/* ========================================
   VARIABLES & RESET
======================================== */

:root {
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --dark: #111827;
    --gray: #6b7280;
    --light: #f9fafb;
    --border: #e5e7eb;
    --white: #ffffff;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
}

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

body {
    font-family: var(--font-family);
    background: var(--light);
    color: var(--dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   LAYOUT
======================================== */

#app { position: relative; min-height: 100vh; }

.screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: var(--light);
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    -webkit-overflow-scrolling: touch;
}

.screen.active {
    opacity: 1;
    pointer-events: all;
}

.container {
    max-width: 540px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    padding-bottom: 100px;
}

/* ========================================
   HEADER
======================================== */

.header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.logo {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
}

.header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.subtitle {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ========================================
   CARD
======================================== */

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   FORMULAIRE
======================================== */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color 0.2s;
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   BOUTONS
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
    -webkit-tap-highlight-color: transparent;
    text-align: center;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(29,78,216,0.3);
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
    background: var(--border);
    color: var(--dark);
}
.btn-secondary:hover { background: #d1d5db; }

.btn-ghost {
    background: transparent;
    color: var(--gray);
    border: 2px solid var(--border);
}
.btn-ghost:hover { background: var(--border); }

.btn-block { width: 100%; }
.btn-large { padding: 16px var(--spacing-lg); font-size: 1.05rem; }

.btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ========================================
   BOUTON RETOUR
======================================== */

.btn-back {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    margin-bottom: var(--spacing-md);
    -webkit-tap-highlight-color: transparent;
}

/* ========================================
   ALERTS
======================================== */

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fca5a5;
}

/* ========================================
   SPINNER
======================================== */

.spinner-container {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--gray);
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

/* ========================================
   PLAQUE
======================================== */

.plaque-display {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-align: center;
    background: var(--dark);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
    font-family: 'Courier New', monospace;
}

.plaque-badge {
    background: var(--dark);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 6px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    letter-spacing: 0.06em;
}

.confidence-text {
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   PHOTOS GRILLE
======================================== */

.photos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.photo-thumb {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-thumb-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

/* ========================================
   RÉCAPITULATIF
======================================== */

.recap-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.recap-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

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

.recap-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray);
    min-width: 110px;
    padding-top: 1px;
}

.recap-value {
    font-size: 0.95rem;
    color: var(--dark);
    flex: 1;
    word-break: break-word;
}

/* ========================================
   SUCCÈS
======================================== */

.succes-container {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.succes-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.succes-message {
    color: var(--gray);
    font-size: 1rem;
    margin-top: var(--spacing-sm);
}

/* ========================================
   SUIVI — CARTES
======================================== */

.dossier-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary);
}

.dossier-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.dossier-plaque {
    font-weight: 800;
    font-size: 1.1rem;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.06em;
    background: var(--dark);
    color: var(--white);
    padding: 3px 10px;
    border-radius: 6px;
}

.statut-badge {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    color: var(--white);
}

.dossier-meta {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 6px;
}

.dossier-meta span {
    display: inline-block;
    margin-right: var(--spacing-md);
}

.dossier-restitution {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--dark);
    font-weight: 600;
}

/* ========================================
   EMPTY STATE
======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) 0;
    color: var(--gray);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* ========================================
   INSTRUCTION
======================================== */

.instruction {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

/* ========================================
   CHOIX GRID
======================================== */

.choix-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.choix-item {
    background: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    -webkit-tap-highlight-color: transparent;
}

.choix-item:active {
    transform: scale(0.96);
    box-shadow: var(--shadow-sm);
}

.choix-icon { font-size: 2.8rem; margin-bottom: var(--spacing-sm); }
.choix-label { font-size: 0.95rem; font-weight: 700; color: var(--dark); }

/* ========================================
   TOAST
======================================== */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: var(--white);
    padding: 12px 24px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    text-align: center;
}