/* ============================================================
   ILYGO Annonces — Tableau d'affichage numerique pour PME
   Branding: www.ilygo.ch
   Palette: Navy #213150, Accent #f4a023, Inter font, Swiss-minimalist
   Design System: shared with Atrium, Devis, PV
   ============================================================ */

:root {
    /* Brand colors */
    --color-primary: #213150;
    --color-primary-hover: #19263e;
    --color-primary-light: rgba(33,49,80,0.07);
    --color-primary-lighter: rgba(33,49,80,0.04);

    /* Accent — warm orange (megaphone / annonces) */
    --color-accent: #f4a023;
    --color-accent-dark: #d48b1a;
    --color-accent-light: rgba(244,160,35,0.1);

    /* Neutrals */
    --color-bg: #f5f7fa;
    --color-bg-white: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-accent: #e9ecef;
    --color-border: #dee2e6;
    --color-text: #212529;
    --color-text-secondary: #6c757d;

    /* Semantic */
    --color-success: #198754;
    --color-warning: #e8a317;
    --color-danger: #dc3545;
    --color-info: #0d7ea3;

    /* Radii */
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 8px;
    --radius-xs: 6px;

    /* Shadows */
    --shadow-sm: 0 1px 6px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

    /* Layout */
    --sidebar-width: 240px;
    --navbar-height: 56px;
}

/* === Base === */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    font-size: 0.875rem;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }

/* === Buttons === */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.8125rem;
    transition: all 0.15s ease;
    letter-spacing: 0.01em;
}
.btn-primary { background: var(--color-primary); border-color: var(--color-primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-outline-primary { color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline-primary:hover { background: var(--color-primary); color: #fff; }
.btn-outline-secondary { color: var(--color-text-secondary); border-color: var(--color-border); }
.btn-outline-secondary:hover { background: var(--color-bg-light); color: var(--color-text); border-color: var(--color-text-secondary); }
.btn-sm { font-size: 0.75rem; padding: 0.25rem 0.625rem; }
.btn-lg { font-size: 0.9375rem; padding: 0.5rem 1.25rem; }
.btn-success { background: var(--color-success); border-color: var(--color-success); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); }
.btn-accent { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn-accent:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: #fff; }

/* === Cards === */
.card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-bg-accent);
    box-shadow: var(--shadow-sm);
    background: var(--color-bg-white);
    transition: all 0.15s ease;
}
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* === Navbar === */
.navbar {
    background: var(--color-bg-white) !important;
    border-bottom: 1px solid var(--color-bg-accent);
    height: var(--navbar-height);
}
.navbar-brand {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.navbar-brand img { height: 28px; }
.navbar-brand .brand-name { font-weight: 800; color: var(--color-primary); }
.navbar-brand .brand-product { font-weight: 300; color: var(--color-text-secondary); }

/* Inline SVG megaphone (CSS-rendered, mirrors Atrium arch) */
.annonce-megaphone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

/* === Sidebar === */
.sidebar {
    width: var(--sidebar-width);
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    background: var(--color-bg-white);
    border-right: 1px solid var(--color-bg-accent);
    box-shadow: none;
    overflow-y: auto;
    z-index: 1020;
    display: flex;
    flex-direction: column;
    padding-top: 0.5rem;
    transition: width 0.2s ease, transform 0.2s ease;
}
.sidebar-section {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-secondary);
    padding: 0.75rem 1rem 0.25rem;
    font-weight: 600;
}
.sidebar-link {
    color: var(--color-text);
    padding: 0.45rem 1rem;
    font-size: 0.8125rem;
    font-weight: 400;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.12s ease;
    gap: 0.5rem;
}
.sidebar-link i { font-size: 0.9rem; width: 20px; text-align: center; }
.sidebar-link:hover { background: var(--color-primary-lighter); color: var(--color-primary); }
.sidebar-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
    border-left-color: var(--color-primary);
}
.sidebar-link .badge { font-size: 0.6rem; }

/* Sidebar collapse toggle */
#sidebar-collapse-btn {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--color-text-secondary);
    padding: 0.5rem;
    border-top: 1px solid var(--color-bg-accent);
    cursor: pointer;
    margin-top: auto;
}
#sidebar-collapse-btn:hover { color: var(--color-primary); background: var(--color-primary-lighter); }

/* Main content offset */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 1.5rem;
    min-height: calc(100vh - var(--navbar-height));
}

/* === Forms === */
.form-control, .form-select {
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    border-color: var(--color-border);
}
.form-control:focus, .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(33,49,80,0.1);
}
.form-label { font-size: 0.8125rem; font-weight: 500; margin-bottom: 0.25rem; color: var(--color-text); }
.form-text { font-size: 0.7rem; color: var(--color-text-secondary); }
.form-control-sm, .form-select-sm { font-size: 0.75rem; }

/* === Tables === */
.table { font-size: 0.8125rem; }
.table thead th {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    font-weight: 600;
    border-bottom: 2px solid var(--color-bg-accent);
    padding: 0.5rem 0.625rem;
    white-space: nowrap;
    background: var(--color-bg-light);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 0 rgba(0,0,0,0.04);
}
.table tbody td { padding: 0.5rem 0.625rem; vertical-align: middle; }
.table-hover tbody tr:hover { background-color: var(--color-primary-lighter); }
.table-sm td, .table-sm th { padding: 0.35rem 0.5rem; }

/* === Badges === */
.badge {
    border-radius: var(--radius-xs);
    font-weight: 500;
    padding: 0.2em 0.55em;
    font-size: 0.68rem;
    letter-spacing: 0.01em;
}

/* === Progress === */
.progress {
    border-radius: 1rem;
    background: var(--color-bg-accent);
    height: 6px;
}
.progress-bar {
    border-radius: 1rem;
    transition: width 0.5s ease;
}

/* === Breadcrumbs === */
.breadcrumb-nav { font-size: 0.75rem; margin-bottom: 0.5rem; }
.breadcrumb-nav a { color: var(--color-text-secondary); text-decoration: none; }
.breadcrumb-nav a:hover { color: var(--color-primary); text-decoration: underline; }
.breadcrumb-nav .sep { color: var(--color-bg-accent); margin: 0 0.4rem; }
.breadcrumb-nav .current { color: var(--color-text); font-weight: 500; }

/* === Modals === */
.modal-content { border-radius: var(--radius-lg); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--color-bg-accent); }
.modal-footer { border-top: 1px solid var(--color-bg-accent); }

/* === Toasts === */
.toast { border-radius: var(--radius-md); box-shadow: var(--shadow-lg); }

/* === Accordion === */
.accordion-item { border: 1px solid var(--color-bg-accent); border-radius: var(--radius-md) !important; }
.accordion-button { font-size: 0.8125rem; border-radius: var(--radius-md) !important; }
.accordion-button:not(.collapsed) { background: var(--color-primary-light); color: var(--color-primary); box-shadow: none; }
.accordion-button:focus { box-shadow: none; border-color: var(--color-primary); }

/* === HTMX / Loading === */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-block; }
button[disabled] { opacity: 0.6; cursor: not-allowed; }

.loading-placeholder {
    text-align: center;
    padding: 1.5rem;
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
}
.loading-placeholder .spinner-border { width: 1rem; height: 1rem; border-width: 0.15em; }

/* === HTMX global progress bar === */
#htmx-progress {
    position: fixed;
    top: 0; left: 0;
    width: 0;
    height: 3px;
    background: var(--color-accent);
    z-index: 9999;
    transition: width 0.3s ease;
    border-radius: 0 2px 2px 0;
}

/* === Page headings === */
.page-heading { color: var(--color-primary); font-weight: 700; font-size: 1.25rem; margin-bottom: 0; }
.page-subtitle { color: var(--color-text-secondary); font-size: 0.8125rem; margin-top: 0.15rem; }

/* === Empty states === */
.empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--color-text-secondary); }
.empty-state i { font-size: 2.75rem; opacity: 0.4; display: block; margin-bottom: 0.5rem; }
.empty-state p { margin: 0.25rem 0; font-weight: 500; }
.empty-state .empty-state-sub { font-size: 0.85rem; opacity: 0.85; }
.empty-state .empty-state-action { margin-top: 1rem; }

/* === Keyboard shortcut hints === */
.kbd-hint { font-size: 0.6rem; color: var(--color-text-secondary); opacity: 0.6; margin-left: 0.25rem; }
kbd { font-size: 0.65rem; background: var(--color-bg-accent); border-radius: 3px; padding: 0.1em 0.35em; color: var(--color-text-secondary); }

/* === Login page === */
.login-container { min-height: 100vh; background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%); display: flex; align-items: center; justify-content: center; }
.login-card { max-width: 420px; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.login-logo { height: 48px; }

/* === Announcement-specific === */

/* Announcement cards */
.announcement-card {
    border-left: 4px solid transparent;
    transition: all 0.15s ease;
}
.announcement-card.unread {
    border-left-color: var(--color-accent);
    background: rgba(244,160,35,0.03);
}
.announcement-card:hover { box-shadow: var(--shadow-md); }
.announcement-card .card-title { font-size: 0.95rem; font-weight: 600; color: var(--color-text); }
.announcement-card .card-text { font-size: 0.8125rem; color: var(--color-text-secondary); line-height: 1.5; }

/* Acknowledgment button */
.btn-acknowledge {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    width: 100%;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}
.btn-acknowledge:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Ack status */
.ack-status-read { color: var(--color-success); font-size: 0.8125rem; }
.ack-status-unread { color: var(--color-warning); font-size: 0.8125rem; font-weight: 500; }

/* Ack progress */
.ack-progress .progress { height: 8px; }
.ack-progress .progress-bar.complete { background: var(--color-success); }

/* Category badges */
.badge-category { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.02em; }
.badge-pinned { background: var(--color-text-secondary); }
.badge-translated { background: var(--color-info); color: #fff; }

/* Announcement body */
.announcement-body { font-size: 0.9rem; line-height: 1.7; color: var(--color-text); }
.announcement-body ul, .announcement-body ol { padding-left: 1.5rem; }
.announcement-body a { color: var(--color-primary); }
.announcement-body strong { color: var(--color-text); }

/* === Bottom mobile nav === */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--color-bg-white);
    border-top: 1px solid var(--color-bg-accent);
    box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
    z-index: 1030;
    padding-bottom: env(safe-area-inset-bottom, 6px);
}
.bottom-nav .nav-link { font-size: 0.65rem; color: var(--color-text-secondary); padding: 6px 0; text-align: center; }
.bottom-nav .nav-link.active { color: var(--color-primary); font-weight: 600; }
.bottom-nav .nav-link i { font-size: 1.15rem; display: block; margin-bottom: 2px; }
body.has-bottom-nav { padding-bottom: 70px; }

/* === Sidebar collapse (desktop) === */
body.sidebar-collapsed { --sidebar-width: 60px; }
body.sidebar-collapsed .sidebar-link span,
body.sidebar-collapsed .sidebar-section,
body.sidebar-collapsed .sidebar-link .badge { display: none !important; }
body.sidebar-collapsed .sidebar-link { justify-content: center; padding: 0.55rem 0.5rem; }
body.sidebar-collapsed .sidebar-link i { margin: 0 !important; font-size: 1.05rem; }

/* === Sidebar backdrop (mobile) === */
.sidebar-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1019;
    display: none;
}
body.sidebar-open .sidebar-backdrop { display: block; }
body.sidebar-open { overflow: hidden; }

/* === Responsive === */
@media (max-width: 991px) {
    .sidebar { display: none; transform: translateX(-100%); transition: transform 0.2s; }
    .sidebar.show { display: flex; transform: translateX(0); z-index: 1040; position: fixed; top: var(--navbar-height); left: 0; bottom: 0; width: var(--sidebar-width); background: var(--color-bg-white); box-shadow: 4px 0 20px rgba(0,0,0,0.15); }
    .main-content { margin-left: 0 !important; }
}
@media (max-width: 768px) {
    .main-content { padding: 1rem !important; }
    .btn-sm { min-height: 38px; }
    .table .col-secondary { display: none !important; }
    .col-lg-7, .col-lg-5, .col-md-7, .col-md-5, .col-md-8, .col-md-4 { width: 100% !important; }
}
@media (max-width: 480px) {
    .page-heading { font-size: 1.1rem; }
}

/* === Spin animation === */
@keyframes ilygo-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.spin { display: inline-block; animation: ilygo-spin 1.4s linear infinite; }

/* === Search highlight === */
mark { background: #fef3c7; padding: 0 2px; border-radius: 2px; }

/* === Print === */
@media print {
    .sidebar, .navbar, .bottom-nav, .btn, .no-print { display: none !important; }
    .main-content { margin: 0 !important; padding: 0 !important; }
    .card { box-shadow: none !important; border: 1px solid #ddd !important; }
}

/* === High-readability mode (a11y) === */
.a11y-large { font-size: 17.5px; }
.a11y-large body { line-height: 1.65; }
.a11y-large .small, .a11y-large small, .a11y-large .form-text { font-size: 0.85rem !important; }
.a11y-large .btn { padding: 0.55rem 1rem; min-height: 42px; }
.a11y-large .form-control, .a11y-large .form-select { padding: 0.55rem 0.85rem; min-height: 42px; }
.a11y-large .badge { font-size: 0.75rem; padding: 0.4em 0.6em; }
.a11y-large :focus-visible { outline: 3px solid #0d6efd !important; outline-offset: 2px !important; }

/* ============================================================
   Dark mode — WCAG AA compliant contrasts
   Activated by .theme-dark class on <html>
   ============================================================ */
.theme-dark {
    --color-bg: #141619;
    --color-bg-white: #1e2128;
    --color-bg-light: #262a32;
    --color-bg-accent: #2f343d;
    --color-border: #3d4350;

    --color-text: #e8eaed;
    --color-text-secondary: #a0a7b4;

    --color-primary: #7bafd8;
    --color-primary-hover: #9ac2e4;
    --color-primary-light: rgba(123,175,216,0.15);
    --color-primary-lighter: rgba(123,175,216,0.08);

    --color-accent: #fbbf24;
    --color-accent-dark: #f59e0b;
    --color-accent-light: rgba(251,191,36,0.15);

    --color-success: #34d399;
    --color-warning: #fbbf24;
    --color-danger: #f87171;
    --color-info: #38bdf8;

    --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 2px 10px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);

    /* Bootstrap 5 overrides */
    --bs-body-color: #e8eaed;
    --bs-body-color-rgb: 232, 234, 237;
    --bs-body-bg: #141619;
    --bs-body-bg-rgb: 20, 22, 25;
    --bs-emphasis-color: #ffffff;
    --bs-emphasis-color-rgb: 255, 255, 255;
    --bs-secondary-color: #a0a7b4;
    --bs-secondary-color-rgb: 160, 167, 180;
    --bs-tertiary-color: #7a828f;
    --bs-tertiary-bg: #262a32;
    --bs-tertiary-bg-rgb: 38, 42, 50;
    --bs-border-color: #3d4350;
    --bs-border-color-translucent: rgba(255, 255, 255, 0.15);
    --bs-heading-color: #ffffff;
    --bs-link-color: #7bafd8;
    --bs-link-hover-color: #9ac2e4;
    --bs-card-color: #e8eaed;
    --bs-card-bg: #1e2128;
    --bs-card-border-color: #3d4350;
    --bs-card-cap-bg: #262a32;
}

/* Dark: Base */
.theme-dark body { color: var(--color-text); background: var(--color-bg); }

/* Dark: Cards */
.theme-dark .card, .theme-dark .card-body { background-color: var(--color-bg-white); color: var(--color-text); border-color: var(--color-border); }
.theme-dark .card-body *:not([class*="text-"]):not([class*="bg-"]):not(.badge):not(.btn):not(input):not(select):not(textarea) { color: inherit; }

/* Dark: Bootstrap bg helpers */
.theme-dark .bg-light, .theme-dark .bg-light > * { background-color: var(--color-bg-accent) !important; color: var(--color-text) !important; }
.theme-dark .bg-light .text-muted, .theme-dark .bg-light small.text-muted { color: var(--color-text-secondary) !important; }
.theme-dark .bg-light .btn, .theme-dark .bg-light .badge { background-color: revert; }

/* Dark: Navigation */
.theme-dark .navbar { background: var(--color-bg-white) !important; border-color: var(--color-border); }
.theme-dark .navbar-brand, .theme-dark .navbar-brand span { color: var(--color-primary) !important; }
.theme-dark .sidebar { background: var(--color-bg-white); border-color: var(--color-border); }
.theme-dark .sidebar-link { color: var(--color-text); }
.theme-dark .sidebar-link:hover { background: var(--color-primary-lighter); color: var(--color-primary); }
.theme-dark .sidebar-link.active { background: var(--color-primary-light); color: var(--color-primary); border-left-color: var(--color-primary); }
.theme-dark .sidebar-section { color: var(--color-text-secondary); }

/* Dark: Tables */
.theme-dark .table { --bs-table-bg: transparent !important; --bs-table-color: var(--color-text) !important; --bs-table-border-color: var(--color-border) !important; --bs-table-accent-bg: transparent !important; --bs-table-bg-type: transparent !important; --bs-table-bg-state: transparent !important; color: var(--color-text) !important; background-color: transparent !important; }
.theme-dark .table > :not(caption) > * > *, .theme-dark .table tbody tr > td, .theme-dark .table tbody tr > th { background-color: transparent !important; color: var(--color-text) !important; border-bottom-color: var(--color-border) !important; box-shadow: none !important; }
.theme-dark .table > thead > tr > th, .theme-dark .table thead.table-light th, .theme-dark .table-light { background-color: var(--color-bg-light) !important; color: var(--color-text-secondary) !important; border-color: var(--color-border) !important; box-shadow: none !important; }
.theme-dark .table-hover > tbody > tr:hover > * { background-color: rgba(123, 175, 216, 0.12) !important; color: var(--color-text) !important; box-shadow: none !important; }
.theme-dark .table a.text-dark, .theme-dark .table .text-dark { color: var(--color-text) !important; }

/* Dark: Forms */
.theme-dark .form-control, .theme-dark .form-select { background: var(--color-bg-light); color: var(--color-text); border-color: var(--color-border); }
.theme-dark .form-control::placeholder { color: var(--color-text-secondary); opacity: 0.6; }
.theme-dark .form-control:focus, .theme-dark .form-select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(123,175,216,0.2); }
.theme-dark .form-label { color: var(--color-text); }
.theme-dark .form-text { color: var(--color-text-secondary); }
.theme-dark .form-check-label { color: var(--color-text); }
.theme-dark .input-group-text { background: var(--color-bg-accent); color: var(--color-text-secondary); border-color: var(--color-border); }

/* Dark: Buttons */
.theme-dark .btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: #141619; }
.theme-dark .btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.theme-dark .btn-outline-primary { color: var(--color-primary); border-color: var(--color-primary); }
.theme-dark .btn-outline-primary:hover { background: var(--color-primary); color: #141619; }
.theme-dark .btn-outline-secondary { color: var(--color-text-secondary); border-color: var(--color-border); }
.theme-dark .btn-outline-secondary:hover { background: var(--color-bg-accent); color: var(--color-text); }
.theme-dark .btn-success { background: var(--color-success); border-color: var(--color-success); color: #141619; }
.theme-dark .btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #141619; }
.theme-dark .btn-outline-danger { color: var(--color-danger); border-color: var(--color-danger); }

/* Dark: Links */
.theme-dark a { color: var(--color-primary); }
.theme-dark a:hover { color: var(--color-primary-hover); }
.theme-dark .page-heading { color: var(--color-primary); }

/* Dark: Badges */
.theme-dark .badge.bg-light { background: var(--color-bg-accent) !important; color: var(--color-text) !important; }
.theme-dark .badge.bg-secondary { background: #4b5563 !important; }
.theme-dark .badge.bg-success { background: var(--color-success) !important; color: #141619 !important; }
.theme-dark .badge.bg-danger { background: var(--color-danger) !important; color: #141619 !important; }
.theme-dark .badge.bg-warning { background: var(--color-warning) !important; color: #141619 !important; }
.theme-dark .badge.bg-info { background: var(--color-info) !important; color: #141619 !important; }
.theme-dark .badge.bg-primary { background: var(--color-primary) !important; color: #141619 !important; }

/* Dark: Alerts */
.theme-dark .alert-info { background: rgba(56,189,248,0.15); color: var(--color-info); border-color: rgba(56,189,248,0.3); }
.theme-dark .alert-warning { background: rgba(251,191,36,0.15); color: var(--color-warning); border-color: rgba(251,191,36,0.3); }
.theme-dark .alert-danger { background: rgba(248,113,113,0.15); color: var(--color-danger); border-color: rgba(248,113,113,0.3); }
.theme-dark .alert-success { background: rgba(52,211,153,0.15); color: var(--color-success); border-color: rgba(52,211,153,0.3); }

/* Dark: Modals */
.theme-dark .modal-content { background: var(--color-bg-white); color: var(--color-text); }
.theme-dark .modal-header { border-color: var(--color-border); }
.theme-dark .modal-footer { border-color: var(--color-border); }
.theme-dark .btn-close { filter: invert(1); }

/* Dark: Dropdowns */
.theme-dark .dropdown-menu { background: var(--color-bg-white); border-color: var(--color-border); }
.theme-dark .dropdown-item { color: var(--color-text); }
.theme-dark .dropdown-item:hover { background: var(--color-primary-lighter); color: var(--color-text); }
.theme-dark .dropdown-divider { border-color: var(--color-border); }

/* Dark: Bootstrap utilities */
.theme-dark .bg-white { background: var(--color-bg-white) !important; }
.theme-dark .text-dark { color: var(--color-text) !important; }
.theme-dark .text-muted { color: var(--color-text-secondary) !important; }
.theme-dark .border { border-color: var(--color-border) !important; }
.theme-dark .border-top, .theme-dark .border-bottom { border-color: var(--color-border) !important; }
.theme-dark .progress { background: var(--color-bg-accent); }
.theme-dark code { background: var(--color-bg-accent); color: #f0abab; }
.theme-dark pre { background: var(--color-bg-light); color: var(--color-text); }

/* Dark: Accordion */
.theme-dark .accordion-item { background: var(--color-bg-white); border-color: var(--color-border); }
.theme-dark .accordion-button { background: var(--color-bg-white); color: var(--color-text); }
.theme-dark .accordion-button:not(.collapsed) { background: var(--color-primary-light); color: var(--color-primary); }
.theme-dark .accordion-button::after { filter: invert(1); }

/* Dark: Login */
.theme-dark .login-container { background: linear-gradient(135deg, #141619 0%, #1e2128 100%); }
.theme-dark .login-card { background: var(--color-bg-white); box-shadow: var(--shadow-lg); }

/* Dark: Tabs */
.theme-dark .nav-tabs { border-color: var(--color-border); }
.theme-dark .nav-tabs .nav-link { color: var(--color-text-secondary); }
.theme-dark .nav-tabs .nav-link.active { background: var(--color-bg-white); color: var(--color-text); border-color: var(--color-border); }

/* Dark: Bottom nav */
.theme-dark .bottom-nav { background: var(--color-bg-white); border-color: var(--color-border); }

/* Dark: Toast */
.theme-dark .toast { background: var(--color-bg-white); color: var(--color-text); }

/* Dark: Announcement cards */
.theme-dark .announcement-card.unread { background: rgba(251,191,36,0.05); }

/* Dark: Inline color catches */
.theme-dark [style*="color: #213150"], .theme-dark [style*="color:#213150"] { color: var(--color-primary) !important; }

/* Force light mode reset */
.theme-light {
    --color-bg: #f5f7fa;
    --color-bg-white: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-accent: #e9ecef;
    --color-border: #dee2e6;
    --color-text: #212529;
    --color-text-secondary: #6c757d;
    --color-primary: #213150;
    --color-primary-hover: #19263e;
    --color-primary-light: rgba(33,49,80,0.07);
    --color-primary-lighter: rgba(33,49,80,0.04);
}

/* ============================================================
   UX Improvements
   ============================================================ */

/* UX-012: Ack success animation */
@keyframes ack-success {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}
.ack-success-animation {
    animation: ack-success 0.4s ease-out;
}
.ack-status-read {
    color: var(--color-success);
    font-size: 0.8125rem;
}

/* UX-021: Stats KPIs responsive */
@media (max-width: 400px) {
    .stats-kpi-row .col-4 { flex: 0 0 100%; max-width: 100%; margin-bottom: 0.5rem; }
}

/* UX-039: HTMX swap transitions */
.htmx-swapping { opacity: 0; transition: opacity 0.15s ease-out; }
.htmx-settling { opacity: 1; transition: opacity 0.25s ease-in; }
.htmx-added { opacity: 0; }
.htmx-added.htmx-settling { opacity: 1; transition: opacity 0.3s ease-in; }

/* UX-040: End of list indicator */
.end-of-list {
    text-align: center;
    padding: 1.5rem;
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    border-top: 1px solid var(--color-bg-accent);
    margin-top: 1rem;
}

/* UX-012: Ack button hover/active states */
.btn-acknowledge:active, .btn-primary:active {
    transform: scale(0.98);
}

/* UX-005: Disabled submit button styling */
form[data-submitted="true"] button[type="submit"] {
    pointer-events: none;
    opacity: 0.65;
}

/* UX-009: Markdown preview */
.md-preview {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    min-height: 100px;
    background: var(--color-bg-light);
    font-size: 0.875rem;
    line-height: 1.6;
}
.md-preview:empty::before {
    content: "Apercu du rendu...";
    color: var(--color-text-secondary);
    font-style: italic;
}

/* UX-024: Search input loading */
.search-loading {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}