/**
 * SleepBiome Order Tracking — Frontend Styles
 *
 * Design: Clean, modern, matches Shoptimizer theme.
 * Colors: SleepBiome brand (#1a1a2e primary, #4361ee accent, #f8f9fa background).
 * Mobile-first responsive design.
 */

/* ─── Variables ─── */
:root {
    --sbt-primary: #1a1a2e;
    --sbt-accent: #4361ee;
    --sbt-accent-light: #6c85f7;
    --sbt-success: #10b981;
    --sbt-warning: #f59e0b;
    --sbt-bg: #f8f9fa;
    --sbt-card-bg: #ffffff;
    --sbt-text: #1a1a2e;
    --sbt-text-secondary: #6b7280;
    --sbt-border: #e5e7eb;
    --sbt-radius: 12px;
    --sbt-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --sbt-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

/* ─── Reset & Container ─── */
.sbt-tracking-app {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px 60px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--sbt-text);
    line-height: 1.5;
}
.sbt-tracking-app * { box-sizing: border-box; }

/* ─── Search Section ─── */
.sbt-search-section {
    text-align: center;
    margin-bottom: 32px;
}
.sbt-search-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--sbt-primary);
}
.sbt-search-subtitle {
    color: var(--sbt-text-secondary);
    margin: 0 0 20px;
    font-size: 15px;
}

/* Tabs */
.sbt-search-tabs {
    display: inline-flex;
    gap: 4px;
    background: var(--sbt-bg);
    padding: 4px;
    border-radius: 8px;
    margin-bottom: 16px;
}
.sbt-tab {
    padding: 8px 20px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--sbt-text-secondary);
    transition: all 0.2s;
}
.sbt-tab-active {
    background: var(--sbt-card-bg);
    color: var(--sbt-text);
    box-shadow: var(--sbt-shadow);
}

/* Search Form */
.sbt-input-group {
    display: flex;
    gap: 8px;
    max-width: 520px;
    margin: 0 auto;
}
.sbt-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--sbt-border);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.sbt-input:focus {
    border-color: var(--sbt-accent);
}
.sbt-btn {
    padding: 12px 28px;
    background: var(--sbt-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}
.sbt-btn:hover { background: var(--sbt-accent-light); }
.sbt-btn-secondary {
    background: var(--sbt-bg);
    color: var(--sbt-text);
    border: 2px solid var(--sbt-border);
}
.sbt-btn-secondary:hover { background: var(--sbt-border); }

/* Order fields — stacked */
.sbt-order-fields {
    flex-direction: column;
}
.sbt-order-fields .sbt-btn {
    width: 100%;
}

/* ─── Loading ─── */
.sbt-loading {
    text-align: center;
    padding: 60px 0;
}
.sbt-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sbt-border);
    border-top-color: var(--sbt-accent);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: sbt-spin 0.8s linear infinite;
}
@keyframes sbt-spin { to { transform: rotate(360deg); } }

/* ─── Error ─── */
.sbt-error {
    text-align: center;
    padding: 48px 0;
}
.sbt-error-icon {
    width: 48px;
    height: 48px;
    background: #fee2e2;
    color: #ef4444;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
    font-weight: 700;
}
.sbt-error-msg {
    color: var(--sbt-text-secondary);
    margin: 0 0 16px;
}

/* ─── Progress Bar ─── */
.sbt-progress-section {
    background: var(--sbt-card-bg);
    border-radius: var(--sbt-radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--sbt-shadow);
}
.sbt-status-label {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--sbt-primary);
}
.sbt-progress-bar {
    position: relative;
    margin-bottom: 12px;
}
.sbt-progress-fill {
    position: absolute;
    top: 12px;
    left: 0;
    height: 4px;
    background: var(--sbt-accent);
    border-radius: 2px;
    transition: width 0.6s ease;
    z-index: 1;
}
.sbt-progress-stages {
    display: flex;
    justify-content: space-between;
    position: relative;
}
.sbt-progress-stages::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--sbt-border);
    border-radius: 2px;
}
.sbt-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
}
.sbt-stage-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--sbt-card-bg);
    border: 3px solid var(--sbt-border);
    transition: all 0.3s;
    margin-bottom: 8px;
}
.sbt-stage.active .sbt-stage-dot,
.sbt-stage.completed .sbt-stage-dot {
    border-color: var(--sbt-accent);
    background: var(--sbt-accent);
}
.sbt-stage.active .sbt-stage-dot {
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.2);
}
.sbt-stage.completed.delivered .sbt-stage-dot {
    border-color: var(--sbt-success);
    background: var(--sbt-success);
}
.sbt-stage span {
    font-size: 12px;
    color: var(--sbt-text-secondary);
    text-align: center;
    white-space: nowrap;
}
.sbt-stage.active span,
.sbt-stage.completed span {
    color: var(--sbt-text);
    font-weight: 600;
}
.sbt-eta {
    text-align: center;
    color: var(--sbt-text-secondary);
    font-size: 14px;
    margin-top: 4px;
}
.sbt-eta strong {
    color: var(--sbt-text);
}

/* ─── Content Grid ─── */
.sbt-content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 32px;
}
@media (min-width: 768px) {
    .sbt-content-grid {
        grid-template-columns: 1fr 320px;
    }
}

.sbt-section-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--sbt-primary);
}

/* ─── Timeline ─── */
.sbt-timeline-column {
    background: var(--sbt-card-bg);
    border-radius: var(--sbt-radius);
    padding: 24px;
    box-shadow: var(--sbt-shadow);
}
.sbt-timeline {
    position: relative;
}
.sbt-timeline-event {
    display: flex;
    gap: 16px;
    padding-bottom: 24px;
    position: relative;
}
.sbt-timeline-event:last-child { padding-bottom: 0; }

/* Vertical line */
.sbt-timeline-event::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 26px;
    bottom: 0;
    width: 2px;
    background: var(--sbt-border);
}
.sbt-timeline-event:last-child::before { display: none; }

/* Dot */
.sbt-tl-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--sbt-bg);
    border: 2px solid var(--sbt-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}
.sbt-timeline-event:first-child .sbt-tl-dot {
    background: var(--sbt-accent);
    border-color: var(--sbt-accent);
}
.sbt-timeline-event.delivered .sbt-tl-dot {
    background: var(--sbt-success);
    border-color: var(--sbt-success);
}
.sbt-tl-dot svg {
    width: 12px;
    height: 12px;
    fill: white;
}

.sbt-tl-content {
    flex: 1;
    min-width: 0;
}
.sbt-tl-desc {
    font-size: 14px;
    font-weight: 500;
    color: var(--sbt-text);
    margin-bottom: 2px;
}
.sbt-tl-date {
    font-size: 13px;
    color: var(--sbt-text-secondary);
}
.sbt-tl-location {
    font-size: 12px;
    color: var(--sbt-text-secondary);
    margin-top: 2px;
}

/* Collapse toggle */
.sbt-timeline-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--sbt-accent);
    font-size: 13px;
    cursor: pointer;
    border: none;
    background: none;
    font-weight: 500;
}

/* ─── Cards (right column) ─── */
.sbt-card {
    background: var(--sbt-card-bg);
    border-radius: var(--sbt-radius);
    padding: 20px;
    box-shadow: var(--sbt-shadow);
    margin-bottom: 16px;
}
.sbt-card:last-child { margin-bottom: 0; }
.sbt-card h4 {
    font-size: 14px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--sbt-primary);
}

/* Carrier Card */
.sbt-carrier-info {
    display: flex;
    align-items: center;
    gap: 14px;
}
.sbt-carrier-logo {
    width: 48px;
    height: 48px;
    background: var(--sbt-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
}
.sbt-carrier-name {
    font-weight: 600;
    font-size: 15px;
}
.sbt-carrier-tracking {
    font-size: 13px;
    color: var(--sbt-text-secondary);
    margin-top: 2px;
}
.sbt-carrier-tracking a {
    color: var(--sbt-accent);
    text-decoration: none;
}
.sbt-carrier-tracking a:hover { text-decoration: underline; }

/* Map */
.sbt-map {
    height: 200px;
    border-radius: 8px;
    overflow: hidden;
}
.sbt-map-card {
    padding: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* Order Items */
.sbt-order-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--sbt-border);
}
.sbt-order-item:last-child { border-bottom: none; }
.sbt-order-item img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 6px;
}
.sbt-order-item-name {
    font-size: 14px;
    font-weight: 500;
}
.sbt-order-item-qty {
    font-size: 12px;
    color: var(--sbt-text-secondary);
}

/* ─── Product Recommendations ─── */
.sbt-recommendations {
    margin-top: 8px;
}
.sbt-rec-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
@media (min-width: 640px) {
    .sbt-rec-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
.sbt-rec-item {
    background: var(--sbt-card-bg);
    border-radius: var(--sbt-radius);
    padding: 12px;
    text-align: center;
    text-decoration: none;
    color: var(--sbt-text);
    box-shadow: var(--sbt-shadow);
    transition: box-shadow 0.2s, transform 0.2s;
}
.sbt-rec-item:hover {
    box-shadow: var(--sbt-shadow-lg);
    transform: translateY(-2px);
}
.sbt-rec-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
}
.sbt-rec-name {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sbt-rec-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--sbt-accent);
}

/* ─── Mobile Responsive ─── */
@media (max-width: 640px) {
    .sbt-search-title { font-size: 22px; }
    .sbt-input-group {
        flex-direction: column;
    }
    .sbt-btn { width: 100%; }
    .sbt-stage span { font-size: 10px; }
    .sbt-stage-dot { width: 22px; height: 22px; }
    .sbt-progress-fill { top: 10px; }
    .sbt-progress-stages::before { top: 10px; }
    .sbt-progress-section { padding: 16px; }
    .sbt-timeline-column { padding: 16px; }
    .sbt-status-label { font-size: 18px; }
}

/* ─── Delivered State ─── */
.sbt-tracking-app[data-delivered="true"] .sbt-progress-fill {
    background: var(--sbt-success);
}
.sbt-tracking-app[data-delivered="true"] .sbt-status-label {
    color: var(--sbt-success);
}

/* ─── Leaflet overrides ─── */
.sbt-map .leaflet-control-attribution {
    font-size: 10px;
}