/* ============================================
   Reusable UI Components
   ============================================ */

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}
.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}
.card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.btn-secondary:hover { background: var(--bg-tertiary); }
.btn-outline-muted {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.82rem;
}
.btn-outline-muted:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.btn-sm {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}
.btn-warning {
    background: var(--warning);
    color: #0f172a;
    font-weight: 600;
}
.btn-warning:hover { background: #eab308; }
.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #ef4444; }
.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 0.2rem 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}
.btn-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}
.btn-icon:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(96, 165, 250, 0.1);
}
.btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Forms
   ============================================ */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}
.form-control, .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    /* textarea/select n'héritent pas de la fonte du body par défaut */
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
@media (max-width: 768px) {
    .card { padding: 1rem; }
    /* 16px minimum : évite le zoom automatique d'iOS au focus d'un champ */
    .form-control, .form-select { font-size: 1rem; }
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(96,165,250,.2);
}
.controls-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: 1rem;
}
.controls-row .form-group { margin-bottom: 0; }

/* ============================================
   Chips
   ============================================ */
.chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    max-height: 180px;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-body);
}
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    font-size: 0.78rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    user-select: none;
}
.chip:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}
.chip.active {
    background: rgba(96, 165, 250, 0.15);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 500;
}

/* ============================================
   Tabs
   ============================================ */
.tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}
.tab {
    flex: 1;
    padding: 0.7rem 1.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: none;
    background: transparent;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.tab:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,.05);
}
.tab.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}
.tab svg { width: 18px; height: 18px; flex-shrink: 0; }
.tab-panel { display: none; }
.tab-panel.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-error {
    background: rgba(248,113,113,.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}
.alert-success {
    background: rgba(52,211,153,.1);
    border: 1px solid var(--accent);
    color: var(--accent);
}
.alert-warning {
    background: rgba(251,191,36,.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}
.alert-info {
    background: rgba(96,165,250,.1);
    border: 1px solid var(--primary);
    color: var(--primary);
}

/* ============================================
   Toast notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: 4.5rem;
    right: 1rem;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    pointer-events: auto;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3.5s forwards;
    max-width: 400px;
}
.toast--success {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
}
.toast--error {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}
.toast--warning {
    background: rgba(250, 204, 21, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
}
@keyframes toastIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ============================================
   Confirm Modal (shared)
   ============================================ */
.confirm-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.confirm-modal-overlay.active {
    display: flex;
    animation: confirmFadeIn 0.18s ease-out;
}
@keyframes confirmFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.confirm-modal {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
    text-align: center;
    animation: confirmSlideIn 0.18s ease-out;
}
@keyframes confirmSlideIn {
    from { opacity: 0; transform: scale(0.95) translateY(-8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.confirm-modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}
.confirm-modal-icon svg { width: 24px; height: 24px; }
.confirm-modal-icon--danger {
    background: rgba(248, 113, 113, 0.12);
    color: var(--danger);
}
.confirm-modal-icon--warning {
    background: rgba(250, 204, 21, 0.12);
    color: var(--warning);
}
.confirm-modal-icon--info {
    background: rgba(96, 165, 250, 0.12);
    color: var(--primary);
}
.confirm-modal h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.confirm-modal p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0;
}
.confirm-modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.25rem;
}
.confirm-modal-actions .btn { min-width: 100px; }

/* ============================================
   Tooltip
   ============================================ */
.tooltip {
    position: relative;
    cursor: help;
}
.tooltip-content {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.6rem 0.8rem;
    min-width: 160px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    text-align: left;
    font-size: 0.75rem;
    pointer-events: none;
    white-space: nowrap;
}
.tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--border-color);
}
.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Expandable note (<details>/<summary>, native, zero-JS)
   ============================================ */
.expandable {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--bg-body);
    margin-top: 0.5rem;
}
.expandable > summary {
    cursor: pointer;
    padding: 0.55rem 0.8rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    user-select: none;
}
.expandable > summary::-webkit-details-marker { display: none; }
.expandable > summary::before {
    content: '▸';
    color: var(--primary);
    transition: transform 0.15s ease;
}
.expandable[open] > summary::before { transform: rotate(90deg); }
.expandable[open] > summary { color: var(--text-primary); }
.expandable-body {
    padding: 0 0.8rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.55;
}

/* ============================================
   Badges (statut, version, méta)
   ============================================ */
.badge {
    display: inline-block;
    font-size: 0.68rem;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    white-space: nowrap;
}
.badge--ok {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(52, 211, 153, .1);
}
.badge--warning {
    color: var(--warning);
    border-color: var(--warning);
    background: rgba(250, 204, 21, .1);
}
.badge--info {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(96, 165, 250, .1);
}

/* ============================================
   Demo-specific: response viewer
   ============================================ */
.response-viewer {
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 320px;
    overflow-y: auto;
}
.response-viewer.empty {
    color: var(--text-muted);
    font-style: italic;
}