/* Preserve native hidden semantics even when components set display explicitly. */
[hidden] {
    display: none !important;
}

/* Sidebar */
/* Sidebar */
.sidebar {
    width: var(--nav-width);
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 30px 24px;
    z-index: 20;
    backdrop-filter: blur(14px);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 40px;
    position: relative;
    letter-spacing: -0.5px;
}

.brand i {
    color: var(--primary);
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.brand span {
    background: linear-gradient(135deg, var(--text-main) 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition:
        color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    letter-spacing: -0.01em;
}

.nav-item i {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.nav-item:hover {
    background: var(--bg-suface-light);
    color: var(--text-main);
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.1) 0%, transparent 100%);
    border: 1px solid var(--primary-glow);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    /* Subtle shadow */
}

.nav-item.active i {
    color: var(--primary);
    transform: scale(1.1);
}

.sidebar-footer {
    border-top: 1px solid var(--border);
    padding-top: 24px;
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-actions,
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Main Content */
/* Main Content */
#main {
    flex: 1;
    position: relative;
    overflow-y: auto;
    padding: 0;
    scroll-behavior: smooth;
    background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.08), transparent 70%);
}

.mobile-header,
.bottom-nav {
    display: none;
}

.page {
    display: none;
    padding: 40px 60px;
    max-width: 1400px;
    margin: 0 auto;
    animation: slideUpFade 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.page.active {
    display: block;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.page-header {
    margin-bottom: 32px;
    position: relative;
}

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

.page-header h2 {
    font-size: 32px;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-dim);
    margin: 8px 0 0;
    font-size: 15px;
    font-weight: 400;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

/* Cards */
/* Cards */
/* Cards */
/* Cards */
.card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition:
        transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.4s ease,
        border-color 0.4s;
    position: relative;
    overflow: hidden;
    will-change: transform, box-shadow;
    transform: translateZ(0);
    /* Hardware Acceleration */
}

[data-theme='light'] .card {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--border);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow:
        var(--shadow-lg),
        0 0 40px rgba(139, 92, 246, 0.1);
    border-color: var(--border-light);
}

[data-theme='light'] .card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
    border-color: rgba(99, 102, 241, 0.25);
}

.card.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border: 1px solid var(--glass-border);
    box-shadow:
        0 8px 32px 0 rgba(0, 0, 0, 0.4),
        inset 0 0 0 1px var(--glass-shine);
}

[data-theme='light'] .card.glass {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(150%);
    -webkit-backdrop-filter: blur(24px) saturate(150%);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow:
        0 8px 32px 0 rgba(0, 0, 0, 0.08),
        inset 0 0 0 1px var(--glass-shine);
}

.card.highlight-card {
    background: linear-gradient(135deg, rgba(20, 20, 40, 0.85), rgba(10, 10, 25, 0.95));
    border: 1px solid rgba(139, 92, 246, 0.4);
    position: relative;
    box-shadow: var(--shadow-glow);
}

[data-theme='light'] .card.highlight-card {
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 12px 35px -5px rgba(99, 102, 241, 0.2);
}

.card.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.9;
}

.latest-win-placeholder {
    min-height: 88px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    text-align: center;
}

.latest-win-placeholder i {
    font-size: 32px;
    color: var(--text-dim);
}

.latest-win-placeholder-meta {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.5;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.card-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}