/* ===== ADMIN PANEL — DARK MIDNIGHT THEME ===== */

:root {
    /* ── Backgrounds ─────────────────────────── */
    --admin-bg: #020408;
    --admin-bg-secondary: #080B12;
    --admin-card: #0D1117;
    --admin-card-elevated: #111827;
    --admin-card-hover: #141E2B;

    /* ── Brand Colors ────────────────────────── */
    --admin-primary: #6366F1;
    --admin-primary-hover: #818CF8;
    --admin-primary-dim: rgba(99, 102, 241, 0.15);
    --admin-primary-glow: rgba(99, 102, 241, 0.25);
    --admin-accent: #8B5CF6;
    --admin-cyan: #06B6D4;

    /* ── Semantic Colors ─────────────────────── */
    --admin-success: #10B981;
    --admin-success-dim: rgba(16, 185, 129, 0.12);
    --admin-danger: #EF4444;
    --admin-danger-dim: rgba(239, 68, 68, 0.12);
    --admin-warning: #F59E0B;
    --admin-warning-dim: rgba(245, 158, 11, 0.12);
    --admin-info: #3B82F6;
    --admin-info-dim: rgba(59, 130, 246, 0.12);

    /* ── Typography ──────────────────────────── */
    --admin-text: #F1F5F9;
    --admin-text-secondary: #94A3B8;
    --admin-text-tertiary: #64748B;
    --admin-text-muted: #475569;

    /* ── Borders ─────────────────────────────── */
    --admin-border: rgba(99, 102, 241, 0.1);
    --admin-border-subtle: rgba(148, 163, 184, 0.08);
    --admin-border-hover: rgba(99, 102, 241, 0.3);

    /* ── Spacing ─────────────────────────────── */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* ── Radii ───────────────────────────────── */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* ── Shadows ─────────────────────────────── */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.18);
    --shadow-glow-sm: 0 0 12px rgba(99, 102, 241, 0.12);
}

/* ===== LOGIN PAGE STYLES ===== */
body.admin-login-body {
    background: var(--admin-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    font-family: 'JUST Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--admin-text);
    overflow: hidden;
    position: relative;
}

/* Ambient background glow */
body.admin-login-body::before {
    content: '';
    position: fixed;
    top: -30%;
    left: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body.admin-login-body::after {
    content: '';
    position: fixed;
    bottom: -30%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(139, 92, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* ── Login Split Layout ── */
.admin-login-split {
    width: 100%;
    max-width: 960px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 580px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--admin-border);
    position: relative;
    z-index: 1;
}

/* ── Left Panel (Brand) ── */
.login-brand-panel {
    background: linear-gradient(145deg, #0D0F1E 0%, #0A0D1A 50%, #080B16 100%);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border-right: 1px solid rgba(99, 102, 241, 0.12);
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.login-brand-panel::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(ellipse at bottom right, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.login-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.login-brand-logo img {
    height: 32px;
    width: auto;
}

.login-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: #818CF8;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.login-brand-content {
    position: relative;
    z-index: 1;
}

.login-brand-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--admin-text);
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.login-brand-title span {
    background: linear-gradient(135deg, #818CF8, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-brand-desc {
    font-size: 0.9rem;
    color: var(--admin-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.login-security-badges {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.login-security-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.82rem;
    color: var(--admin-text-tertiary);
}

.login-security-item svg {
    color: var(--admin-success);
    flex-shrink: 0;
}

.login-brand-footer {
    position: relative;
    z-index: 1;
    font-size: 0.72rem;
    color: var(--admin-text-muted);
    border-top: 1px solid var(--admin-border-subtle);
    padding-top: 1rem;
}

/* ── Right Panel (Form) ── */
.login-form-panel {
    background: var(--admin-card);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-form-header {
    margin-bottom: 1.75rem;
}

.login-form-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--admin-text);
    margin-bottom: 0.3rem;
    letter-spacing: -0.01em;
}

.login-form-subtitle {
    font-size: 0.85rem;
    color: var(--admin-text-secondary);
}

/* ── Legacy single-column login (mobile fallback) ── */
.admin-login-container {
    width: 100%;
    max-width: 420px;
}

.admin-login-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-xl);
    padding: 2.25rem;
    box-shadow: var(--shadow-lg);
}

.admin-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.admin-subtitle {
    color: var(--admin-text-secondary);
    margin-top: 0.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 600;
}

/* ── Form Elements ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    color: var(--admin-text-secondary);
    margin-bottom: 0.45rem;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--admin-bg-secondary);
    border: 1px solid var(--admin-border-subtle);
    border-radius: var(--radius-md);
    color: var(--admin-text);
    font-family: inherit;
    font-size: 0.92rem;
    transition: all 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--admin-primary);
    background: rgba(99, 102, 241, 0.04);
    box-shadow: 0 0 0 3px var(--admin-primary-glow);
}

.form-input::placeholder {
    color: var(--admin-text-muted);
}

.btn-login {
    width: 100%;
    padding: 0.85rem;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-accent));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    transition: all 0.25s;
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-login:hover::before { opacity: 1; }

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

.btn-login:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-footer {
    text-align: center;
    margin-top: 1.25rem;
    color: var(--admin-text-muted);
    font-size: 0.78rem;
}

.login-tabs {
    display: flex;
    gap: 0.35rem;
    background: var(--admin-bg-secondary);
    padding: 0.3rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--admin-border-subtle);
}

.login-tab {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: calc(var(--radius-sm) - 1px);
    background: transparent;
    color: var(--admin-text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.login-tab.active {
    background: var(--admin-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

/* ── Rate Limit Warning ── */
.login-rate-limit-warning {
    display: none;
    background: var(--admin-danger-dim);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
    color: #FCA5A5;
    margin-bottom: 1.25rem;
    text-align: center;
}

.login-rate-limit-warning.visible {
    display: block;
}

/* ── Attempt Counter ── */
.login-attempts-indicator {
    font-size: 0.75rem;
    color: var(--admin-warning);
    text-align: center;
    margin-top: 0.6rem;
    display: none;
}

.login-attempts-indicator.visible {
    display: block;
}

/* ── Responsive: hide left panel on small screens ── */
@media (max-width: 700px) {
    .admin-login-split {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
    .login-brand-panel { display: none; }
    .login-form-panel { padding: 2rem; }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ===== MODERN HEADER (NO SIDEBAR) ===== */
.admin-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--admin-bg-secondary);
    border-bottom: 1px solid var(--admin-border);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.admin-header-logo img {
    height: 32px;
    width: auto;
}

.admin-header-logo .brand-text {
    font-family: 'JUST Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    display: none;
    /* Hide on mobile */
}

.admin-profile-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--admin-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--admin-border);
}

.admin-profile-avatar {
    width: 32px;
    height: 32px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-primary);
}

.admin-profile-info {
    display: flex;
    flex-direction: column;
}

.admin-profile-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--admin-text);
    line-height: 1.2;
}

.admin-profile-role {
    font-size: 0.7rem;
    color: var(--admin-text-secondary);
    line-height: 1.2;
}

/* Constrained width: centers content on desktop */
.admin-container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.75rem 2.5rem 4rem;
}

/* ===== PAGE TITLE ===== */
.admin-page-header {
    margin-bottom: var(--spacing-lg);
}

.admin-page-title {
    font-family: 'JUST Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.admin-page-subtitle {
    font-size: 0.9rem;
    color: var(--admin-text-secondary);
}

.admin-page-meta {
    font-size: 0.75rem;
    color: var(--admin-primary);
    margin-top: var(--spacing-xs);
}

/* ===== STATS GRID (2x2) ===== */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.admin-stat-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.admin-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xs);
}

.admin-stat-icon.purple {
    background: rgba(99, 102, 241, 0.15);
    color: var(--admin-primary);
}

.admin-stat-icon.green {
    background: rgba(16, 185, 129, 0.2);
    color: var(--admin-success);
}

.admin-stat-icon.orange {
    background: rgba(245, 158, 11, 0.2);
    color: var(--admin-warning);
}

.admin-stat-icon.blue {
    background: rgba(6, 182, 212, 0.2);
    color: var(--admin-secondary);
}

.admin-stat-label {
    font-size: 0.75rem;
    color: var(--admin-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.admin-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
    font-family: 'JUST Sans', sans-serif;
}

/* ===== SECTION HEADER ===== */
.admin-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.admin-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-section-link {
    font-size: 0.85rem;
    color: var(--admin-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ===== QUICK ACTIONS ===== */
.admin-quick-actions {
    margin-bottom: var(--spacing-xl);
}

.admin-actions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.admin-action-card {
    background: linear-gradient(135deg, var(--admin-primary) 0%, #7C3AED 100%);
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-md);
}

.admin-action-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.admin-action-card .icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.admin-action-card .content {
    flex: 1;
}

.admin-action-card .title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.admin-action-card .subtitle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

.admin-action-card .arrow {
    color: white;
    opacity: 0.6;
}

/* ===== TOURNAMENT LIST ===== */
.admin-tournament-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.admin-tournament-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.admin-tournament-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.admin-tournament-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.admin-tournament-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--admin-text);
    margin-bottom: 0.25rem;
}

.admin-tournament-game {
    font-size: 0.75rem;
    color: var(--admin-text-secondary);
    text-transform: uppercase;
}

.admin-tournament-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-tournament-badge.freefire {
    background: rgba(245, 158, 11, 0.2);
    color: var(--admin-warning);
}

.admin-tournament-badge.upcoming {
    background: rgba(6, 182, 212, 0.2);
    color: var(--admin-secondary);
}

.admin-tournament-badge.ongoing {
    background: rgba(245, 158, 11, 0.2);
    color: var(--admin-warning);
}

.admin-tournament-badge.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--admin-success);
}

.admin-tournament-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--admin-text-secondary);
    margin-bottom: var(--spacing-md);
}

.admin-tournament-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.admin-tournament-action {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid var(--admin-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    color: var(--admin-primary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.admin-tournament-action:hover {
    background: rgba(99, 102, 241, 0.15);
}

/* ===== BOTTOM NAVIGATION (PRIMARY NAV) ===== */
.admin-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--admin-bg-secondary);
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

.admin-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    color: var(--admin-text-secondary);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: color 0.2s ease, background 0.2s ease;
    border-radius: var(--radius-md);
    min-width: 70px;
}

.admin-nav-item svg {
    width: 24px;
    height: 24px;
}

.admin-nav-item:hover {
    color: var(--admin-text);
    background: rgba(99, 102, 241, 0.08);
}

.admin-nav-item.active {
    color: var(--admin-primary);
    background: rgba(99, 102, 241, 0.12);
}

/* ===== RESPONSIVE - TABLET & DESKTOP ===== */
@media (min-width: 640px) {
    .admin-header-logo .brand-text {
        display: block;
    }

    .admin-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .admin-container {
        padding: var(--spacing-xl);
    }

    .admin-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .admin-actions-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .admin-page-title {
        font-size: 2rem;
    }
}

/* ===== KEEP ESSENTIAL FORM & TABLE STYLES ===== */
/* (Preserving form and table styles from original for other admin pages) */
.form-input-admin,
.form-textarea-admin,
.form-select-admin {
    padding: 0.875rem;
    background: var(--admin-card);
    border: 2px solid var(--admin-border);
    border-radius: var(--radius-md);
    color: var(--admin-text);
    font-size: 1rem;
    font-family: 'JUST Sans', sans-serif;
    transition: 0.3s ease;
    width: 100%;
}

.form-input-admin:focus,
.form-textarea-admin:focus,
.form-select-admin:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.08);
}

.btn-primary-admin {
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
}

.btn-primary-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

/* Loading Spinner */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 25, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(99, 102, 241, 0.15);
    border-top-color: var(--admin-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== SIDEBAR LAYOUT (DESKTOP RESTORATION) ===== */
/* These styles apply to pages using the .admin-sidebar structure */

.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 290px;
    background: linear-gradient(180deg, #080B14 0%, #050710 100%);
    border-right: 1px solid var(--admin-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.75rem 1.25rem 1.25rem;
    display: flex;
    align-items: center;
}

.sidebar-logo img {
    height: 32px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 0.25rem 0.9rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--admin-text-secondary);
    text-decoration: none;
    border-radius: 14px;
    transition: 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--admin-text);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-accent));
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

.nav-link-top {
    padding: 0.85rem 0.95rem;
    font-size: 1.03rem;
    font-weight: 600;
}

.sidebar-group {
    border-radius: 14px;
    overflow: hidden;
}

.sidebar-group-toggle {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--admin-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 0.95rem;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1.03rem;
    font-weight: 600;
}

.sidebar-group-toggle:hover {
    background: rgba(99, 102, 241, 0.1);
}

.sidebar-group-left {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-group-chevron {
    display: inline-flex;
    color: #7c8799;
    transition: transform 0.2s ease;
}

.sidebar-group.expanded .sidebar-group-chevron {
    transform: rotate(90deg);
}

.sidebar-submenu {
    margin-left: 1rem;
    border-left: 1px solid rgba(148, 163, 184, 0.28);
    padding: 0.2rem 0 0.35rem 1rem;
    display: none;
}

.sidebar-group.expanded .sidebar-submenu {
    display: block;
}

.submenu-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: #9aa9be;
    border-radius: 12px;
    padding: 0.68rem 0.72rem;
    margin: 0.24rem 0;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.submenu-link:hover {
    color: var(--admin-text);
    background: rgba(99, 102, 241, 0.1);
}

.submenu-link.active {
    background: rgba(99, 102, 241, 0.12);
    color: #ffffff;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.28);
}

.submenu-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #64748b;
    flex-shrink: 0;
}

.submenu-link.active .submenu-dot {
    background: var(--admin-primary);
}

.submenu-text {
    flex: 1;
}

.submenu-badge {
    min-width: 24px;
    height: 24px;
    border-radius: 10px;
    padding: 0 0.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    color: #052e16;
    background: #86efac;
}

.submenu-badge.success {
    color: #052e16;
    background: #86efac;
}

.submenu-badge.warning {
    color: #4a2300;
    background: #fdba74;
}

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

/* ===== NEW SIDEBAR SECTION STYLES ===== */
.sidebar-section-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--admin-text-tertiary);
    margin: 1rem 1rem 0.5rem 1rem;
    letter-spacing: 0.5px;
}

.sidebar-bottom-links {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-bottom-links .nav-link {
    font-size: 0.9rem;
}

.sidebar-profile-footer {
    padding: 1rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.profile-avatar {
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-primary);
    flex-shrink: 0;
}

.profile-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.profile-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--admin-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-view-link {
    font-size: 0.75rem;
    color: var(--admin-text-secondary);
    text-decoration: none;
}

.profile-view-link:hover {
    color: var(--admin-primary);
    text-decoration: underline;
}

.profile-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.profile-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--admin-border);
    color: var(--admin-text-secondary);
    cursor: pointer;
    transition: 0.2s ease;
    text-decoration: none;
}

.profile-action-btn:hover {
    color: var(--admin-text);
    background: rgba(255, 255, 255, 0.05);
}

.profile-action-btn.logout-btn:hover {
    color: var(--admin-danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

/* ===== NEW GLOBAL TOPBAR STYLES ===== */
/* Main Content Area — managed by layout.css */
.admin-main {
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar override — now managed by layout.css */
.global-admin-topbar {
    /* Styles now in styles/layout.css */
}

.topbar-role-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    width: 300px;
    max-width: 100%;
}

.topbar-search svg {
    color: var(--admin-text-secondary);
}

.topbar-search input {
    background: transparent;
    border: none;
    color: var(--admin-text);
    font-family: inherit;
    font-size: 0.9rem;
    width: 100%;
    outline: none;
}

.topbar-search input::placeholder {
    color: var(--admin-text-tertiary);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.topbar-icon-btn {
    background: transparent;
    border: none;
    color: var(--admin-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s ease;
}

.topbar-icon-btn:hover {
    color: var(--admin-text);
}

.action-search-mobile {
    display: none;
}

/* Preserved old Topbar classes for backward compatibility while refactoring */
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-primary);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--admin-text);
}

.user-role {
    font-size: 0.75rem;
    color: var(--admin-text-secondary);
}

/* Responsive Handling */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

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

/* ===== TOURNAMENT CREATE FORM STYLES ===== */

.tournament-form {
    max-width: 1000px;
    margin: 0 auto;
}

.form-section {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--admin-text);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--admin-border);
}

.form-section-desc {
    font-size: 0.85rem;
    color: var(--admin-text-secondary);
    margin-bottom: 1.5rem;
    margin-top: -0.5rem;
}

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

.form-label-admin {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--admin-text-secondary);
    margin-bottom: 0.5rem;
}

/* Grid Layouts */
.form-row {
    margin-bottom: 1rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {

    .form-row-2,
    .form-row-3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* File Upload Styles */
.file-upload-area {
    border: 2px dashed var(--admin-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--admin-primary);
    background: rgba(99, 102, 241, 0.05);
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-content svg {
    color: var(--admin-text-secondary);
    margin-bottom: 1rem;
}

.upload-text {
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 0.25rem;
}

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

/* Logo Mini Upload */
.logo-upload-container {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    height: 120px;
    border: 2px dashed var(--admin-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.2s;
}

.logo-upload-container:hover {
    border-color: var(--admin-primary);
}

.logo-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.logo-preview-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--admin-text-tertiary);
    font-size: 0.8rem;
}

.logo-preview-box img {
    max-height: 80px;
    border-radius: var(--radius-sm);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-border);
}

.btn-cancel {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--admin-border);
    color: var(--admin-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
}

.btn-submit-admin {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-submit-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* Prize Preview */
.prize-preview {
    margin-top: 1rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 0.5rem;
}

.preview-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.85rem;
}

.preview-value {
    font-weight: 700;
    color: var(--admin-success);
    font-size: 1rem;
}

.preview-total .preview-value {
    color: var(--admin-primary);
}