/* ================================================================
   Grocery Time Slots – Public CSS
   Ocado-inspired clean, fresh design
   Compatible with KlbTheme
   ================================================================ */

/* ── Variables ──────────────────────────────────────────── */
:root {
    --gts-primary:       #0f7b3e;
    --gts-primary-dark:  #0a5a2d;
    --gts-primary-light: #e8f5ee;
    --gts-accent:        #ff6b35;
    --gts-gray-100:      #f8f9fa;
    --gts-gray-200:      #e9ecef;
    --gts-gray-400:      #adb5bd;
    --gts-gray-600:      #6c757d;
    --gts-gray-900:      #212529;
    --gts-white:         #ffffff;
    --gts-success:       #28a745;
    --gts-warning:       #ffc107;
    --gts-danger:        #dc3545;
    --gts-radius:        10px;
    --gts-radius-lg:     16px;
    --gts-shadow:        0 2px 16px rgba(0,0,0,0.08);
    --gts-shadow-hover:  0 8px 32px rgba(0,0,0,0.12);
    --gts-transition:    all 0.2s ease;
}

/* ── Slot Picker Wrapper ─────────────────────────────────── */
.gts-slot-picker {
    background: var(--gts-white);
    border: 2px solid var(--gts-gray-200);
    border-radius: var(--gts-radius-lg);
    padding: 24px;
    margin: 24px 0;
    font-family: inherit;
    box-shadow: var(--gts-shadow);
}

/* ── Header ─────────────────────────────────────────────── */
.gts-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--gts-gray-200);
}
.gts-picker-title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gts-gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}
.gts-picker-icon { font-size: 1.4rem; }

.gts-free-delivery-notice {
    background: linear-gradient(135deg, #d4edda, #b8e0c4);
    color: var(--gts-primary-dark);
    border: 1px solid #b8dfc8;
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0;
}
.gts-free-delivery-hint {
    color: var(--gts-gray-600);
    font-size: 0.85rem;
    margin: 0;
}

/* ── Calendar Strip ─────────────────────────────────────── */
.gts-calendar-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}
.gts-cal-days {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    flex: 1;
    scroll-behavior: smooth;
    scrollbar-width: none;
    padding: 4px 0;
}
.gts-cal-days::-webkit-scrollbar { display: none; }

.gts-cal-arrow {
    background: var(--gts-white);
    border: 2px solid var(--gts-gray-200);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--gts-transition);
    color: var(--gts-gray-900);
}
.gts-cal-arrow:hover {
    background: var(--gts-primary);
    border-color: var(--gts-primary);
    color: var(--gts-white);
}
.gts-cal-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gts-cal-day {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 72px;
    border: 2px solid var(--gts-gray-200);
    border-radius: var(--gts-radius);
    cursor: pointer;
    transition: var(--gts-transition);
    background: var(--gts-white);
    position: relative;
}
.gts-cal-day:hover:not(.gts-cal-unavailable) {
    border-color: var(--gts-primary);
    box-shadow: var(--gts-shadow);
    transform: translateY(-2px);
}
.gts-cal-day.gts-cal-selected {
    background: var(--gts-primary);
    border-color: var(--gts-primary);
    color: var(--gts-white);
    box-shadow: 0 4px 16px rgba(15,123,62,0.3);
}
.gts-cal-day.gts-cal-unavailable {
    background: var(--gts-gray-100);
    cursor: not-allowed;
    opacity: 0.5;
}
.gts-cal-day.gts-cal-today::before {
    content: '';
    position: absolute;
    top: 4px;
    width: 6px;
    height: 6px;
    background: var(--gts-accent);
    border-radius: 50%;
}
.gts-cal-selected .gts-cal-today::before { background: white; }

.gts-cal-dow {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gts-gray-600);
}
.gts-cal-selected .gts-cal-dow { color: rgba(255,255,255,0.8); }
.gts-cal-day-num {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
    margin: 2px 0;
    color: var(--gts-gray-900);
}
.gts-cal-selected .gts-cal-day-num { color: var(--gts-white); }
.gts-cal-month {
    font-size: 0.65rem;
    color: var(--gts-gray-600);
}
.gts-cal-selected .gts-cal-month { color: rgba(255,255,255,0.8); }
.gts-cal-min-price {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--gts-primary);
    margin-top: 2px;
}
.gts-cal-selected .gts-cal-min-price { color: rgba(255,255,255,0.9); }
.gts-cal-loading { color: var(--gts-gray-600); padding: 8px 0; font-size: 0.9rem; }

/* ── Slot Grid ───────────────────────────────────────────── */
.gts-slots-container {
    min-height: 120px;
}
.gts-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.gts-slot-card {
    border: 2px solid var(--gts-gray-200);
    border-radius: var(--gts-radius);
    padding: 14px 12px;
    cursor: pointer;
    transition: var(--gts-transition);
    background: var(--gts-white);
    position: relative;
    text-align: center;
}
.gts-slot-card:hover:not(.gts-slot-unavailable) {
    border-color: var(--gts-primary);
    box-shadow: var(--gts-shadow-hover);
    transform: translateY(-2px);
}
.gts-slot-card.gts-slot-selected {
    border-color: var(--gts-primary);
    background: var(--gts-primary-light);
    box-shadow: 0 0 0 3px rgba(15,123,62,0.15);
}
.gts-slot-card.gts-slot-unavailable {
    background: var(--gts-gray-100);
    cursor: not-allowed;
    opacity: 0.5;
}
.gts-slot-card.gts-slot-low-stock .gts-slot-name::after {
    content: ' · ' attr(data-remaining) ' left';
    font-weight: 400;
    color: var(--gts-accent);
    font-size: 0.7rem;
}

.gts-slot-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gts-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}
.gts-slot-time {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gts-gray-900);
    line-height: 1.2;
}
.gts-slot-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gts-primary);
    margin-top: 6px;
}
.gts-slot-price.gts-price-free {
    color: var(--gts-success);
}
.gts-slot-unavailable-label {
    font-size: 0.75rem;
    color: var(--gts-gray-400);
    margin-top: 4px;
}
.gts-slot-selected-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--gts-primary);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.7rem;
}
.gts-slot-selected .gts-slot-selected-check { display: flex; }

/* ── Placeholder ─────────────────────────────────────────── */
.gts-slots-placeholder {
    text-align: center;
    padding: 30px 0;
    color: var(--gts-gray-400);
}
.gts-placeholder-icon { font-size: 2.5rem; margin-bottom: 8px; }
.gts-slots-placeholder p { margin: 0; font-size: 0.95rem; }

.gts-slots-loading {
    text-align: center;
    padding: 30px 0;
    color: var(--gts-gray-600);
}
.gts-loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gts-gray-200);
    border-top-color: var(--gts-primary);
    border-radius: 50%;
    animation: gts-spin 0.8s linear infinite;
    margin: 0 auto 12px;
}
@keyframes gts-spin { to { transform: rotate(360deg); } }

/* ── Selected Summary Banner ─────────────────────────────── */
.gts-selected-summary {
    margin-top: 16px;
    background: var(--gts-primary-light);
    border: 2px solid var(--gts-primary);
    border-radius: var(--gts-radius);
    padding: 14px 16px;
}
.gts-summary-inner {
    display: flex;
    align-items: center;
    gap: 12px;
}
.gts-summary-icon { font-size: 1.4rem; }
.gts-summary-text { flex: 1; }
.gts-summary-text strong { display: block; color: var(--gts-primary-dark); font-size: 0.95rem; }
.gts-summary-text span { font-size: 0.85rem; color: var(--gts-gray-600); }
.gts-change-slot {
    background: none;
    border: 2px solid var(--gts-primary);
    color: var(--gts-primary);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--gts-transition);
}
.gts-change-slot:hover {
    background: var(--gts-primary);
    color: var(--gts-white);
}

/* ── Order page slot display ─────────────────────────────── */
.gts-order-slot {
    background: var(--gts-primary-light);
    border-left: 4px solid var(--gts-primary);
    padding: 16px;
    border-radius: 0 var(--gts-radius) var(--gts-radius) 0;
    margin: 20px 0;
}
.gts-order-slot h2 { margin-top: 0; color: var(--gts-primary-dark); }
.gts-slot-badge {
    background: var(--gts-primary);
    color: white;
    border-radius: 12px;
    padding: 2px 10px;
    font-size: 0.78rem;
    font-weight: 600;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
    .gts-slot-picker { padding: 16px; }
    .gts-slots-grid { grid-template-columns: repeat(2, 1fr); }
    .gts-picker-header { flex-direction: column; align-items: flex-start; }
}

/* ================================================================
   EXPRESS DELIVERY STYLES
   ================================================================ */

/* Section labels */
.gts-section-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 8px 0 6px;
    color: var(--gts-gray-600);
    display: flex;
    align-items: center;
    gap: 6px;
}
.gts-express-label {
    color: #b45309;
}
.gts-express-sublabel {
    font-weight: 400;
    text-transform: none;
    font-size: 0.78rem;
    color: var(--gts-gray-600);
    letter-spacing: 0;
}
.gts-standard-label {
    color: var(--gts-primary-dark);
    margin-top: 16px;
}
.gts-lightning { font-size: 1rem; }

/* Express section container */
.gts-express-section {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border: 1px solid #fde68a;
    border-radius: var(--gts-radius);
    padding: 12px 14px 14px;
    margin-bottom: 16px;
}
.gts-express-grid { margin-top: 4px; }

/* Express slot card */
.gts-slot-card.gts-slot-express {
    border-color: #f59e0b;
    background: linear-gradient(135deg, #fffbeb, #fff);
    position: relative;
    overflow: hidden;
}
.gts-slot-card.gts-slot-express::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}
.gts-slot-card.gts-slot-express:hover:not(.gts-slot-unavailable) {
    border-color: #d97706;
    box-shadow: 0 8px 24px rgba(245,158,11,0.2);
}
.gts-slot-card.gts-slot-express.gts-slot-selected {
    border-color: #d97706;
    background: linear-gradient(135deg, #fef3c7, #fff8e7);
    box-shadow: 0 0 0 3px rgba(245,158,11,0.2);
}
.gts-slot-card.gts-slot-express.gts-slot-selected .gts-slot-selected-check {
    background: #d97706;
}

/* Express badge on card */
.gts-express-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: white;
    font-size: 0.62rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 10px;
    padding: 2px 7px;
    line-height: 1.4;
}
.gts-badge-inline {
    position: static;
    font-size: 0.72rem;
    padding: 2px 8px;
    margin-right: 6px;
    vertical-align: middle;
}

/* Express price colour */
.gts-price-express {
    color: #b45309 !important;
    font-weight: 700;
}

/* Low stock warning */
.gts-low-stock-warn {
    font-size: 0.68rem;
    color: var(--gts-accent);
    font-weight: 600;
    margin-top: 3px;
}

/* Slot selecting (optimistic highlight before AJAX returns) */
.gts-slot-card.gts-slot-selecting {
    opacity: 0.7;
    pointer-events: none;
}

/* ── Selected summary – express variant ─────────────────── */
.gts-selected-summary.gts-summary-express {
    background: linear-gradient(135deg, #fffbeb, #fef3c7);
    border-color: #f59e0b;
}
.gts-selected-summary.gts-summary-express .gts-summary-icon::before { content: '⚡'; }
.gts-selected-summary.gts-summary-express .gts-summary-icon { display: none; }
.gts-selected-summary.gts-summary-express .gts-change-slot {
    border-color: #d97706;
    color: #d97706;
}
.gts-selected-summary.gts-summary-express .gts-change-slot:hover {
    background: #d97706;
    color: white;
}

/* Error notice */
.gts-error-notice {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #c53030;
    border-radius: var(--gts-radius);
    padding: 10px 14px;
    margin-top: 10px;
    font-size: 0.9rem;
}
.gts-error { color: var(--gts-danger); padding: 12px 0; }

/* ── Express min-order notice ───────────────────────────── */
.gts-express-min-notice {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    margin: 0;
}

/* ── Slot time on card — horizontal layout ──────────────── */
.gts-slot-time {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--gts-gray-900);
    margin: 4px 0;
    white-space: nowrap;
}

/* ── Calendar free label ────────────────────────────────── */
.gts-cal-free { color: var(--gts-success) !important; }

/* ── Order page express badge ───────────────────────────── */
.gts-badge-express {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: white;
}
.gts-order-express {
    background: linear-gradient(135deg, #fffbeb, #fff);
    border-left-color: #f59e0b;
}