/* ============================================================
   Components — Buttons, forms, cards, tables, badges, modals
   ============================================================ */

/* ---- Typography ---- */
h1, h2, h3, h4 {
    color: var(--text);
    font-weight: 600;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    background: var(--bg);
    border-color: #cbd5e1;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}

.btn-success:hover {
    background: #15803d;
    border-color: #15803d;
}

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

.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
}

.btn-warning {
    background: var(--warning);
    color: #fff;
    border-color: var(--warning);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg);
    color: var(--text);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 10px 20px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

.btn-icon {
    padding: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--bg);
    color: var(--text);
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.checkbox-group {
    margin-bottom: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.form-help {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ---- Tables ---- */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-white);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background: var(--bg);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 12px 14px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--bg);
}

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

tbody tr.clickable {
    cursor: pointer;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-gray {
    background: #f1f5f9;
    color: var(--text-secondary);
}

.badge-open { background: #dbeafe; color: #1d4ed8; }
.badge-close { background: #fce7f3; color: #be185d; }
.badge-mid { background: #e0e7ff; color: #4338ca; }
.badge-custom { background: #f1f5f9; color: var(--text-secondary); }

/* ---- Modals ---- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.15s ease;
}

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.2s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border-light);
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text);
}

.modal-body {
    padding: 20px 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border-light);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Tabs ---- */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    font-family: var(--font);
}

.tab:hover {
    color: var(--text);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ---- Empty state ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}

.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    max-width: 320px;
    margin: 0 auto;
}

/* ---- Loading ---- */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ---- Search ---- */
.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    padding-left: 36px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ---- Toolbar ---- */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.toolbar-spacer {
    flex: 1;
}

/* ---- Detail Panel ---- */
.detail-panel {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 20px;
}

.detail-panel h3 {
    font-size: 16px;
    margin-bottom: 16px;
}

.detail-row {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    width: 140px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.detail-value {
    font-size: 14px;
    color: var(--text);
    flex: 1;
}

/* ---- Impact card ---- */
.impact-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.impact-card.status-ok {
    border-left: 3px solid var(--success);
}

.impact-card.status-warning {
    border-left: 3px solid var(--warning);
    background: var(--warning-light);
}

.impact-card.status-danger {
    border-left: 3px solid var(--danger);
    background: var(--danger-light);
}

.impact-date {
    font-weight: 600;
    min-width: 80px;
}

.impact-count {
    font-size: 14px;
}

.impact-names {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ---- Week navigator ---- */
.week-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.week-nav .week-label {
    font-size: 15px;
    font-weight: 600;
    min-width: 200px;
    text-align: center;
}

.week-nav .btn {
    padding: 6px 10px;
}