/* ============================================================================
   SportCompiler - Black Dashboard Inspired Theme
   Inspired by Creative Tim "Black Dashboard" design language.
   Dark-first design with blue accent. NO pink as primary.
   ============================================================================ */

/* ==========================================================================
   1. Google Fonts Import (Poppins)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ==========================================================================
   2. CSS Custom Properties - Theme Variables
   ========================================================================== */

/* Light theme (default) */
:root,
[data-theme="light"] {
    --bg-primary: #f5f6fa;
    --bg-secondary: #ffffff;
    --bg-sidebar: #1d1d2b;
    --bg-card: #ffffff;
    --text-primary: #344675;
    --text-secondary: #9a9a9a;
    --text-sidebar: #9a9a9a;
    --border-color: #e3e3e3;
    --card-shadow: 0 1px 20px 0 rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --input-border: #e3e3e3;
    --input-text: #344675;
    --table-stripe: transparent;
    --hover-bg: rgba(0, 0, 0, 0.04);
    --accent: #1d8cf8;
    --accent-hover: #1773d0;
    --accent-rgb: 29, 140, 248;
    --success: #00bf9a;
    --danger: #fd5d93;
    --warning: #ff8d72;
    --info: #1d8cf8;
    --navbar-bg: #ffffff;
    --toprow-border: #e3e3e3;
    --sidebar-gradient-start: #1d1d2b;
    --sidebar-gradient-end: #1a1a28;
    --scrollbar-track: #f1f1f1;
    --scrollbar-thumb: #c1c1c1;
    --scrollbar-thumb-hover: #a1a1a1;
    --code-bg: #f0f0f5;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #1e1e2f;
    --bg-secondary: #27293d;
    --bg-sidebar: #1d1d2b;
    --bg-card: #27293d;
    --text-primary: rgba(255, 255, 255, 0.8);
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-sidebar: #9a9a9a;
    --border-color: #2b3553;
    --card-shadow: 0 1px 20px 0 rgba(0, 0, 0, 0.3);
    --input-bg: #27293d;
    --input-border: #2b3553;
    --input-text: rgba(255, 255, 255, 0.8);
    --table-stripe: transparent;
    --hover-bg: rgba(255, 255, 255, 0.05);
    --accent: #1d8cf8;
    --accent-hover: #1773d0;
    --accent-rgb: 29, 140, 248;
    --success: #00bf9a;
    --danger: #fd5d93;
    --warning: #ff8d72;
    --info: #1d8cf8;
    --navbar-bg: #27293d;
    --toprow-border: #2b3553;
    --sidebar-gradient-start: #1d1d2b;
    --sidebar-gradient-end: #15152a;
    --scrollbar-track: #1e1e2f;
    --scrollbar-thumb: #2b3553;
    --scrollbar-thumb-hover: #344675;
    --code-bg: #1e1e2f;
}

/* ==========================================================================
   3. Base Styles
   ========================================================================== */

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-weight: 300;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
h5 { font-size: 0.95rem; }
h6 { font-size: 0.85rem; }

p {
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.7;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: none;
}

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

::selection {
    background-color: rgba(var(--accent-rgb), 0.3);
    color: var(--text-primary);
}

/* ==========================================================================
   4. Layout (.page, main, .sidebar, .top-row, .content)
   ========================================================================== */

.page {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s ease;
}

main {
    flex: 1;
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease;
}

/* ---------- Sidebar ---------- */
.sidebar {
    background: linear-gradient(180deg, var(--sidebar-gradient-start) 0%, var(--sidebar-gradient-end) 100%);
    color: var(--text-sidebar);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 10;
    transition: background 0.3s ease;
}

.sidebar .nav-item {
    padding: 0;
}

.sidebar .nav-item a,
.sidebar .nav-link,
.sidebar a {
    color: var(--text-sidebar);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border-radius: 0.4285rem;
    margin: 0.15rem 0.75rem;
    transition: all 0.25s ease;
    text-decoration: none;
    white-space: nowrap;
}

.sidebar .nav-item a:hover,
.sidebar .nav-link:hover,
.sidebar a:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}

.sidebar .nav-item a.active,
.sidebar .nav-link.active,
.sidebar a.active {
    color: #ffffff;
    background-color: rgba(var(--accent-rgb), 0.15);
}

.sidebar .nav-item a.active::before,
.sidebar .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background-color: var(--accent);
    border-radius: 0 3px 3px 0;
}

.sidebar .brand-logo,
.sidebar .top-row {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 0.5rem;
}

.sidebar .brand-logo a,
.sidebar .top-row a {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0;
    margin: 0;
}

.sidebar .brand-logo a:hover,
.sidebar .top-row a:hover {
    background-color: transparent;
}

.sidebar .oi {
    width: 1.25rem;
    font-size: 1.1rem;
    text-align: center;
    opacity: 0.8;
}

.sidebar .nav-item:first-of-type {
    padding-top: 0;
}

/* ---------- Top Row / Navbar ---------- */
.top-row {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--toprow-border);
    justify-content: flex-end;
    height: 3.5rem;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    z-index: 5;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(10px);
}

.top-row a,
.top-row .nav-link {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

.top-row a:hover,
.top-row .nav-link:hover {
    color: var(--text-primary);
}

/* ---------- Content Area ---------- */
.content {
    padding: 1.5rem;
}

/* ==========================================================================
   5. Cards
   ========================================================================== */

.card {
    background-color: var(--bg-card);
    border: none;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: 0 2px 30px 0 rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 2px 30px 0 rgba(0, 0, 0, 0.4);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    margin-bottom: 0;
}

.card-body {
    padding: 1.25rem;
    color: var(--text-primary);
}

.card-body p {
    color: var(--text-secondary);
}

.card-footer {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--text-secondary);
    font-weight: 300;
}

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

/* Card with blue header accent */
.card-chart .card-header,
.card-header.bg-primary,
.card-header.card-header-primary {
    background: linear-gradient(135deg, #344675 0%, #263148 100%);
    color: #ffffff;
    border-bottom: none;
}

/* Stat cards - icon area */
.card .card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: #ffffff;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.3);
}

/* ==========================================================================
   6. Tables
   ========================================================================== */

.table {
    color: var(--text-primary);
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    margin-bottom: 1rem;
}

.table > :not(caption) > * > * {
    background-color: transparent;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 0.75rem;
    vertical-align: middle;
    transition: background-color 0.15s ease;
}

.table > thead > tr > th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom-width: 1px;
    border-top: none;
    padding: 0.75rem;
    white-space: nowrap;
}

.table > tbody > tr:last-child > td {
    border-bottom: none;
}

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

.table-striped > tbody > tr:nth-of-type(odd) {
    --bs-table-striped-bg: var(--table-stripe);
    --bs-table-striped-color: var(--text-primary);
}

.table-bordered {
    border: 1px solid var(--border-color);
}

.table-bordered > :not(caption) > * > * {
    border-width: 0 0 1px 0;
}

/* Responsive table wrapper */
.table-responsive {
    border-radius: 15px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ==========================================================================
   7. Form Controls
   ========================================================================== */

.form-control,
.form-select {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    border-radius: 0.4285rem;
    padding: 0.6rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 1.5;
    transition: all 0.25s ease;
}

.form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    color: var(--input-text);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
    outline: none;
}

.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
    background-color: var(--hover-bg);
    opacity: 0.7;
    cursor: not-allowed;
}

/* Select dropdown arrow color fix for dark mode */
[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239a9a9a' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.form-label {
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.form-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Checkboxes and Radios */
.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    transition: all 0.2s ease;
}

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

.form-check-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.form-check-label {
    color: var(--text-primary);
    font-weight: 300;
}

/* Input groups */
.input-group-text {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-radius: 0.4285rem;
}

/* Form floating labels */
.form-floating > label {
    color: var(--text-secondary);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--accent);
}

/* ==========================================================================
   8. Buttons (Override Bootstrap Defaults)
   ========================================================================== */

.btn {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    border-radius: 0.4285rem;
    padding: 0.5rem 1.25rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-transform: none;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn:focus,
.btn:active:focus {
    box-shadow: none;
    outline: none;
}

/* Primary */
.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #125ea8 100%);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(var(--accent-rgb), 0.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(var(--accent-rgb), 0.3);
}

/* Outline Primary */
.btn-outline-primary {
    color: var(--accent);
    border: 1px solid var(--accent);
    background-color: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.3);
}

/* Success */
.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #00a884 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 191, 154, 0.3);
}

.btn-success:hover,
.btn-success:focus {
    background: linear-gradient(135deg, #00a884 0%, #008f6f 100%);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(0, 191, 154, 0.4);
    transform: translateY(-1px);
}

/* Danger */
.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #e04477 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(253, 93, 147, 0.3);
}

.btn-danger:hover,
.btn-danger:focus {
    background: linear-gradient(135deg, #e04477 0%, #c73060 100%);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(253, 93, 147, 0.4);
    transform: translateY(-1px);
}

/* Outline Danger */
.btn-outline-danger {
    color: var(--danger);
    border: 1px solid var(--danger);
    background-color: transparent;
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
    background-color: var(--danger);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(253, 93, 147, 0.3);
}

/* Warning */
.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #e07a5f 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(255, 141, 114, 0.3);
}

.btn-warning:hover,
.btn-warning:focus {
    background: linear-gradient(135deg, #e07a5f 0%, #c96a50 100%);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(255, 141, 114, 0.4);
    transform: translateY(-1px);
}

/* Info */
.btn-info {
    background: linear-gradient(135deg, var(--info) 0%, var(--accent-hover) 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.3);
}

.btn-info:hover,
.btn-info:focus {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #125ea8 100%);
    color: #ffffff;
    box-shadow: 0 6px 15px rgba(var(--accent-rgb), 0.4);
    transform: translateY(-1px);
}

/* Secondary / Default */
.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

[data-theme="dark"] .btn-secondary {
    background-color: #2b3553;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid #2b3553;
}

[data-theme="dark"] .btn-secondary:hover,
[data-theme="dark"] .btn-secondary:focus {
    background-color: #344675;
    color: #ffffff;
}

/* Link style button */
.btn-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 400;
    padding: 0;
    border: none;
    background: none;
}

.btn-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Button sizes */
.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.78rem;
    border-radius: 0.35rem;
}

.btn-lg {
    padding: 0.7rem 1.75rem;
    font-size: 1rem;
    border-radius: 0.5rem;
}

/* Button groups */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: 0.4285rem 0 0 0.4285rem;
}

.btn-group .btn:last-child {
    border-radius: 0 0.4285rem 0.4285rem 0;
}

/* ==========================================================================
   9. Badges
   ========================================================================== */

.badge {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.72rem;
    padding: 0.35em 0.75em;
    border-radius: 50rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
}

.badge-active,
.badge.bg-success,
.badge.text-bg-success {
    background-color: rgba(0, 191, 154, 0.15) !important;
    color: var(--success) !important;
}

.badge-inactive,
.badge.bg-danger,
.badge.text-bg-danger {
    background-color: rgba(253, 93, 147, 0.15) !important;
    color: var(--danger) !important;
}

.badge.bg-primary,
.badge.text-bg-primary {
    background-color: rgba(var(--accent-rgb), 0.15) !important;
    color: var(--accent) !important;
}

.badge.bg-warning,
.badge.text-bg-warning {
    background-color: rgba(255, 141, 114, 0.15) !important;
    color: var(--warning) !important;
}

.badge.bg-info,
.badge.text-bg-info {
    background-color: rgba(var(--accent-rgb), 0.15) !important;
    color: var(--info) !important;
}

.badge.bg-secondary,
.badge.text-bg-secondary {
    background-color: rgba(154, 154, 154, 0.15) !important;
    color: var(--text-secondary) !important;
}

/* ==========================================================================
   10. Alerts
   ========================================================================== */

.alert {
    border: none;
    border-radius: 0.4285rem;
    padding: 0.85rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 400;
    position: relative;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: rgba(0, 191, 154, 0.12);
    color: var(--success);
    border-left: 4px solid var(--success);
}

.alert-danger {
    background-color: rgba(253, 93, 147, 0.12);
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background-color: rgba(255, 141, 114, 0.12);
    color: var(--warning);
    border-left: 4px solid var(--warning);
}

.alert-info {
    background-color: rgba(var(--accent-rgb), 0.12);
    color: var(--accent);
    border-left: 4px solid var(--accent);
}

.alert-primary {
    background-color: rgba(var(--accent-rgb), 0.12);
    color: var(--accent);
    border-left: 4px solid var(--accent);
}

.alert .btn-close {
    filter: brightness(0.5);
}

[data-theme="dark"] .alert .btn-close {
    filter: brightness(2);
}

/* ==========================================================================
   11. Login Container
   ========================================================================== */

.login-container {
    max-width: 420px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    background-color: var(--bg-card);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    border: none;
    position: relative;
}

/* Center the login card vertically and horizontally */
.content:has(> .login-container) {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: calc(100vh - 3.5rem);
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 15px 15px 0 0;
}

.login-container h2,
.login-container h3 {
    text-align: center;
    margin-bottom: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.login-container .form-control {
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.login-container .btn-primary {
    width: 100%;
    padding: 0.7rem;
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.login-container .form-label {
    font-size: 0.78rem;
}

/* ==========================================================================
   12. Responsive Media Queries
   ========================================================================== */

@media (min-width: 768px) {
    .page {
        flex-direction: row;
    }

    .sidebar {
        width: 260px;
        height: 100vh;
        position: sticky;
        top: 0;
        flex-shrink: 0;
    }

    .top-row {
        position: sticky;
        top: 0;
        z-index: 5;
    }

    .content {
        padding: 1.75rem 2rem;
    }
}

@media (max-width: 767.98px) {
    html {
        font-size: 13px;
    }

    .page {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .sidebar .nav-item a,
    .sidebar .nav-link,
    .sidebar a {
        padding: 0.6rem 1.25rem;
        margin: 0.1rem 0.5rem;
        font-size: 0.82rem;
    }

    .content {
        padding: 1rem;
    }

    .top-row {
        height: 3rem;
        padding: 0 1rem;
    }

    .card {
        border-radius: 10px;
        margin-bottom: 1rem;
    }

    .login-container {
        max-width: 100%;
        margin: 1.5rem 1rem;
        padding: 2rem 1.5rem;
        border-radius: 10px;
    }

    .table-responsive {
        border-radius: 10px;
    }

    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.35rem; }
    h3 { font-size: 1.15rem; }

    .btn {
        padding: 0.45rem 1rem;
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .content {
        padding: 0.75rem;
    }

    .login-container {
        margin: 1rem 0.5rem;
        padding: 1.75rem 1.25rem;
    }

    .card-body {
        padding: 1rem;
    }
}

/* ==========================================================================
   13. Validation Styles
   ========================================================================== */

.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--success);
}

.valid.modified:not([type=checkbox]):focus {
    box-shadow: 0 0 0 3px rgba(0, 191, 154, 0.15);
}

.invalid {
    outline: none;
    border-color: var(--danger) !important;
}

.invalid:focus {
    box-shadow: 0 0 0 3px rgba(253, 93, 147, 0.15) !important;
}

.validation-message {
    color: var(--danger);
    font-size: 0.78rem;
    margin-top: 0.25rem;
    font-weight: 400;
}

.validation-summary-errors {
    color: var(--danger);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background-color: rgba(253, 93, 147, 0.08);
    border-radius: 0.4285rem;
    border-left: 4px solid var(--danger);
}

.validation-summary-errors ul {
    margin-bottom: 0;
    padding-left: 1.25rem;
}

/* ==========================================================================
   14. Blazor Error UI
   ========================================================================== */

#blazor-error-ui {
    background-color: var(--bg-card);
    color: var(--danger);
    bottom: 0;
    box-shadow: 0 -2px 20px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.75rem 1.5rem;
    position: fixed;
    width: 100%;
    z-index: 9999;
    font-size: 0.875rem;
    border-top: 3px solid var(--danger);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 0.6rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

#blazor-error-ui .dismiss:hover {
    color: var(--text-primary);
}

.blazor-error-boundary {
    background: rgba(253, 93, 147, 0.08);
    padding: 1.25rem 1.5rem;
    color: var(--danger);
    border-radius: 0.4285rem;
    border: 1px solid rgba(253, 93, 147, 0.2);
    margin: 1rem 0;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
    font-weight: 500;
}

/* Loading progress */
.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: var(--accent);
    stroke-width: 3px;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--accent);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: 600;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
    color: var(--text-secondary);
}

.loading-progress-text::after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* ==========================================================================
   15. Scrollbar Styling
   ========================================================================== */

/* Scrollbar for WebKit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--scrollbar-thumb-hover);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

/* Sidebar-specific scrollbar */
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   16. Utility Classes
   ========================================================================== */

/* Text utilities */
.text-muted {
    color: var(--text-secondary) !important;
}

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

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

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

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

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

/* Background utilities */
.bg-card {
    background-color: var(--bg-card) !important;
}

.bg-primary-theme {
    background-color: var(--bg-primary) !important;
}

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

/* Spacing helper */
.section-gap {
    margin-bottom: 2rem;
}

/* Divider line */
.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 1.5rem 0;
    border: none;
}

/* Fade in animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.35s ease forwards;
}

/* Slide up animation */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.4s ease forwards;
}

/* Pulse animation for loading states */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.5; }
}

.pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Skeleton loader */
.skeleton {
    background: linear-gradient(90deg, var(--hover-bg) 25%, transparent 50%, var(--hover-bg) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 0.4285rem;
}

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Card-like container utility */
.panel {
    background-color: var(--bg-card);
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    padding: 1.25rem;
    transition: all 0.3s ease;
}

/* Truncate text */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* No-select */
.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* Cursor pointer */
.pointer {
    cursor: pointer;
}

/* Hide scrollbar but keep scrollable */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* Code blocks */
code, pre {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.85em;
}

code {
    background-color: var(--code-bg);
    color: var(--accent);
    padding: 0.15em 0.4em;
    border-radius: 0.25rem;
}

pre {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.4285rem;
    padding: 1rem;
    overflow-x: auto;
    color: var(--text-primary);
}

pre code {
    background-color: transparent;
    padding: 0;
}

/* Dropdown menus */
.dropdown-menu {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.4285rem;
    box-shadow: var(--card-shadow);
    padding: 0.35rem 0;
}

.dropdown-item {
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 0.45rem 1rem;
    transition: all 0.15s ease;
}

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

.dropdown-item.active,
.dropdown-item:active {
    background-color: rgba(var(--accent-rgb), 0.12);
    color: var(--accent);
}

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

/* Modal overrides */
.modal-content {
    background-color: var(--bg-card);
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.modal-header .modal-title {
    font-weight: 600;
    color: var(--text-primary);
}

.modal-header .btn-close {
    filter: brightness(0.5);
}

[data-theme="dark"] .modal-header .btn-close {
    filter: brightness(2) invert(0);
}

.modal-body {
    padding: 1.5rem;
    color: var(--text-primary);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.modal-backdrop.show {
    opacity: 0.6;
}

/* Pagination */
.page-link {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 0.45rem 0.8rem;
    transition: all 0.2s ease;
}

.page-link:hover {
    background-color: var(--hover-bg);
    border-color: var(--border-color);
    color: var(--accent);
}

.page-item.active .page-link {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.3);
}

.page-item.disabled .page-link {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Toast overrides */
.toast {
    background-color: var(--bg-card);
    border: none;
    border-radius: 0.4285rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.toast-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.toast-body {
    color: var(--text-primary);
}

/* Nav tabs */
.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.6rem 1rem;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
}

.nav-tabs .nav-link.active {
    color: var(--accent);
    background-color: transparent;
    border-color: transparent;
    border-bottom: 2px solid var(--accent);
}

/* Nav pills */
.nav-pills .nav-link {
    color: var(--text-secondary);
    border-radius: 0.4285rem;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.nav-pills .nav-link:hover {
    color: var(--text-primary);
    background-color: var(--hover-bg);
}

.nav-pills .nav-link.active {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.3);
}

/* List group */
.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.list-group-item:hover {
    background-color: var(--hover-bg);
}

.list-group-item.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

/* Progress bar */
.progress {
    background-color: var(--hover-bg);
    border-radius: 50rem;
    height: 0.5rem;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    border-radius: 50rem;
    transition: width 0.4s ease;
}

/* Tooltip overrides */
.tooltip-inner {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 0.4285rem;
    font-size: 0.78rem;
    padding: 0.4rem 0.65rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

/* Popover overrides */
.popover {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.4285rem;
    box-shadow: var(--card-shadow);
}

.popover-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
}

.popover-body {
    color: var(--text-primary);
}

/* Accordion */
.accordion-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
}

.accordion-button {
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-weight: 500;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(var(--accent-rgb), 0.08);
    color: var(--accent);
    box-shadow: none;
}

.accordion-button:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.accordion-body {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

.breadcrumb-item a {
    color: var(--accent);
}

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

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

/* Spinner */
.spinner-border {
    color: var(--accent);
}

.spinner-grow {
    color: var(--accent);
}

/* Close button for dark theme */
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Transition helper for theme switching */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}