:root {
    --gts-bg: #101223;
    --gts-bg-deep: #050510;
    --gts-bg-card: #181a2f;
    --gts-bg-card-alt: #23253a;
    --gts-text: #f5f6fa;
    --gts-text-muted: #bfc2d4;
    --gts-accent: #9147ff;
    --gts-accent-soft: #b48cff;
    --gts-success: #24b47e;
    --gts-warning: #ffd166;
    --gts-danger: #ff6b6b;
    --gts-info: #5dd1ff;
    --gts-border: rgba(255, 255, 255, 0.08);
    --gts-border-strong: rgba(255, 255, 255, 0.16);
    --gts-radius-sm: 8px;
    --gts-radius-md: 12px;
    --gts-radius-lg: 18px;
    --gts-radius-xl: 24px;
    --gts-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.12);
    --gts-shadow-md: 0 12px 28px rgba(6, 1, 20, 0.35);
    --gts-shadow-lg: 0 25px 55px rgba(6, 1, 20, 0.55);
}

.theme-dark {
    --gts-bg: #101223;
    --gts-bg-deep: #050510;
    --gts-bg-card: #181a2f;
    --gts-bg-card-alt: #23253a;
    --gts-text: #f5f6fa;
    --gts-text-muted: #bfc2d4;
    --gts-border: rgba(255, 255, 255, 0.08);
    --gts-border-strong: rgba(255, 255, 255, 0.16);
    background: var(--gts-bg) !important;
    color: var(--gts-text) !important;
}

.theme-light {
    --gts-bg: #f8f9fa;
    --gts-bg-deep: #ffffff;
    --gts-bg-card: #ffffff;
    --gts-bg-card-alt: #e9ecef;
    --gts-text: #212529;
    --gts-text-muted: #6c757d;
    --gts-border: rgba(0, 0, 0, 0.1);
    --gts-border-strong: rgba(0, 0, 0, 0.18);
    background: var(--gts-bg) !important;
    color: var(--gts-text) !important;
}

.gts-page-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.gts-page-title {
    color: var(--gts-text);
    font-size: 2rem;
    line-height: 1.15;
    margin: 0 0 0.35rem;
}

.gts-page-text,
.gts-muted {
    color: var(--gts-text-muted);
}

.gts-grid {
    display: grid;
    gap: 1.5rem;
}

.gts-grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.gts-panel,
.gts-card {
    background: var(--gts-bg-card);
    color: var(--gts-text);
    border: 1px solid var(--gts-border);
    border-radius: var(--gts-radius-lg);
}

.gts-card {
    padding: 1.5rem;
    box-shadow: var(--gts-shadow-sm);
}

.gts-panel {
    padding: 1.75rem;
}

.gts-hero-panel {
    background: linear-gradient(135deg, rgba(145, 71, 255, 0.25), rgba(9, 7, 24, 0.9));
    border: 1px solid rgba(145, 71, 255, 0.55);
    border-radius: var(--gts-radius-xl);
    box-shadow: var(--gts-shadow-lg);
    padding: 2.5rem;
}

.gts-stat-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 220px;
}

.gts-stat-label {
    text-transform: uppercase;
    color: var(--gts-text-muted);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.gts-stat-value {
    margin: 0;
    font-size: 1.6rem;
    color: var(--gts-text);
}

.gts-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 116px;
    padding: 1rem;
    border-radius: var(--gts-radius-md);
    background: var(--gts-bg-card-alt);
    color: var(--gts-accent);
    text-align: center;
    text-decoration: none;
    font-weight: 600;
}

.gts-action-card:hover,
.gts-action-card:focus-visible {
    color: var(--gts-accent-soft);
    outline: none;
    transform: translateY(-1px);
}

.gts-action-card small {
    color: var(--gts-text-muted);
    font-weight: 400;
}

.gts-btn-primary {
    background: linear-gradient(135deg, var(--gts-accent), var(--gts-accent-soft));
    border: none;
    color: #fff !important;
    box-shadow: 0 12px 24px rgba(69, 22, 120, 0.35);
}

.gts-btn-primary:hover,
.gts-btn-primary:focus-visible {
    color: #fff;
    filter: brightness(1.06);
}

.gts-kicker {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--gts-warning);
    font-weight: 700;
    font-size: 0.78rem;
    margin-bottom: 0.5rem;
}

.gts-form-card {
    max-width: 640px;
    margin: 0 auto 2rem;
}

.gts-image-slot {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--gts-radius-sm);
    border: 1px solid var(--gts-border);
    background: var(--gts-bg-card-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gts-image-slot img {
    width: 76px;
    height: 76px;
    object-fit: cover;
    border-radius: 7px;
}

.gts-image-slot-empty {
    border-style: dashed;
    cursor: pointer;
}

.gts-image-slot-add {
    font-size: 2.2rem;
    color: var(--gts-text-muted);
    line-height: 1;
}

.gts-image-slot-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    padding: 0.1rem 0.4rem;
    font-size: 0.9rem;
    line-height: 1;
    z-index: 2;
}

.theme-dark .card,
.theme-dark .profile-grid article,
.theme-dark .sidebar,
.theme-light .card,
.theme-light .profile-grid article,
.theme-light .sidebar {
    background: var(--gts-bg-card) !important;
    color: var(--gts-text) !important;
    border-color: var(--gts-border) !important;
}

.theme-dark .card-header,
.theme-dark .sidebar-heading,
.theme-light .card-header,
.theme-light .sidebar-heading {
    background: var(--gts-bg-card-alt) !important;
    color: var(--gts-text-muted) !important;
}

.theme-dark .text-muted,
.theme-light .text-muted,
.theme-dark .form-text,
.theme-light .form-text {
    color: var(--gts-text-muted) !important;
}

.theme-dark .alert {
    background: var(--gts-bg-card-alt) !important;
    color: var(--gts-text) !important;
    border-color: var(--gts-border) !important;
}

@media (max-width: 768px) {
    .gts-page-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .gts-hero-panel {
        padding: 1.5rem;
    }
}