@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    --color-primary: #0f766e;
    --color-primary-light: #14b8a6;
    --color-primary-dark: #0d5f58;
    --color-primary-50: #f0fdfa;
    --color-primary-100: #ccfbf1;

    --color-accent: #6366f1;
    --color-accent-light: #818cf8;

    --color-sidebar: #0f172a;
    --color-sidebar-hover: #1e293b;
    --color-sidebar-active: rgba(15, 118, 110, 0.15);
    --color-sidebar-text: #94a3b8;
    --color-sidebar-text-active: #f0fdfa;
    --color-sidebar-border: #1e293b;

    --color-bg: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-elevated: #ffffff;

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-placeholder: #94a3b8;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --color-success: #059669;
    --color-success-bg: #ecfdf5;
    --color-success-border: #a7f3d0;
    --color-danger: #dc2626;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-warning: #d97706;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #fde68a;
    --color-info: #0284c7;
    --color-info-bg: #f0f9ff;
    --color-info-border: #bae6fd;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --sidebar-width: 260px;
    --sidebar-collapsed: 0px;
    --topbar-height: 0px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 15px;
    position: relative;
    min-height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    html {
        font-size: 15px;
    }
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* ============================================
   LAYOUT: Sidebar + Main Content
   ============================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--color-sidebar);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-slow);
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--color-sidebar-hover) transparent;
}

.app-sidebar::-webkit-scrollbar {
    width: 4px;
}

.app-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb {
    background: var(--color-sidebar-hover);
    border-radius: 4px;
}

.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--color-sidebar-border);
    flex-shrink: 0;
}

.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
}

.sidebar-brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-brand-icon svg {
    width: 20px;
    height: 20px;
    color: #fff;
}

.sidebar-brand-text {
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--color-sidebar-text);
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: 2px;
}

.sidebar-section-label {
    padding: 20px 20px 8px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-placeholder);
}

.sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 4px 8px;
}

.sidebar-nav-item {
    margin-bottom: 2px;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--color-sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

.sidebar-nav-link:hover {
    background: var(--color-sidebar-hover);
    color: #e2e8f0;
}

.sidebar-nav-link.active {
    background: var(--color-sidebar-active);
    color: var(--color-primary-light);
    border-color: rgba(15, 118, 110, 0.25);
}

.sidebar-nav-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar-nav-link:hover svg,
.sidebar-nav-link.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--color-sidebar-border);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-sidebar-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-user-avatar svg {
    width: 16px;
    height: 16px;
    color: var(--color-sidebar-text);
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: #e2e8f0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-action {
    font-size: 0.7rem;
    color: var(--color-sidebar-text);
    text-decoration: none;
    transition: color var(--transition-fast);
    cursor: pointer;
}

.sidebar-user-action:hover {
    color: var(--color-primary-light);
}

/* Main content */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: 0 32px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
    display: block;
}

.app-content {
    flex: 1;
    padding: 28px 32px;
    width: 100%;
}

.app-footer {
    padding: 16px 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    background: var(--color-bg);
}

.app-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.app-footer a:hover {
    text-decoration: underline;
}

/* ============================================
   PAGE HEADERS
   ============================================ */

.page-header {
    margin-bottom: 24px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
    letter-spacing: -0.025em;
    line-height: 1.3;
}

.page-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin-top: 4px;
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
}

@media (min-width: 768px) {
    .page-header-row {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
    }

    .page-header-actions {
        margin-top: 0;
    }
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.card-body {
    padding: 20px;
}

.card-footer {
    border-top: 1px solid var(--color-border);
    padding: 12px 20px;
    background: var(--color-bg);
}

/* ============================================
   TABLES
   ============================================ */

.table-container {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table {
    margin: 0;
    font-size: 0.875rem;
    border-color: var(--color-border-light);
}

.table thead th {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 16px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.table tbody td {
    padding: 12px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
}

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

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: var(--color-primary-50);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: transparent;
}

/* ============================================
   FORMS
   ============================================ */

.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-control,
.form-select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 9px 14px;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg-card);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
    outline: none;
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: not-allowed;
}

.form-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.form-check-input {
    border-color: var(--color-border);
    cursor: pointer;
}

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

.form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-check-label {
    font-size: 0.875rem;
    cursor: pointer;
}

.form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 24px;
}

.form-card .form-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 16px;
    margin-top: 8px;
    border-top: 1px solid var(--color-border-light);
}

.text-danger {
    color: var(--color-danger) !important;
    font-size: 0.8rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    line-height: 1.5;
    border: 1px solid transparent;
}

.btn:focus,
.btn:active:focus {
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
}

.btn svg {
    width: 16px;
    height: 16px;
}

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

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

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

.btn-success:hover,
.btn-success:focus {
    background: #047857;
    border-color: #047857;
    color: #fff;
}

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

.btn-danger:hover,
.btn-danger:focus {
    background: #b91c1c;
    border-color: #b91c1c;
    color: #fff;
}

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

.btn-warning:hover,
.btn-warning:focus {
    background: #b45309;
    border-color: #b45309;
    color: #fff;
}

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

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

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

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

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

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

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

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

.btn-sm {
    font-size: 0.775rem;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
}

.btn-link {
    color: var(--color-primary);
    text-decoration: none;
}

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

/* ============================================
   ALERTS
   ============================================ */

.alert {
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 0.875rem;
    border-width: 1px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-success {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: #065f46;
}

.alert-danger {
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: #991b1b;
}

.alert-warning {
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: #92400e;
}

.alert-info {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: #075985;
}

.alert-heading {
    font-size: 0.95rem;
    font-weight: 600;
}

/* ============================================
   STATUS BADGES
   ============================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.status-badge-active {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.status-badge-inactive {
    background: var(--color-bg);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.status-badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* ============================================
   DATA DETAIL (KEY-VALUE PAIRS)
   ============================================ */

.detail-grid {
    display: grid;
    gap: 0;
}

.detail-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.875rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    flex: 0 0 160px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.detail-value {
    flex: 1;
    color: var(--color-text);
    font-weight: 500;
}

.detail-value code {
    font-family: var(--font-mono);
    font-size: 0.825rem;
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-border);
}

/* ============================================
   FILTER BAR
   ============================================ */

.filter-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.filter-bar .form-control {
    max-width: 220px;
}

.filter-bar-actions {
    margin-left: auto;
}

/* ============================================
   DASHBOARD CARDS
   ============================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.stat-card-icon svg {
    width: 20px;
    height: 20px;
}

.stat-card-icon-primary {
    background: var(--color-primary-100);
    color: var(--color-primary);
}

.stat-card-icon-accent {
    background: #ede9fe;
    color: var(--color-accent);
}

.stat-card-icon-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.stat-card-icon-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.stat-card-label {
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

/* ============================================
   QUICK LINKS
   ============================================ */

.quick-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.quick-link:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    color: var(--color-text);
    transform: translateY(-1px);
}

.quick-link-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.quick-link-icon svg {
    width: 20px;
    height: 20px;
}

.quick-link-text {
    flex: 1;
}

.quick-link-title {
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.quick-link-desc {
    font-size: 0.775rem;
    color: var(--color-text-muted);
}

.quick-link-arrow {
    color: var(--color-text-placeholder);
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.quick-link-arrow svg {
    width: 16px;
    height: 16px;
}

.quick-link:hover .quick-link-arrow {
    transform: translateX(3px);
    color: var(--color-primary);
}

/* ============================================
   PAYMENT RESULT PAGES
   ============================================ */

.payment-result {
    max-width: 560px;
    margin: 40px auto;
}

.result-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.result-icon svg {
    width: 32px;
    height: 32px;
}

.result-icon-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 2px solid var(--color-success-border);
}

.result-icon-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 2px solid var(--color-danger-border);
}

.result-title {
    font-size: 1.35rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.result-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.result-help {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.825rem;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border-light);
}

/* ============================================
   COPY BUTTON
   ============================================ */

.copy-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 10px 8px 14px;
    font-family: var(--font-mono);
    font-size: 0.825rem;
}

.copy-wrap code {
    flex: 1;
    word-break: break-all;
    background: none;
    padding: 0;
    border: none;
    color: var(--color-text);
}

.copy-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.copy-btn:hover {
    color: var(--color-primary);
    background: var(--color-primary-50);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
    display: block;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-muted);
}

.empty-state svg {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state-text {
    font-size: 0.875rem;
}

/* ============================================
   SECTION DIVIDER
   ============================================ */

.section-label {
    font-size: 0.775rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

/* ============================================
   PERMISSIONS DISPLAY
   ============================================ */

.perm-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.725rem;
    font-weight: 500;
    font-family: var(--font-mono);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    margin-right: 4px;
    margin-bottom: 4px;
}

/* ============================================
   URL DISPLAY
   ============================================ */

.url-cell {
    font-family: var(--font-mono);
    font-size: 0.775rem;
    color: var(--color-text-secondary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   BREADCRUMB / NAV CONTEXT
   ============================================ */

.page-breadcrumb {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.page-breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
}

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

.page-breadcrumb span {
    margin: 0 6px;
    opacity: 0.5;
}

/* ============================================
   UTILITIES
   ============================================ */

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 0.75rem;
}

/* ============================================
   OVERLAY (mobile sidebar)
   ============================================ */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1030;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.sidebar-overlay.show {
    opacity: 1;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
        pointer-events: auto;
    }

    .app-main {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .app-content {
        padding: 20px 16px;
    }

    .app-topbar {
        padding: 0 16px;
    }

    .app-footer {
        padding: 16px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-bar .form-control,
    .filter-bar .form-select {
        max-width: 100%;
    }

    .filter-bar-actions {
        margin-left: 0;
    }

    /* Topbar title truncation on tablet/mobile */
    .topbar-left {
        min-width: 0;
        flex: 1;
        overflow: hidden;
    }

    .topbar-left .page-title {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 100%;
    }

    /* Dashboard header form: allow wrapping */
    .dashboard-header-form {
        flex-wrap: wrap !important;
    }

    .dashboard-header-form .form-select,
    .dashboard-header-form .btn {
        width: auto;
        min-width: 0;
        flex: 1 1 120px;
        max-width: 100%;
    }
}

@media (max-width: 767.98px) {
    /* Dashboard header form: fully wrap on small tablets/phones */
    .dashboard-header-form {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    .dashboard-header-form .form-select,
    .dashboard-header-form .btn {
        width: 100% !important;
        flex: none !important;
    }
}

@media (max-width: 575.98px) {
    .page-title {
        font-size: 1.25rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .detail-row {
        flex-direction: column;
        gap: 2px;
    }

    .detail-label {
        flex: none;
        font-size: 0.775rem;
    }

    /* Form card padding reduction on small screens */
    .form-card {
        padding: 16px;
    }

    /* Form actions: wrap buttons on small screens */
    .form-card .form-actions {
        flex-wrap: wrap;
    }

    .form-card .form-actions .btn {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* Payment result padding */
    .payment-result {
        padding-left: 16px;
        padding-right: 16px;
    }

    /* Pagination wrapping */
    .table-container > div[style*="justify-content:center"] {
        flex-wrap: wrap;
    }

    /* Table stack: card layout for list tables on mobile */
    .table-responsive-stack thead {
        display: none;
    }

    .table-responsive-stack tbody tr {
        display: block;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        background: var(--color-bg-card);
        box-shadow: var(--shadow-sm);
    }

    .table-responsive-stack tbody td {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 8px;
        padding: 9px 14px;
        border-bottom: 1px solid var(--color-border-light);
    }

    .table-responsive-stack tbody td:last-child {
        border-bottom: none;
    }

    .table-responsive-stack tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.72rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--color-text-secondary);
        flex: 0 0 auto;
        padding-top: 2px;
        white-space: nowrap;
    }

    /* Action cells: stack buttons */
    .table-responsive-stack tbody td[data-label="Actions"] {
        flex-wrap: wrap;
        gap: 6px;
    }

    .table-responsive-stack tbody td[data-label="Actions"]::before {
        display: none;
    }

    .table-responsive-stack tbody td[data-label="Actions"] > * {
        flex: 0 0 auto;
    }

    /* Empty state row inside stack table */
    .table-responsive-stack tbody tr.empty-row {
        border: none;
        background: transparent;
        box-shadow: none;
    }

    /* Copy wrap: don't overflow on narrow screens */
    .copy-wrap {
        flex-wrap: wrap;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        animation: fadeIn var(--transition-slow) ease-out;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(6px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .alert {
        animation: slideIn var(--transition-slow) ease-out;
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

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

/* ============================================
   CODE ELEMENTS
   ============================================ */

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--color-bg);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
}

/* ============================================
   CHECKBOX GROUP (PERMISSIONS)
   ============================================ */

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
}

.checkbox-group .form-check {
    margin: 0;
}

.checkbox-group .form-check-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* ============================================
   LINKS
   ============================================ */

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

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

/* ============================================
   SELECTION
   ============================================ */

::selection {
    background: var(--color-primary-100);
    color: var(--color-primary-dark);
}