:root {
    --primary: #2563EB; /* Deep Blue */
    --primary-light: #EFF6FF;
    --accent: #10B981; /* Emerald Green */
    --accent-light: #ECFDF5;
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    --border-color: #E2E8F0;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #E2E8F0; /* Darker bg outside frame */
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
}

/* Mobile Frame Simulation for Desktop */
.mobile-frame {
    width: 100%;
    max-width: 414px; /* iPhone Pro Max width */
    height: 100vh;
    background-color: var(--bg-main);
    position: relative;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@media (min-width: 420px) {
    .mobile-frame {
        height: 90vh;
        max-height: 896px;
        margin-top: 5vh;
        border-radius: 40px;
        border: 8px solid #1E293B;
    }
}

/* App Content Area */
#app-content {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 80px; /* Space for nav */
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

#app-content::-webkit-scrollbar {
    width: 0; /* Hide scrollbar for clean look */
}

/* Bottom Navigation */
.bottom-nav {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
}

.nav-item {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 60px;
}

.nav-item i {
    font-size: 20px;
    transition: transform 0.2s ease;
}

.nav-item.active {
    color: var(--primary);
}
.nav-item.active i {
    transform: translateY(-2px);
}

/* Headers */
.header {
    padding: 24px 20px 16px;
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.location-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px 12px;
    border-radius: var(--radius-full);
}
.header-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
}
.header-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Search Bar */
.search-container {
    position: relative;
    margin-bottom: 16px;
}
.search-container i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}
.search-input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Filter Chips */
.filter-scroll {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
}
.filter-scroll::-webkit-scrollbar { display: none; }
.chip {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}
.chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.sort-container {
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 0 4px;
}

.sort-select {
    padding: 6px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    flex: 1;
}

.sort-select:focus {
    border-color: var(--primary);
}

/* Vendor List */
.vendor-list {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.empty-icon {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    background: var(--bg-main);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}
.vendor-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-color);
}
.vendor-card:active {
    transform: scale(0.98);
}
.vendor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.vendor-name {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}
.vendor-meta {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.vendor-meta i {
    font-size: 4px;
}
.verified-icon {
    color: var(--accent);
    font-size: 16px;
}
.vendor-services {
    font-size: 13px;
    color: var(--text-secondary);
    background: var(--bg-main);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    display: inline-block;
}
.badge-verified {
    background: var(--accent-light);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    font-size: 14px;
}
.rating i { color: var(--warning); }
.vendor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}
.price-range {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
}
.price-est {
    font-size: 14px;
    font-weight: 600;
}
.price-est span {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Tooltip system */
.tooltip-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.tooltip-box {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: #1E293B;
    color: white;
    font-size: 12px;
    line-height: 1.5;
    padding: 10px 12px;
    border-radius: 10px;
    white-space: nowrap;
    z-index: 100;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    animation: fadeIn 0.15s ease;
}
.tooltip-box::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 12px;
    border: 6px solid transparent;
    border-top-color: #1E293B;
}
.tooltip-box.visible {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Protected badge on vendor cards */
.protected-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #F0FDF4;
    color: #16A34A;
    border: 1px solid #BBF7D0;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background 0.15s;
}
.protected-badge:hover {
    background: #DCFCE7;
}

/* Back Header for Pages */
.page-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    /* Needed so absolutely-positioned children (e.g. bell icon) anchor here */
    isolation: isolate;
}
.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--bg-main);
    color: var(--text-primary);
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* Service List & Qty Control */
.section-title {
    font-size: 18px;
    font-weight: 700;
    padding: 20px 0 10px;
}
.service-item {
    background: var(--bg-card);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.qty-control {
    display:flex; align-items:center; gap:12px;
    background:var(--bg-main); border-radius:var(--radius-full); padding:4px; border:1px solid var(--border-color);
}
.qty-btn {
    width:28px; height:28px; border-radius:50%; border:none; background:white; box-shadow:var(--shadow-sm); font-size:12px; cursor:pointer; color:var(--text-primary);
    display:flex; align-items:center; justify-content:center;
}
.qty-btn:active { background:var(--bg-main); }
.qty-val { font-weight:600; width:16px; text-align:center; font-size:14px; }

/* Reviews */
.review-card {
    background:var(--bg-card); padding:16px; border-radius:var(--radius-md); border:1px solid var(--border-color);
}
.review-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.reviewer-name { font-weight:600; font-size:14px; }
.review-service { font-size:11px; background:var(--bg-main); padding:4px 8px; border-radius:var(--radius-full); color:var(--text-secondary); font-weight:500;}
.review-rating { color:var(--warning); font-size:10px; margin-bottom:8px; display:flex; gap:2px; }
.review-text { font-size:13px; color:var(--text-secondary); line-height:1.5; }

/* Fixed Bottom Action Bar */
.bottom-action-bar {
    position: sticky;
    bottom: 0;
    padding: 16px 20px 30px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
    z-index: 20;
}
.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
    font-size: 16px;
    font-weight: 600;
    padding: 16px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
    font-family: inherit;
}
.btn-primary:active {
    background: #1D4ED8;
}

/* Checkout Wizard Styles */
.slot-chip {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.slot-chip.selected {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.summary-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 16px;
}
.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.summary-header h3 {
    font-size: 16px;
    font-weight: 600;
}
.summary-header a {
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
}

/* Time Slots */
.slot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
    margin-bottom: 24px;
}
.slot-btn {
    padding: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.slot-btn.selected {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* Order Tracking */
.tracking-container {
    padding: 20px;
}
.status-banner {
    background: var(--primary);
    color: white;
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}
.status-banner h2 {
    font-size: 20px;
    margin-bottom: 4px;
}
.status-banner p {
    font-size: 14px;
    opacity: 0.9;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 24px;
    margin-left: 12px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-left: 2px solid var(--border-color);
}
.timeline-item {
    position: relative;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    z-index: 2;
}
.timeline-item.completed::before {
    background: var(--accent);
    border-color: var(--accent);
}
.timeline-item.active::before {
    background: var(--bg-card);
    border-color: var(--primary);
    border-width: 3px;
}
.timeline-item h4 {
    font-size: 15px;
    margin-bottom: 4px;
}
.timeline-item.completed h4, .timeline-item.active h4 {
    color: var(--text-primary);
}
.timeline-item:not(.completed):not(.active) h4 {
    color: var(--text-tertiary);
}
.timeline-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Notification Mock */
.notification-card {
    background: #FFFBEB; /* Yellowish for alert */
    border: 1px solid #FDE68A;
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.notification-card i {
    color: var(--warning);
    font-size: 20px;
    margin-top: 2px;
}
.notification-content h4 {
    font-size: 14px;
    color: #92400E;
    margin-bottom: 4px;
}
.notification-content p {
    font-size: 13px;
    color: #B45309;
    line-height: 1.4;
}

/* Auth & Location Screens */
.auth-container {
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}
.auth-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}
.auth-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}
.input-group {
    margin-bottom: 16px;
}
.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}
.input-field {
    width: 100%;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-main);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}
.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.location-container {
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
    justify-content: center;
}
.icon-large {
    font-size: 64px;
    color: var(--primary);
    margin-bottom: 24px;
    background: var(--primary-light);
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.location-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}
.location-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.5;
}
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0;
    color: var(--text-tertiary);
    font-size: 13px;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}
.divider::before { margin-right: .5em; }
.divider::after { margin-left: .5em; }

/* Bottom Sheet */
.bottom-sheet { position: absolute; inset: 0; z-index: 200; pointer-events: none; }
.bottom-sheet.open { pointer-events: auto; }
.bottom-sheet-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,0.4);
    opacity: 0; transition: opacity 0.25s;
}
.bottom-sheet.open .bottom-sheet-overlay { opacity: 1; }
.bottom-sheet-content {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: var(--bg-card); border-radius: 24px 24px 0 0;
    padding: 12px 20px 32px; box-shadow: var(--shadow-lg);
    transform: translateY(100%); transition: transform 0.3s cubic-bezier(0.32,0.72,0,1);
}
.bottom-sheet.open .bottom-sheet-content { transform: translateY(0); }
.sheet-drag-handle {
    width: 36px; height: 4px; border-radius: 9999px;
    background: var(--border-color); margin: 0 auto 16px;
}

/* Modal overlay (report issue, notifications) */
.modal-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: flex-end; z-index: 200;
    opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal-content {
    background: var(--bg-card); border-radius: 24px 24px 0 0;
    padding: 20px 20px 36px; width: 100%;
    max-height: 85vh; overflow-y: auto;
    transform: translateY(40px); transition: transform 0.25s;
}
.modal-overlay.open .modal-content { transform: translateY(0); }

/* Tracking timeline */
.tracking-timeline { display: flex; flex-direction: column; gap: 0; }
.tracking-step {
    display: flex; gap: 14px; padding: 10px 0;
    position: relative;
}
.tracking-step:not(:last-child)::after {
    content: ''; position: absolute; left: 15px; top: 32px;
    width: 2px; bottom: -10px; background: var(--border-color);
}
.tracking-step.completed:not(:last-child)::after { background: var(--accent); }
.tracking-icon { width: 32px; flex-shrink: 0; display: flex; justify-content: center; }
.tracking-title { font-size: 14px; font-weight: 500; color: var(--text-primary); }
.tracking-step:not(.completed):not(.active) .tracking-title { color: var(--text-tertiary); }
.tracking-time { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ── Profile Screen ── */
.profile-avatar {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700;
    flex-shrink: 0;
}
.profile-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin: 0 16px 16px;
    overflow: hidden;
}
.profile-section-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border-color);
}
.profile-section-title {
    font-size: 15px; font-weight: 700; color: var(--text-primary);
    display: flex; align-items: center; gap: 8px;
}
.profile-section-title i { color: var(--primary); font-size: 14px; }
.profile-row {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}
.profile-row:last-child { border-bottom: none; }
.profile-row-icon {
    width: 36px; height: 36px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.profile-row-body { flex: 1; min-width: 0; }
.profile-row-label { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.profile-row-sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.profile-link-btn {
    font-size: 12px; font-weight: 600; color: var(--primary);
    background: none; border: none; cursor: pointer; padding: 0; white-space: nowrap;
}

/* Toggle */
.toggle-switch {
    position: relative; width: 44px; height: 24px; flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
    position: absolute; inset: 0;
    background: var(--border-color); border-radius: 9999px;
    cursor: pointer; transition: background 0.2s;
}
.toggle-thumb {
    position: absolute; top: 3px; left: 3px;
    width: 18px; height: 18px; border-radius: 50%;
    background: white; box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}
.toggle-switch input:checked ~ .toggle-track { background: var(--accent); }
.toggle-switch input:checked ~ .toggle-track .toggle-thumb { transform: translateX(20px); }

/* FAQ Accordion */
.faq-item {
    border-bottom: 1px solid var(--border-color);
}
.faq-item:last-child { border-bottom: none; }
.faq-question {
    width: 100%; background: none; border: none;
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 16px; gap: 12px;
    text-align: left; cursor: pointer;
    font-size: 14px; font-weight: 500; color: var(--text-primary); font-family: inherit;
}
.faq-question i { color: var(--text-tertiary); font-size: 12px; transition: transform 0.2s; flex-shrink: 0; }
.faq-answer {
    display: none;
    padding: 0 16px 14px;
    font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-item.open .faq-answer { display: block; }

/* Referral Box */
.referral-code-box {
    display: flex; align-items: center; justify-content: space-between;
    background: var(--primary-light); border: 1.5px dashed var(--primary);
    border-radius: var(--radius-md); padding: 12px 16px; margin: 12px 16px;
}
.referral-code {
    font-size: 20px; font-weight: 700; letter-spacing: 3px; color: var(--primary);
}

/* Google login floating label */
#google-email:not(:placeholder-shown) + label,
#google-email:focus + label {
    top: 8px;
    font-size: 12px;
    transform: translateY(0);
}

/* Address quick-select chips in checkout */
.addr-chip {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 14px; border: 1px solid var(--border-color);
    border-radius: var(--radius-md); background: var(--bg-card);
    cursor: pointer; transition: all 0.15s; font-size: 13px; font-weight: 500;
}
.addr-chip.selected {
    border-color: var(--primary); background: var(--primary-light); color: var(--primary);
}
.addr-chip i { font-size: 13px; }