/* ==========================================================================
   TS-Courser global theme
   --------------------------------------------------------------------------
   This stylesheet replaces the previous inline <style> block in base.html.
   It owns design tokens, theme overrides, and shared layout/navigation rules.
   ========================================================================== */

:root {
    /* Purple Theme Colors - Light Mode */
    --primary-color: #883890;
    --primary-hover: #6d2d73;
    --primary-light: #a855b8;
    --primary-pale: #f3e8f5;

    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;

    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);

    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
}

[data-theme="dark"] {
    /* Purple Theme Colors - Dark Mode */
    --primary-color: #a855b8;
    --primary-hover: #c084cc;
    --primary-light: #d0a3db;
    --primary-pale: #3d2e42;

    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;

    --text-primary: #e5e5e5;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;

    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);

    --success-color: #3dd865;
    --warning-color: #ffd54f;
    --danger-color: #f56565;
    --info-color: #4fc3f7;
}

/* ----------------------------- Layout ---------------------------------- */
html,
body {
    height: 100%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
    background-color: var(--bg-primary);
}

footer {
    flex-shrink: 0;
    background-color: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
}

/* --------------------------- Links ------------------------------------- */
a {
    color: var(--primary-color);
}

a:hover {
    color: var(--primary-hover);
}

/* ---------------------- Bootstrap color overrides ----------------------- */
.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-light {
    background-color: var(--bg-secondary) !important;
}

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

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

/* --------------------------- Cards -------------------------------------- */
.card {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* --------------------------- Tables ------------------------------------- */
.table {
    color: var(--text-primary);
}

.table-light {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

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

/* --------------------------- Buttons ------------------------------------ */
.btn {
    -webkit-tap-highlight-color: rgba(168, 85, 184, 0.18);
}

.btn:active,
.btn:focus:active {
    background-color: var(--primary-light);
}

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

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

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

.btn-outline-primary:hover,
.btn-outline-primary:active,
.btn-outline-primary:focus:active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

.btn-secondary:hover {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

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

/* --------------------- Shared row/action buttons ------------------------ */
/* Keep table and card row actions visually consistent, regardless of whether
   they are links or buttons, icon-only or icon + text. */
.btn-action {
    --bs-btn-padding-y: 0.25rem;
    --bs-btn-padding-x: 0.625rem;
    --bs-btn-font-size: 0.875rem;
    --bs-btn-line-height: 1.5;
    --bs-btn-border-radius: 0.375rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    white-space: nowrap;
}

.btn-action .bi {
    font-size: 1em;
    line-height: 1;
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* --------------------------- Forms -------------------------------------- */
.form-control,
.form-select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(136, 56, 144, 0.25);
}

/* --------------------------- Alerts ------------------------------------- */
.alert {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* --------------------------- Dropdowns ---------------------------------- */
.dropdown-menu {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

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

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

/* --------------------------- Navigation --------------------------------- */
.nav-link {
    color: var(--text-primary);
}

.nav-link:hover {
    color: var(--primary-color);
}

.navbar-dark .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.navbar-dark .nav-link:hover {
    color: white;
}

.theme-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: 0.5rem;
    transition: transform 0.2s;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* --------------------------- Breadcrumbs -------------------------------- */
.breadcrumb {
    background-color: transparent;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

/* --------------------------- Progress ----------------------------------- */
.progress-bar {
    background-color: var(--primary-color) !important;
}

/* --------------------------- List groups -------------------------------- */
.list-group-item-action:hover:not(.active) {
    background-color: var(--bg-tertiary);
}

/* --------------------------- Modal -------------------------------------- */
.modal-content {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

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

.btn-close {
    filter: var(--bs-btn-close-filter, invert(1) grayscale(100%) brightness(200%));
}

[data-theme="light"] .btn-close {
    filter: none;
}