/* Reusable UI — BEM-lite with legacy class aliases for gradual migration. */

.btn,
.btn-primary,
.btn-secondary,
.btn-small {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-lg, 8px);
    font-size: var(--text-base, 1rem);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 0.5rem);
}

.btn--primary,
.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn--primary:hover:not(:disabled),
.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn--secondary,
.btn-secondary {
    background: var(--card-bg, rgba(38, 50, 68, 0.62));
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn--sm,
.btn-small {
    padding: var(--space-2, 8px) var(--space-3, 12px);
    font-size: var(--text-sm, 0.875rem);
}

.btn--danger,
.btn-danger {
    background: var(--color-danger);
    color: #fff;
}

.alert,
.flash-messages .alert {
    padding: var(--space-3, 12px) var(--space-4, 16px);
    border-radius: var(--radius-md, 8px);
    margin-bottom: var(--space-2, 8px);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.alert--success,
.alert-success,
.flash-messages .alert-success {
    background: rgba(34, 197, 94, 0.12);
    color: #86efac;
}

.alert--danger,
.alert-danger,
.flash-messages .alert-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.alert--warning,
.alert-warning,
.flash-messages .alert-warning {
    background: rgba(245, 158, 11, 0.12);
    color: #fcd34d;
}

.alert--info,
.alert-info,
.flash-messages .alert-info {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
}

.card {
    background: var(--card-bg, rgba(38, 50, 68, 0.62));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-6, 24px);
    box-shadow: var(--shadow-sm);
}

/* HTMX loading (skill §9) */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator,
#htmx-indicator.htmx-request {
    display: block;
}

.htmx-request {
    opacity: 0.6;
    transition: opacity 200ms ease;
}

#htmx-indicator {
    position: fixed;
    top: var(--space-4, 1rem);
    right: var(--space-4, 1rem);
    z-index: 9999;
    padding: var(--space-2, 8px) var(--space-4, 16px);
    border-radius: var(--radius-md, 8px);
    background: var(--surface-raised, #243044);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    font-size: var(--text-sm, 0.875rem);
    box-shadow: var(--shadow-lg, 0 8px 24px rgba(0, 0, 0, 0.28));
}

@media (prefers-reduced-motion: reduce) {
    .htmx-request {
        transition: none;
    }
}