/* ============================================
   SynergyGig Component Library
   Modern CSS-only components
   ============================================ */

/* ── Cards ── */
.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: var(--space-xl);
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 40%);
    pointer-events: none;
}

.card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.card-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.card-footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

/* Card variants */
.card--glow-blue { box-shadow: inset 0 1px 0 rgba(88, 166, 255, 0.2); }
.card--glow-purple { box-shadow: inset 0 1px 0 rgba(188, 140, 255, 0.2); }
.card--glow-green { box-shadow: inset 0 1px 0 rgba(63, 185, 80, 0.2); }
.card--glow-orange { box-shadow: inset 0 1px 0 rgba(210, 153, 34, 0.2); }

/* Stat card icon */
.card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-icon--blue { background: rgba(88, 166, 255, 0.12); color: var(--accent-blue); }
.card-icon--purple { background: rgba(188, 140, 255, 0.12); color: var(--accent-purple); }
.card-icon--green { background: rgba(63, 185, 80, 0.12); color: var(--color-success); }
.card-icon--orange { background: rgba(210, 153, 34, 0.12); color: var(--color-warning); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}
.btn:focus-visible { outline-offset: 2px; }

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    border: none;
    box-shadow: 0 2px 12px var(--accent-glow-blue);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow-blue);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--glass-border);
}
.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(248, 81, 73, 0.12);
    color: var(--color-danger);
    border-color: rgba(248, 81, 73, 0.2);
}
.btn-danger:hover {
    background: rgba(248, 81, 73, 0.2);
    border-color: rgba(248, 81, 73, 0.35);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    line-height: 1.5;
}
.badge--blue { background: rgba(88, 166, 255, 0.12); color: var(--accent-blue); }
.badge--purple { background: rgba(188, 140, 255, 0.12); color: var(--accent-purple); }
.badge--green { background: rgba(63, 185, 80, 0.12); color: var(--color-success); }
.badge--orange { background: rgba(210, 153, 34, 0.12); color: var(--color-warning); }
.badge--red { background: rgba(248, 81, 73, 0.12); color: var(--color-danger); }

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table thead {
    background: rgba(255, 255, 255, 0.03);
}

.table th {
    padding: 0.875rem 1.25rem;
    text-align: left;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--glass-border);
}

.table td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-primary);
    vertical-align: middle;
}

.table tbody tr {
    transition: background var(--duration-fast) var(--ease-smooth);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

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

/* ── Forms ── */
.form-group {
    margin-bottom: var(--space-lg);
}

.field-error {
    margin-top: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--color-danger);
}
.field-error ul { list-style: none; padding: 0; margin: 0; }
.field-error li { margin-bottom: 2px; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--duration-normal) var(--ease-smooth);
}

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

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-glow-blue);
}

.form-control:hover:not(:focus) {
    border-color: var(--glass-border-hover);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 5.5l3.5 4 3.5-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    color: var(--color-danger);
    font-size: 0.8125rem;
    margin-top: var(--space-xs);
}

.form-hint {
    color: var(--text-muted);
    font-size: 0.8125rem;
    margin-top: var(--space-xs);
}

/* ── Avatars ── */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: #fff;
    flex-shrink: 0;
}
.avatar--sm { width: 28px; height: 28px; font-size: 0.75rem; }
.avatar--lg { width: 48px; height: 48px; font-size: 1.125rem; }

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}
.empty-state svg { margin-bottom: var(--space-lg); opacity: 0.4; }
.empty-state h3 { margin-bottom: var(--space-sm); color: var(--text-secondary); }
.empty-state p { color: var(--text-muted); font-size: 0.875rem; }

/* ── Alerts / Flash Messages ── */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-size: 0.875rem;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.alert--success { background: rgba(63, 185, 80, 0.08); border-color: rgba(63, 185, 80, 0.2); color: var(--color-success); }
.alert--danger { background: rgba(248, 81, 73, 0.08); border-color: rgba(248, 81, 73, 0.2); color: var(--color-danger); }
.alert--warning { background: rgba(210, 153, 34, 0.08); border-color: rgba(210, 153, 34, 0.2); color: var(--color-warning); }
.alert--info { background: rgba(88, 166, 255, 0.08); border-color: rgba(88, 166, 255, 0.2); color: var(--color-info); }

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
}
.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease-smooth);
}
.pagination a:hover { background: rgba(255, 255, 255, 0.05); color: var(--text-primary); }
.pagination .active { background: var(--accent-gradient); color: #fff; }

/* ── Divider ── */
.divider {
    border: none;
    border-top: 1px solid var(--glass-border);
    margin: var(--space-xl) 0;
}

/* ── Skeleton Loading ── */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.5s infinite ease-in-out;
    border-radius: var(--radius-sm);
}
@keyframes skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Tooltip (CSS-only) ── */
[data-tooltip] {
    position: relative;
}
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-fast) var(--ease-smooth);
    border: 1px solid var(--glass-border);
    z-index: 100;
}
[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   Light Theme — Component Overrides
   ============================================ */
:root[data-theme="light"] .card {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.08);
}
:root[data-theme="light"] .card::before {
    background: linear-gradient(180deg, rgba(0,0,0,0.01) 0%, transparent 40%);
}
:root[data-theme="light"] .card:hover {
    border-color: rgba(0, 0, 0, 0.14);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}
:root[data-theme="light"] .table thead {
    background: rgba(0, 0, 0, 0.02);
}
:root[data-theme="light"] .table tbody tr:hover {
    background: rgba(0, 0, 0, 0.02);
}
:root[data-theme="light"] .table th,
:root[data-theme="light"] .table td {
    border-bottom-color: rgba(0, 0, 0, 0.06);
}
:root[data-theme="light"] .table-wrapper {
    border-color: rgba(0, 0, 0, 0.08);
}
:root[data-theme="light"] .form-control {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.12);
    color: #0D0A0B;
}
:root[data-theme="light"] .form-control:focus {
    border-color: #613039;
    box-shadow: 0 0 0 3px rgba(97, 48, 57, 0.12);
}
:root[data-theme="light"] .btn-secondary {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.12);
}
:root[data-theme="light"] .btn-secondary:hover {
    background: #F5F0F1;
    border-color: rgba(0, 0, 0, 0.18);
}
:root[data-theme="light"] .btn-ghost:hover {
    background: rgba(0, 0, 0, 0.04);
}
:root[data-theme="light"] .pagination a:hover {
    background: rgba(0, 0, 0, 0.05);
}