shadow: 0 2px 6px var(--shadow-color);
    min-height: 110px;
    cursor: pointer;
}

.home-shortcut-btn:hover {
    background: var(--amathinking-primary);
    color: #fff;
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px var(--shadow-color);
    border-color: var(--amathinking-primary);
}

body.dark-theme .home-shortcut-btn:hover {
    color: #fff;
}

.home-shortcut-icon {
    font-size: 2.2rem;
    line-height: 1;
    margin-bottom: 0.6rem;
}

.home-shortcut-label {
    font-size: 0.8rem;
    font-weight: 600;
    word-break: break-word;
    line-height: 1.3;
}

.home-shortcut-btn-sm {
    padding: 0.9rem 0.5rem 0.75rem;
    min-height: 80px;
}

.home-shortcut-btn-sm .home-shortcut-icon {
    font-size: 1.6rem;
    margin-bottom: 0.4rem;
}

.home-shortcut-btn-sm .home-shortcut-label {
    font-size: 0.72rem;
}

/* AppMenu management list rows */
.menu-item-row:hover {
    background-color: rgba(78, 115, 223, 0.04);
}

.submenu-item-row {
    background-color: var(--bg-secondary);
}

.submenu-item-row:hover {
    background-color: var(--bg-tertiary);
}

body.dark-theme .menu-item-row:hover {
    background-color: rgba(74, 144, 226, 0.08);
}

body.dark-theme .submenu-item-row {
    background-color: var(--bg-secondary);
}

body.dark-theme .submenu-item-row:hover {
    background-color: var(--bg-tertiary);
}

body.dark-theme .submenu-item-row .badge.bg-secondary {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

body.dark-theme .submenu-item-row .badge.bg-info {
    background-color: var(--amathinking-primary) !important;
    color: #fff !important;
}

body.dark-theme .submenu-item-row .badge.bg-warning {
    background-color: var(--amathinking-highlight) !important;
    color: #0a0e13 !important;
}

/* ==========================================================================
   User Profile page
   ========================================================================== */
.amathinking-profile-card {
    border-radius: 1rem;
}

.amathinking-profile-avatar-wrap {
    position: relative;
    display: inline-block;
}

.amathinking-profile-avatar {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border: 4px solid var(--border-color, #dee2e6);
}

.amathinking-profile-avatar-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-size: 1.75rem;
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.amathinking-profile-avatar-wrap:hover .amathinking-profile-avatar-overlay {
    opacity: 1;
}

/* Locale row: date format, decimal/group separators - compact, de-emphasized */
.amathinking-profile-locale-row {
    padding: 0.5rem 0;
}

.amathinking-profile-locale-field {
    min-width: 100px;
}

.amathinking-profile-locale-field .form-select-sm {
    width: auto;
    max-width: 140px;
}

/* ==========================================================================
   AppUser Profile View (read-only)
   ========================================================================== */
.appuser-profile-view .appuser-profile-card {
    border-radius: 0.25rem;
}

.appuser-profile-avatar-wrap {
    position: relative;
    display: inline-block;
}

.appuser-profile-avatar {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 4px solid var(--border-color, #dee2e6);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.appuser-profile-avatar-badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    width: 28px;
    height: 28px;
    background: var(--amathinking-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.appuser-profile-field {
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary, #f8f9fa);
    border-radius: 0.5rem;
}

body.dark-theme .appuser-profile-field {
    background: rgba(255, 255, 255, 0.06);
}

/* ── Todo board ─────────────────────────────────────────────── */
.todo-board-shell { padding-bottom: 2rem; }
.todo-board-header {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
    gap: 1rem; margin-bottom: 1rem;
}
.todo-board-title { margin: 0; font-weight: 800; }
.todo-board-sub { margin: 0; color: var(--text-muted, #6c757d); font-size: .9rem; }
.todo-board-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.todo-board-filters { display: flex; gap: .5rem; min-width: 280px; }
.todo-input-with-voice { display: flex; align-items: flex-start; gap: .4rem; }
.todo-input-with-voice .form-control { flex: 1; }
.todo-voice-btn {
    border: 0; width: 2.25rem; height: 2.25rem; border-radius: 999px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--bg-secondary, #f1f5f9); color: var(--text-muted, #64748b);
}
.todo-voice-btn:hover { background: color-mix(in srgb, var(--amathinking-primary, #4a90e2) 12%, #fff); color: var(--amathinking-primary, #4a90e2); }
.todo-voice-btn.is-listening { background: #ef4444; color: #fff; animation: todo-voice-pulse 1.2s ease-in-out infinite; }
@keyframes todo-voice-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,.45); } 50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); } }
body.dark-theme .todo-voice-btn { background: rgba(255,255,255,.08); }
.todo-color-picker { display: flex; gap: .35rem; flex-wrap: wrap; }
.todo-color-dot {
    width: 1.35rem; height: 1.35rem; border-radius: 999px; border: 2px solid transparent;
    background: var(--todo-dot); cursor: pointer; padding: 0;
}
.todo-color-dot.active { border-color: #111; box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--todo-dot); }
.todo-column { background: var(--card-bg, #fff); border-radius: 1rem; box-shadow: 0 8px 24px rgba(15,23,42,.08); overflow: hidden; min-height: 420px; }
.todo-column-head {
    padding: .85rem 1rem; font-weight: 700; border-bottom: 1px solid var(--border-color, #e9ecef);
    display: flex; align-items: center; gap: .5rem;
}
.todo-column-body { padding: .75rem; display: flex; flex-direction: column; gap: .65rem; max-height: 70vh; overflow: auto; }
.todo-card {
    border-radius: .85rem; padding: .75rem .85rem; background: linear-gradient(135deg, color-mix(in srgb, var(--todo-accent) 12%, #fff), #fff);
    border-left: 4px solid var(--todo-accent); box-shadow: 0 2px 8px rgba(15,23,42,.06);
}
.todo-card-done { opacity: .82; }
.todo-overdue { box-shadow: 0 0 0 1px rgba(220,53,69,.35); }
.todo-card-top { display: flex; align-items: flex-start; gap: .5rem; }
.todo-card-title { flex: 1; font-weight: 700; line-height: 1.3; }
.todo-card-desc { font-size: .85rem; color: var(--text-muted, #6c757d); margin: .35rem 0 .5rem 1.6rem; }
.todo-card-meta { display: flex; flex-wrap: wrap; gap: .35rem; margin-left: 1.6rem; align-items: center; }
.todo-check { border: 0; background: transparent; color: var(--todo-accent); font-size: 1.15rem; line-height: 1; padding: 0; }
.todo-tag {
    display: inline-block; font-size: .7rem; padding: .15rem .45rem; border-radius: 999px;
    background: color-mix(in srgb, var(--todo-accent) 18%, #fff); color: #334155;
}
.todo-due { font-size: .75rem; }
.gemma-stat { background: var(--bg-secondary, #f8f9fa); border-radius: .75rem; padding: .85rem 1rem; }
.gemma-stat-label { font-size: .75rem; color: var(--text-muted, #6c757d); text-transform: uppercase; letter-spacing: .04em; }
.gemma-stat-value { font-size: 1.35rem; font-weight: 800; }
.gemma-download-panel { background: var(--bg-secondary, #f8f9fa); border-radius: .75rem; padding: .85rem 1rem; }
.gemma-download-progress { height: .65rem; }
body.dark-theme .todo-card { background: linear-gradient(135deg, color-mix(in srgb, var(--todo-accent) 18%, #1e1e1e), #1e1e1e); }
body.dark-theme .gemma-stat { background: rgba(255,255,255,.06); }

/* AI assistant chat widget */
.ai-chat {
    background: linear-gradient(135deg, var(--amathinking-primary, #4a90e2) 0%, #6366f1 100%);
    color: #fff;
    border-radius: 1rem;
    padding: 0.95rem 1rem 0.75rem;
    box-shadow: 0 12px 28px rgba(74, 144, 226, 0.30);
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}
.ai-chat::after {
    content: "";
    position: absolute;
    right: -50px;
    top: -50px;
    width: 170px;
    height: 170px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.10);
    pointer-events: none;
}
.ai-chat__head {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.55rem;
    position: relative;
    z-index: 1;
}
.ai-chat__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ai-chat__title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.1;
}
.ai-chat__sub {
    margin: 0;
    font-size: 0.72rem;
    opacity: 0.85;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-weight: 600;
}
.ai-chat__bubble {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    padding: 0.65rem 0.8rem;
    font-size: 0.86rem;
    line-height: 1.4;
    backdrop-filter: blur(4px);
    position: relative;
    z-index: 1;
    min-height: 2.5rem;
}
.ai-chat__input {
    margin-top: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 999px;
    padding: 0.3rem 0.4rem 0.3rem 0.85rem;
    position: relative;
    z-index: 1;
}
.ai-chat__input input {
    flex: 1;
    border: 0;
    background: transparent;
    outline: none;
    font: inherit;
    font-size: 0.85rem;
    color: #1f2937;
    padding: 0.35rem 0;
}
.ai-chat__send {
    border: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--amathinking-primary, #4a90e2) 0%, #6366f1 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
}
.ai-chat__suggestions {
    margin-top: 0.55rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    position: relative;
    z-index: 1;
}
.ai-chat__chip {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
}
.ai-chat__chip:hover {
    background: rgba(255, 255, 255, 0.28);
}
.ai-chat__open-full {
    position: relative;
    z-index: 1;
}

/* Full assistant page */
.assistant-page {
    --assistant-chat-height: calc(100vh - 10.5rem);
}
.assistant-page .col-lg-3 > .card,
.assistant-page .col-lg-9 > .assistant-chat-panel {
    height: var(--assistant-chat-height);
    max-height: var(--assistant-chat-height);
}
.assistant-session-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-anchor: none;
}
.assistant-session-row {
    display: flex;
    align-items: stretch;
    border-bottom: 1px solid var(--border-color, #dee2e6);
}
.assistant-session-row:hover,
.assistant-session-row.active {
    background: rgba(74, 144, 226, 0.08);
}
.assistant-session-item {
    display: block;
    flex: 1;
    min-width: 0;
    padding: 0.75rem 0.85rem;
    text-decoration: none;
    color: inherit;
}
.assistant-session-delete {
    flex-shrink: 0;
    align-self: center;
    margin-right: 0.45rem;
    padding: 0.2rem 0.45rem;
    line-height: 1;
    opacity: 0.45;
    border-color: transparent;
    background: transparent;
}
.assistant-session-row:hover .assistant-session-delete,
.assistant-session-row.active .assistant-session-delete {
    opacity: 1;
}
.assistant-session-delete:hover {
    border-color: var(--bs-danger);
    background: color-mix(in srgb, var(--bs-danger) 12%, transparent);
}
.assistant-session-title {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
}
.assistant-page .col-lg-3 > .card {
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.assistant-chat-panel {
    min-height: 0;
    display: flex;
    flex-direction: column;
}
.assistant-messages {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-anchor: none;
    padding: 0.65rem 0.85rem;
    font-size: 0.8125rem;
    line-height: 1.55;
}
.assistant-message {
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.assistant-message--user {
    align-items: flex-end;
}
.assistant-message--assistant {
    align-items: flex-start;
}
.assistant-message__bubble {
    max-width: 88%;
    padding: 0.5rem 0.75rem;
    border-radius: 0.85rem;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.8125rem;
    line-height: 1.55;
    font-weight: 400;
    letter-spacing: 0.01em;
}
.assistant-message--user .assistant-message__bubble {
    background: color-mix(in srgb, var(--amathinking-primary, #4a90e2) 88%, #fff);
    color: #f4f8fc;
    border-bottom-right-radius: 0.2rem;
    font-size: 0.8rem;
}
.assistant-message--assistant .assistant-message__bubble {
    background: color-mix(in srgb, var(--bg-tertiary) 92%, var(--bg-secondary));
    color: var(--text-secondary);
    border: 1px solid color-mix(in srgb, var(--border-color) 70%, transparent);
    border-bottom-left-radius: 0.2rem;
}
.assistant-message--assistant .assistant-message__bubble strong {
    font-weight: 600;
    color: var(--text-primary);
}
.assistant-message__feedback {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.assistant-model-select {
    min-width: 10rem;
}
.assistant-send-form .input-group {
    gap: 0;
}
.assistant-send-form .form-control {
    font-size: 0.8125rem;
}

body.dark-theme .assistant-session-row {
    border-bottom-color: var(--border-color);
}
body.dark-theme .assistant-session-row:hover,
body.dark-theme .assistant-session-row.active {
    background: rgba(74, 144, 226, 0.15);
}
body.dark-theme .assistant-messages {
    background: transparent;
}
body.dark-theme .assistant-chat-panel .card-footer {
    background: var(--card-bg);
    border-top-color: var(--card-border);
}

.assistant-turn--live {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.assistant-message--status {
    align-items: flex-start;
}
.assistant-message__bubble--status {
    background: color-mix(in srgb, var(--amathinking-primary) 10%, var(--bg-tertiary));
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
}
.assistant-status-elapsed {
    font-variant-numeric: tabular-nums;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-left: auto;
    min-width: 3.5rem;
    text-align: right;
}
.assistant-ollama-offline code {
    font-size: 0.85em;
}
.assistant-spin {
    display: inline-block;
    animation: assistant-spin 1s linear infinite;
    vertical-align: -0.1em;
}
@keyframes assistant-spin {
    to { transform: rotate(360deg); }
}
.assistant-message--tool {
    align-items: flex-start;
}
.assistant-message__bubble--tool {
    max-width: 92%;
    background: color-mix(in srgb, var(--amathinking-primary) 12%, var(--bg-tertiary));
    border: 1px dashed var(--border-color);
    font-size: 0.8rem;
    padding: 0.5rem 0.7rem;
}
.assistant-message--tool-running .assistant-message__bubble--tool {
    border-style: solid;
    border-color: color-mix(in srgb, var(--amathinking-primary) 45%, var(--border-color));
}
.assistant-tool-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.assistant-tool-label {
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--amathinking-primary);
}
.assistant-tool-args {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.68rem;
    color: var(--text-muted);
    white-space: pre-wrap;
    word-break: break-word;
}
.assistant-tool-details {
    margin: 0;
}
.assistant-tool-details > summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--amathinking-primary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}
.assistant-tool-details > summary::-webkit-details-marker {
    display: none;
}
.assistant-tool-details > summary::before {
    content: "▸";
    font-size: 0.7rem;
    transition: transform 0.15s ease;
}
.assistant-tool-details[open] > summary::before {
    transform: rotate(90deg);
}
.assistant-tool-preview {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.72rem;
}
.assistant-tool-result {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 0.45rem;
    max-height: 14rem;
    overflow: auto;
    padding: 0.45rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.4rem;
}