/* ============================================
   InterFast PWA Public - Styles
   Version: 3.0.0
   ============================================ */

:root {
    --primary: #004344;
    --primary-light: #006566;
    --primary-dark: #003233;
    --accent: #10b981;
    --accent-light: #d1fae5;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    /* Support iOS safe area pour mode standalone */
    padding-top: constant(safe-area-inset-top); /* iOS 11.0-11.2 */
    padding-top: env(safe-area-inset-top, 0); /* iOS 11.2+ */
}

#app { min-height: 100vh; display: flex; flex-direction: column; }

/* ============================================
   Install Banner
   ============================================ */
.install-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: 12px 16px;
    /* Support iOS safe area (notch) */
    padding-top: calc(12px + env(safe-area-inset-top, 0));
    z-index: 1000;
    animation: slideDown 0.3s ease;
}
.install-banner[hidden] { display: none; }
@keyframes slideDown { from { transform: translateY(-100%); } to { transform: translateY(0); } }
.install-banner-content { display: flex; align-items: center; gap: 12px; max-width: 600px; margin: 0 auto; }
.install-banner-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--white); flex-shrink: 0; }
.install-banner-text { flex: 1; min-width: 0; }
.install-banner-text strong { display: block; font-size: 14px; font-weight: 600; }
.install-banner-text span { font-size: 12px; opacity: 0.9; }
.install-banner-btn {
    background: var(--white);
    color: var(--primary);
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
}
.install-banner-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
    padding: 4px;
}

/* ============================================
   Header
   ============================================ */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    /* Support iOS safe area (notch) - avec fallback */
    padding-top: env(safe-area-inset-top, 0);
}
/* Extension du header pour couvrir la zone safe area iOS */
.header::before {
    content: '';
    position: absolute;
    top: calc(-1 * env(safe-area-inset-top, 0));
    left: 0;
    right: 0;
    height: env(safe-area-inset-top, 0);
    background: var(--white);
}
.header-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { width: 36px; height: 36px; border-radius: 8px; }
.logo-text { font-size: 16px; font-weight: 700; color: var(--gray-800); }
.header-phone {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    text-decoration: none;
}

/* ============================================
   Main & Views
   ============================================ */
.main { flex: 1; max-width: 600px; margin: 0 auto; width: 100%; }
.view { display: none; padding: 20px 16px; animation: fadeIn 0.3s ease; }
.view.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================
   View Header
   ============================================ */
.view-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}
.view-header h2 { flex: 1; font-size: 18px; font-weight: 700; }
.step-indicator {
    background: var(--gray-100);
    color: var(--gray-500);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.btn-back {
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}

/* ============================================
   Hero (Home)
   ============================================ */
.hero { text-align: center; padding: 40px 0 30px; }
.hero-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero h1 { font-size: 32px; font-weight: 800; line-height: 1.2; margin-bottom: 12px; color: var(--gray-900); }
.hero-accent { color: var(--primary); }
.hero-subtitle { color: var(--gray-500); font-size: 15px; margin-bottom: 24px; }

.next-slot-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 24px;
    text-align: left;
}
.next-slot-loading { display: flex; align-items: center; gap: 12px; color: var(--gray-500); font-size: 14px; }
.next-slot-content { display: flex; align-items: center; gap: 14px; }
.next-slot-content[hidden] { display: none; }
.next-slot-icon { font-size: 28px; }
.next-slot-info { display: flex; flex-direction: column; }
.next-slot-info strong { font-size: 13px; color: var(--gray-500); font-weight: 500; }
.next-slot-info span { font-size: 15px; font-weight: 600; color: var(--gray-800); }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 10px; }
.feature {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    text-decoration: none;
    color: inherit;
}
.feature-icon { font-size: 24px; margin-bottom: 8px; }
.feature h3 { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.feature p { font-size: 11px; color: var(--gray-500); }
.feature-link { transition: all 0.2s; }
.feature-link:hover { border-color: var(--primary); background: var(--gray-50); }

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,67,68,0.25); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-change {
    background: var(--gray-100);
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
}

/* ============================================
   Calendar
   ============================================ */
.calendar-container { margin-bottom: 20px; }
.calendar {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.calendar-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.calendar-nav h3 { font-size: 16px; font-weight: 700; text-transform: capitalize; }
.calendar-nav-btn {
    width: 36px;
    height: 36px;
    background: var(--gray-100);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; margin-bottom: 8px; }
.calendar-weekdays span { font-size: 12px; font-weight: 600; color: var(--gray-400); padding: 8px 0; }
.calendar-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--gray-700);
    transition: all 0.15s;
}
.calendar-day:disabled { color: var(--gray-300); cursor: not-allowed; }
.calendar-day.available { background: rgba(0,67,68,0.08); color: var(--primary); font-weight: 600; }
.calendar-day.available:hover { background: rgba(0,67,68,0.15); }
.calendar-day.urgent { background: rgba(245,158,11,0.15); color: var(--warning); }
.calendar-day.today { border: 2px solid var(--primary); }
.calendar-day.selected { background: var(--primary) !important; color: var(--white) !important; }

.calendar-legend { display: flex; justify-content: center; gap: 20px; margin-top: 16px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-500); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
.legend-dot.available { background: rgba(0,67,68,0.3); }
.legend-dot.today { border: 2px solid var(--primary); background: none; }
.legend-dot.urgent { background: rgba(245,158,11,0.5); }

/* Slots */
.slots-container { margin-top: 20px; }
.slots-container[hidden] { display: none; }
.slots-title { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: var(--gray-700); }
.slots-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.slot-btn {
    padding: 14px 12px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.15s;
}
.slot-btn:hover { border-color: var(--primary); }
.slot-btn.selected { background: var(--primary); border-color: var(--primary); color: var(--white); }
.slot-btn.urgent { border-color: var(--warning); color: var(--warning); }

/* ============================================
   Form
   ============================================ */
.selected-slot-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--accent-light);
    border: 1px solid #a7f3d0;
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 20px;
}
.selected-slot-info { display: flex; align-items: center; gap: 10px; }
.selected-slot-icon { font-size: 20px; }
#selectedSlotText { font-size: 14px; font-weight: 600; color: var(--gray-800); }

.booking-form { display: flex; flex-direction: column; gap: 20px; }
.form-section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
}
.form-section-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { margin-bottom: 14px; }
.form-group:last-child { margin-bottom: 0; }
.form-group-small { flex: 0 0 100px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    color: var(--gray-800);
    transition: all 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0,67,68,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }

/* Upload */
.upload-zone {
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
.upload-zone:hover { border-color: var(--primary); background: var(--gray-50); }
.upload-zone-content { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--gray-500); }
.upload-zone-content span { font-size: 14px; }
.upload-zone-content small { font-size: 12px; color: var(--gray-400); }

/* Upload buttons */
.upload-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}
.upload-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.upload-btn:hover, .upload-btn:active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}
.upload-btn svg {
    color: var(--primary);
}
.upload-hint {
    display: block;
    font-size: 12px;
    color: var(--gray-400);
    text-align: center;
    margin-top: 8px;
}

.upload-preview { display: grid; grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 10px; margin-top: 12px; }
.upload-preview:empty { display: none; }
.upload-item { position: relative; aspect-ratio: 1; border-radius: 10px; overflow: hidden; background: var(--gray-100); }
.upload-item img { width: 100%; height: 100%; object-fit: cover; }
.upload-item-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-footer { padding-top: 10px; }
.btn-submit .btn-loading { display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-submit .btn-loading[hidden] { display: none; }

/* ============================================
   Confirmation
   ============================================ */
.confirmation { text-align: center; padding: 40px 0; }
.confirmation-icon { color: var(--accent); margin-bottom: 20px; }
.confirmation h1 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.confirmation-message { color: var(--gray-500); font-size: 15px; margin-bottom: 24px; }
.confirmation-details {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    text-align: left;
}
.confirmation-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--gray-100); }
.confirmation-item:last-child { border-bottom: none; }
.confirmation-label { font-size: 14px; color: var(--gray-500); }
.confirmation-value { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.confirmation-note { color: var(--gray-500); font-size: 14px; margin-bottom: 24px; line-height: 1.6; }

/* ============================================
   Modal (Install Instructions)
   ============================================ */
.modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.modal-content {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 380px;
    width: 100%;
    animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: var(--gray-100);
    border: none;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
}
.modal-header { text-align: center; margin-bottom: 24px; }
.modal-icon { width: 64px; height: 64px; border-radius: 16px; margin-bottom: 16px; }
.modal-header h2 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.modal-header p { font-size: 14px; color: var(--gray-500); }

.install-steps { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.install-step { display: flex; gap: 14px; }
.install-step-num {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}
.install-step-content { display: flex; flex-direction: column; }
.install-step-content strong { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.install-step-content span { font-size: 13px; color: var(--gray-500); }
.ios-share-icon { font-size: 16px; }

/* ============================================
   Loading & Toast
   ============================================ */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}
.loading-overlay[hidden] { display: none; }
.loading-overlay p { color: var(--gray-600); font-size: 15px; margin-top: 16px; }

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
.spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--gray-800);
    color: var(--white);
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    z-index: 3001;
    opacity: 0;
    transition: all 0.3s ease;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.toast.error { background: var(--danger); }
.toast.success { background: var(--accent); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 400px) {
    .form-row { grid-template-columns: 1fr; }
    .slots-grid { grid-template-columns: repeat(2, 1fr); }
    .features { gap: 8px; }
    .feature { padding: 12px 8px; }
    .hero h1 { font-size: 26px; }
}