/* ============================================
   GM-Relay Design System v2.0.0
   Dark RPG Dashboard Theme — Refined
   ============================================ */

/* === CSS Custom Properties === */
:root {
    /* Background — deeper, richer darks */
    --bg-primary: #050810;
    --bg-secondary: #0a0f1c;
    --bg-card: rgba(10, 15, 28, 0.75);
    --bg-card-hover: rgba(15, 22, 40, 0.9);
    --bg-surface: rgba(255, 255, 255, 0.035);
    --bg-input: rgba(255, 255, 255, 0.05);

    /* Accent — sharper, more vibrant */
    --accent-primary: #8b5cf6;
    --accent-primary-hover: #7c3aed;
    --accent-secondary: #22d3ee;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #22d3ee 100%);
    --accent-gradient-hover: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);

    /* Text */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #a78bfa;

    /* Status */
    --status-success: #22c55e;
    --status-success-bg: rgba(34, 197, 94, 0.12);
    --status-warning: #f59e0b;
    --status-warning-bg: rgba(245, 158, 11, 0.12);
    --status-danger: #ef4444;
    --status-danger-bg: rgba(239, 68, 68, 0.12);
    --status-info: #22d3ee;
    --status-info-bg: rgba(34, 211, 238, 0.12);
    --status-neutral: #64748b;
    --status-neutral-bg: rgba(100, 116, 139, 0.12);

    /* Border */
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(139, 92, 246, 0.35);

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 24px rgba(139, 92, 246, 0.18);
    --shadow-glow-hover: 0 0 36px rgba(139, 92, 246, 0.3);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transition */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Sidebar */
    --sidebar-width: 260px;

    /* Telegram Mini App safe areas */
    --gm-tg-safe-top: var(--tg-safe-area-inset-top, env(safe-area-inset-top, 0px));
    --gm-tg-safe-right: var(--tg-safe-area-inset-right, env(safe-area-inset-right, 0px));
    --gm-tg-safe-bottom: var(--tg-safe-area-inset-bottom, env(safe-area-inset-bottom, 0px));
    --gm-tg-safe-left: var(--tg-safe-area-inset-left, env(safe-area-inset-left, 0px));
    --gm-tg-content-safe-top: var(--tg-content-safe-area-inset-top, 0px);
    --gm-tg-content-safe-right: var(--tg-content-safe-area-inset-right, 0px);
    --gm-tg-content-safe-bottom: var(--tg-content-safe-area-inset-bottom, 0px);
    --gm-tg-content-safe-left: var(--tg-content-safe-area-inset-left, 0px);
    --gm-mini-app-top-inset: calc(var(--gm-tg-safe-top, 0px) + var(--gm-tg-content-safe-top, 0px));
    --gm-mini-app-bottom-inset: calc(var(--gm-tg-safe-bottom, 0px) + var(--gm-tg-content-safe-bottom, 0px));
    --gm-mini-app-left-inset: calc(var(--gm-tg-safe-left, 0px) + var(--gm-tg-content-safe-left, 0px));
    --gm-mini-app-right-inset: calc(var(--gm-tg-safe-right, 0px) + var(--gm-tg-content-safe-right, 0px));
    --gm-tg-viewport-height: 100dvh;
}

/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html, body {
    font-family: 'Jura', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Atmospheric background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(34, 211, 238, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 90%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
    animation: atmosphere-drift 25s ease-in-out infinite alternate;
}

@keyframes atmosphere-drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-2%, 1%) scale(1.02); }
}

/* Subtle grain overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Cinzel', 'Cinzel Decorative', serif;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin-top: 0;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

h1:focus { outline: none; }

p { line-height: 1.7; }

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

a:hover {
    color: #67e8f9;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.22);
}

/* === Glass Card === */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, transparent 40%, transparent 60%, rgba(34, 211, 238, 0.1) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.glass-card:hover::before {
    opacity: 1;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow-hover);
    transform: translateY(-3px);
}

/* === Buttons === */
.btn-gm {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Jura', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.btn-gm-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 16px rgba(139, 92, 246, 0.35);
}

.btn-gm-primary:hover {
    background: var(--accent-gradient-hover);
    box-shadow: 0 4px 24px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
    color: white;
}

.btn-gm-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 8px rgba(139, 92, 246, 0.3);
}

.btn-gm-success {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    box-shadow: 0 2px 16px rgba(34, 197, 94, 0.3);
}

.btn-gm-success:hover {
    box-shadow: 0 4px 24px rgba(34, 197, 94, 0.45);
    transform: translateY(-2px);
    color: white;
}

.btn-gm-success:active {
    transform: translateY(0);
}

.btn-gm-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-gm-outline:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--glass-border);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.1);
}

.btn-gm-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 2px 12px rgba(239, 68, 68, 0.25);
}

.btn-gm-danger:hover {
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
    transform: translateY(-2px);
    color: white;
}

.btn-gm-danger:active {
    transform: translateY(0);
}

.btn-gm[disabled],
.btn-gm:disabled {
    opacity: 0.45;
    pointer-events: none;
}

/* === Status Badges === */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
    font-family: 'Jura', sans-serif;
}

.status-badge::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-success {
    background: var(--status-success-bg);
    color: var(--status-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}
.status-success::before { background: var(--status-success); box-shadow: 0 0 6px var(--status-success); }

.status-warning {
    background: var(--status-warning-bg);
    color: var(--status-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.status-warning::before { background: var(--status-warning); box-shadow: 0 0 6px var(--status-warning); }

.status-danger {
    background: var(--status-danger-bg);
    color: var(--status-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.status-danger::before { background: var(--status-danger); box-shadow: 0 0 6px var(--status-danger); }

.status-info {
    background: var(--status-info-bg);
    color: var(--status-info);
    border: 1px solid rgba(34, 211, 238, 0.2);
}
.status-info::before { background: var(--status-info); box-shadow: 0 0 6px var(--status-info); }

.status-neutral {
    background: var(--status-neutral-bg);
    color: var(--status-neutral);
    border: 1px solid rgba(100, 116, 139, 0.2);
}
.status-neutral::before { background: var(--status-neutral); }

/* === Form Controls === */
.gm-form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Jura', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    outline: none;
    letter-spacing: 0.01em;
}

.gm-form-control:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12);
    background: rgba(255, 255, 255, 0.07);
}

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

.gm-form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
    font-family: 'Jura', sans-serif;
}

.gm-form-hint {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.gm-form-group {
    margin-bottom: 1.25rem;
}

/* Override Blazor InputText styling */
.form-control,
input[type="text"],
input[type="datetime-local"],
input[type="email"],
input[type="url"],
input[type="number"],
textarea,
select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    font-family: 'Jura', sans-serif !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    padding: 0.625rem 0.875rem !important;
    transition: all var(--transition-normal) !important;
    letter-spacing: 0.01em !important;
}

.form-control:focus,
input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.12) !important;
    background: rgba(255, 255, 255, 0.07) !important;
    outline: none !important;
}

/* Color scheme for date/time pickers */
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(0.65);
}

select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* === Tables === */
.gm-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.875rem;
    font-family: 'Jura', sans-serif;
}

.gm-table thead th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    font-family: 'Jura', sans-serif;
}

.gm-table tbody td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.gm-table tbody tr:hover {
    background: var(--bg-surface);
}

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

.session-table-desktop {
    overflow-x: auto;
    overflow-y: hidden;
}

.session-table-desktop-card {
    padding: 0;
}

.session-table-desktop .gm-table {
    min-width: 760px;
}

.session-table-desktop .gm-table th:last-child,
.session-table-desktop .gm-table td:last-child {
    width: 8.5rem;
    min-width: 8.5rem;
}

.session-join-link {
    display: inline-block;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.session-table-actions .btn-gm {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    white-space: nowrap;
}

/* === Alerts === */
.gm-alert {
    padding: 0.875rem 1.125rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

.gm-alert-info {
    background: var(--status-info-bg);
    border: 1px solid rgba(34, 211, 238, 0.15);
    color: var(--status-info);
}

.gm-alert-danger {
    background: var(--status-danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: var(--status-danger);
}

.gm-alert-success {
    background: var(--status-success-bg);
    border: 1px solid rgba(34, 197, 94, 0.15);
    color: var(--status-success);
}

/* === Breadcrumb === */
.gm-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    font-size: 0.8125rem;
    font-family: 'Jura', sans-serif;
    position: relative;
    z-index: 2;
}

.gm-breadcrumb li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

.gm-breadcrumb li + li::before {
    content: '›';
    color: var(--text-muted);
    font-size: 1rem;
}

.gm-breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.gm-breadcrumb a:hover {
    color: var(--accent-secondary);
}

.gm-breadcrumb .active {
    color: var(--text-primary);
    font-weight: 600;
}

/* === Loading Skeleton === */
.skeleton {
    background: linear-gradient(90deg,
        var(--bg-surface) 25%,
        rgba(255, 255, 255, 0.06) 50%,
        var(--bg-surface) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton-card {
    height: 160px;
    border-radius: var(--radius-lg);
}

.skeleton-text {
    height: 1rem;
    width: 60%;
    margin-bottom: 0.5rem;
}

.skeleton-text-sm {
    height: 0.75rem;
    width: 40%;
}

/* === Empty State === */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: 'Cinzel', serif;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    max-width: 320px;
    line-height: 1.6;
}

/* === Page Container === */
.page-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem;
    animation: fadeIn 0.5s ease-out;
    position: relative;
    z-index: 2;
}

.page-header {
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.page-header h2 {
    font-size: 1.375rem;
    margin-bottom: 0.25rem;
    font-family: 'Cinzel', serif;
    font-weight: 700;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
    font-family: 'Jura', sans-serif;
}

/* === Grid === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    position: relative;
    z-index: 2;
}

/* === Batch bulk operations === */
.batch-bulk-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.batch-bulk-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    position: relative;
    z-index: 2;
    transition: all var(--transition-smooth);
}

.batch-bulk-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.batch-bulk-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.batch-bulk-header h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    overflow-wrap: anywhere;
    font-family: 'Cinzel', serif;
}

.batch-bulk-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.batch-bulk-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.batch-bulk-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1rem 0;
}

.batch-clone-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1rem;
}

.batch-clone-row .btn-gm {
    white-space: nowrap;
}

/* === Campaign templates === */
.campaign-template-panel {
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.campaign-template-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.campaign-template-list {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.campaign-template-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, auto);
    gap: 1rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.campaign-template-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.campaign-template-info h3 {
    font-size: 0.9375rem;
    margin-bottom: 0.25rem;
    overflow-wrap: anywhere;
    font-family: 'Cinzel', serif;
}

.campaign-template-info p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.campaign-template-actions {
    display: grid;
    grid-template-columns: minmax(190px, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.template-group-selector {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.template-management-row {
    grid-template-columns: minmax(0, 1fr) auto;
}

.template-management-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.empty-state-compact {
    padding: 1.5rem 1rem;
}

/* === Animations === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 15px rgba(139, 92, 246, 0.12); }
    50% { box-shadow: 0 0 28px rgba(139, 92, 246, 0.25); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out both;
}

.animate-slide-up {
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Stagger children animation */
.stagger-children > * {
    animation: fadeIn 0.5s ease-out both;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.06s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.12s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.18s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.24s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.30s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.36s; }

/* === Blazor Overrides === */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--status-success) !important;
}

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

.validation-message {
    color: var(--status-danger);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.blazor-error-boundary {
    background: var(--status-danger-bg);
    border: 1px solid rgba(239, 68, 68, 0.15);
    padding: 1rem 1.25rem;
    color: var(--status-danger);
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

.blazor-error-boundary::after {
    content: "Произошла ошибка при отображении этого компонента."
}

/* Bootstrap overrides for dark theme */
.form-label {
    color: var(--text-secondary) !important;
    font-size: 0.8125rem !important;
    font-weight: 600 !important;
    font-family: 'Jura', sans-serif !important;
    letter-spacing: 0.03em !important;
}

.form-text {
    color: var(--text-muted) !important;
    font-size: 0.75rem !important;
}

/* === Login page background === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(34, 211, 238, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
    animation: bg-drift 20s ease-in-out infinite alternate;
}

@keyframes bg-drift {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-3%, 2%) rotate(3deg); }
}

.login-card {
    position: relative;
    z-index: 2;
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    margin: 1rem;
    text-align: center;
    animation: slideUp 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(139, 92, 246, 0.1);
}

.login-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, transparent 35%, transparent 65%, rgba(34, 211, 238, 0.15) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.login-logo {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
    margin-bottom: 0.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Cinzel Decorative', 'Cinzel', serif;
    letter-spacing: 0.04em;
}

.login-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    font-family: 'Jura', sans-serif;
}

/* === Telegram Mini App entry === */
.mini-app-page {
    min-height: 100vh;
    min-height: var(--gm-tg-viewport-height, 100dvh);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--bg-primary);
    position: relative;
    z-index: 2;
}

.mini-app-auth-card {
    width: 100%;
    max-width: 360px;
    padding: 1.5rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    text-align: center;
    position: relative;
    z-index: 2;
}

.mini-app-logo {
    width: 2.25rem;
    height: 2.25rem;
    object-fit: contain;
    margin-bottom: 0.75rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.mini-app-auth-card h1 {
    font-size: 1.375rem;
    margin-bottom: 0.5rem;
    font-family: 'Cinzel Decorative', 'Cinzel', serif;
}

.mini-app-auth-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.telegram-mini-app .page-container {
    max-width: 720px;
}

body.telegram-mini-app {
    min-height: var(--gm-tg-viewport-height, 100dvh);
}

body.telegram-mini-app .mini-app-page {
    padding-top: calc(1rem + var(--gm-mini-app-top-inset, 0px));
    padding-right: calc(1rem + var(--gm-mini-app-right-inset, 0px));
    padding-bottom: calc(1rem + var(--gm-mini-app-bottom-inset, 0px));
    padding-left: calc(1rem + var(--gm-mini-app-left-inset, 0px));
}

body.telegram-mini-app .content {
    padding-bottom: calc(1.5rem + var(--gm-mini-app-bottom-inset, 0px));
}

/* === Mobile Sessions Cards (instead of table) === */
.session-card-mobile {
    display: none;
    position: relative;
    z-index: 2;
}

body.telegram-mini-app .session-table-desktop {
    display: none;
}

body.telegram-mini-app .session-card-mobile {
    display: block;
}

.session-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: all var(--transition-smooth);
    position: relative;
    z-index: 2;
}

.session-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.session-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.session-card-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.session-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.session-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-card-actions {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

@media (max-width: 1024px) {
    .session-table-desktop {
        display: none;
    }

    .session-card-mobile {
        display: block;
    }
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .batch-bulk-fields,
    .batch-clone-row,
    .campaign-template-fields,
    .campaign-template-row,
    .campaign-template-actions,
    .template-group-selector {
        grid-template-columns: 1fr;
    }

    .batch-clone-row .btn-gm,
    .campaign-template-actions .btn-gm {
        justify-content: center;
        width: 100%;
    }

    .page-container {
        padding: 1rem;
    }

    .telegram-mini-app .content {
        padding: 0.75rem;
        padding-bottom: calc(0.75rem + var(--gm-mini-app-bottom-inset, 0px));
    }

    .telegram-mini-app .page-container {
        padding: 0.75rem;
    }

    body.telegram-mini-app .nav-header {
        padding-top: calc(1.25rem + var(--gm-mini-app-top-inset, 0px));
        padding-left: calc(1rem + var(--gm-mini-app-left-inset, 0px));
        padding-right: calc(0.75rem + var(--gm-mini-app-right-inset, 0px));
    }

    body.telegram-mini-app .nav-toggle {
        top: calc(0.75rem + var(--gm-mini-app-top-inset, 0px));
        left: calc(0.75rem + var(--gm-mini-app-left-inset, 0px));
    }

    h2 {
        font-size: 1.25rem;
    }
}

/* === 404 / Error Pages === */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 2rem;
    animation: fadeIn 0.5s ease-out;
    position: relative;
    z-index: 2;
}

.error-page-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.error-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Cinzel', serif;
}

.error-page-text {
    color: var(--text-muted);
    font-size: 0.9375rem;
    max-width: 400px;
    margin-bottom: 1.5rem;
}

/* === Responsive fine-tuning === */
@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem;
        margin: 0.75rem;
    }

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

/* === Participant list === */
.participant-panel {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 0.75rem;
    padding: 0.75rem;
    margin: 0.5rem 0;
    position: relative;
    z-index: 2;
}

.participant-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.participant-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0.5rem;
    gap: 0.5rem;
    transition: background var(--transition-fast);
}

.participant-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

.participant-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.participant-name {
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Jura', sans-serif;
}

.participant-username {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-gm-link {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    font-size: inherit;
    font-family: 'Jura', sans-serif;
    padding: 0;
    transition: color var(--transition-fast);
}

.btn-gm-link:hover {
    color: var(--accent-secondary);
}

/* === Sidebar refinements (MainLayout & NavMenu) === */
.page {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 10;
    overflow-y: auto;
    overflow-x: hidden;
}

.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    position: relative;
    z-index: 2;
}

.content {
    padding: 1.5rem;
    min-height: 100vh;
}

.nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-brand-icon {
    width: 1.75rem;
    height: 1.75rem;
    object-fit: contain;
}

.nav-brand-text {
    font-family: 'Cinzel Decorative', 'Cinzel', serif;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-primary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

.nav-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: 'Jura', sans-serif;
    letter-spacing: 0.02em;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(34, 211, 238, 0.08) 100%);
    color: var(--text-accent);
    border-color: rgba(139, 92, 246, 0.25);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.1);
}

.nav-item.active .nav-icon {
    color: var(--accent-primary);
}

.nav-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav-item:hover .nav-icon {
    color: var(--text-primary);
}

.nav-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
}

.nav-user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    font-family: 'Jura', sans-serif;
}

.nav-user-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: 'Jura', sans-serif;
}

.nav-logout-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: 'Jura', sans-serif;
    letter-spacing: 0.02em;
    transition: all var(--transition-fast);
    width: 100%;
}

.nav-logout-btn:hover {
    background: rgba(239, 68, 68, 0.08);
    color: var(--status-danger);
    border-color: rgba(239, 68, 68, 0.15);
}

.nav-version {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-align: center;
    font-family: 'Jura', sans-serif;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

/* === Blazor error UI === */
#blazor-error-ui {
    background: var(--status-danger-bg);
    color: var(--status-danger);
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0,0,0,0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-family: 'Jura', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

#blazor-error-ui .reload {
    color: var(--text-accent);
    margin-left: 0.5rem;
    text-decoration: underline;
}

/* === Mobile responsive sidebar === */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: fixed;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

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

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

    .nav-toggle {
        display: block;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 101;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
    }

    .nav-body.open {
        display: flex;
    }
}

/* === Discord Login Button === */
.login-btn-discord {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.2s ease;
    background-color: #5865F2;
    color: white;
    border: none;
    cursor: pointer;
}

.login-btn-discord:hover {
    background-color: #4752C4;
    transform: translateY(-1px);
}

.login-btn-discord:active {
    transform: translateY(0);
}

.login-btn-discord .login-btn-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.login-divider {
    display: flex;
    align-items: center;
    margin: 1.25rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.login-divider::before,
.login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.login-divider span {
    padding: 0 1rem;
}

/* === Platform Indicator in Nav === */
.nav-user-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.nav-user-platform {
    font-size: 0.6875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.nav-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}