.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 28px 18px;
    border-right: 1px solid var(--border-base);
    background: rgba(2, 10, 22, 0.92);
    backdrop-filter: blur(22px);
}
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.brand-mark {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: var(--gradient-primary);
    color: var(--text-on-accent);
    font-weight: 700;
    box-shadow: 0 0 28px rgba(96, 165, 250, 0.25);
}
.brand strong { display: block; font-size: 15px; color: var(--text-primary); }
.brand small { color: var(--text-muted); }
.nav-list, .nav-group { display: flex; flex-direction: column; gap: 10px; }
.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--text-secondary);
    border: 1px solid transparent;
    transition: 180ms ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    border-color: var(--border-strong);
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.12), rgba(251, 191, 36, 0.08));
}
.sidebar-logout { margin-top: 28px; }
.sidebar-logout-btn { width: 100%; }
.card, .login-card {
    background: var(--surface-card);
    border: 1px solid var(--border-base);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
}
.card { padding: var(--space-xl); margin-bottom: var(--space-lg); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-lg); margin-bottom: var(--space-lg); }
.stat-card { min-height: 128px; }
.stat-label { color: var(--text-muted); display: block; margin-bottom: 20px; }
.stat-value { font-size: 38px; line-height: 1; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border-base); vertical-align: top; text-align: left; }
.data-table th { color: var(--text-secondary); font-size: 13px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 12px;
    padding: 12px 16px;
    cursor: pointer;
    font: inherit;
}
.btn-primary { background: var(--gradient-primary); color: var(--text-on-accent); font-weight: 700; }
.btn-secondary { background: rgba(125, 211, 252, 0.08); color: var(--text-primary); border: 1px solid var(--border-base); }
.input {
    width: 100%;
    margin-top: 6px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-base);
    background: rgba(5, 17, 31, 0.72);
    color: var(--text-primary);
}
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.form-field span { display: block; color: var(--text-secondary); font-size: 13px; }
.form-actions { grid-column: 1 / -1; }
.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid transparent;
}
.badge-success { background: rgba(34, 197, 94, 0.12); color: #86efac; border-color: rgba(34, 197, 94, 0.22); }
.badge-warning { background: rgba(251, 191, 36, 0.12); color: #fde68a; border-color: rgba(251, 191, 36, 0.22); }
.badge-danger { background: rgba(244, 63, 94, 0.12); color: #fda4af; border-color: rgba(244, 63, 94, 0.22); }
.badge-info { background: rgba(125, 211, 252, 0.12); color: #bae6fd; border-color: rgba(125, 211, 252, 0.22); }
.alert { padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.alert-success { background: rgba(34, 197, 94, 0.12); border: 1px solid rgba(34, 197, 94, 0.24); color: #bbf7d0; }
.alert-error { background: rgba(244, 63, 94, 0.12); border: 1px solid rgba(244, 63, 94, 0.24); color: #fecdd3; }
.pagination-bar { margin-top: 18px; display: flex; justify-content: flex-end; }
.pagination-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.pagination-link {
    display: inline-flex;
    min-width: 38px;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--border-base);
    color: var(--text-secondary);
}
.pagination-link.active { background: rgba(125, 211, 252, 0.14); color: var(--text-primary); }
.pagination-ellipsis {
    display: inline-flex;
    min-width: 38px;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}
.image-preview-card { display: grid; gap: 22px; }
.image-preview-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.image-preview-meta-item {
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--border-base);
    background: rgba(7, 16, 28, 0.72);
}
.image-preview-meta-label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-size: 12px;
}
.image-preview-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
    padding: 20px;
    border-radius: 20px;
    border: 1px solid var(--border-base);
    background:
        radial-gradient(circle at top, rgba(125, 211, 252, 0.12), transparent 55%),
        rgba(4, 11, 20, 0.92);
}
.image-preview-img {
    max-width: 100%;
    max-height: 72vh;
    border-radius: 18px;
    object-fit: contain;
    box-shadow: 0 18px 48px rgba(2, 6, 23, 0.45);
}
.doc-content h1, .doc-content h2 { margin-bottom: 12px; }
.doc-content p { color: var(--text-secondary); }
.doc-list { padding-left: 20px; color: var(--text-secondary); }
.doc-code {
    padding: 16px;
    overflow-x: auto;
    border-radius: 14px;
    background: rgba(3, 12, 22, 0.9);
    border: 1px solid var(--border-base);
}
.login-form-card { padding: 28px; background: var(--surface-card-strong); }
.login-eyebrow, .login-card-subtitle, .login-form-card h2 { text-align: center; }
.login-form-card h2 { margin-bottom: 10px; }
.login-submit { width: 100%; margin-top: 12px; }