* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    padding-bottom: calc(var(--spacing-5) + env(safe-area-inset-bottom, 0px));
    -webkit-font-smoothing: antialiased;
}

.day-banner {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--color-header-bg);
    color: var(--color-header-text);
    text-align: center;
    padding: calc(var(--spacing-2) + env(safe-area-inset-top, 0px)) var(--spacing-3) var(--spacing-2);
    font-weight: 600;
    font-size: 0.9rem;
}

.page-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-3) var(--spacing-2);
}

.page-header__logo { height: 50px; width: auto; }
.page-header__title { margin: 0; font-size: 1.3rem; font-weight: 700; text-align: center; letter-spacing: -0.01em; }

form, .message-card {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--spacing-3);
}

.quick-links {
    display: flex;
    gap: var(--spacing-3);
    margin: var(--spacing-3) 0;
}

.quick-links__planning {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-3);
}

.btn {
    display: inline-flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    color: #fff;
    background: var(--color-primary);
    min-height: 48px;
    box-shadow: var(--shadow-xs);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn:active { transform: scale(.98); }

.btn--primary { background: var(--color-primary); }
.btn--warning { background: var(--color-warning); color: #fff; }
.btn--accent { background: var(--color-accent); }
.btn--ghost {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    flex: none;
    min-height: 36px;
    padding: 8px 14px;
    font-size: 0.85rem;
    box-shadow: none;
}

/* --- Cartes --- */

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-border);
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-3) calc(var(--spacing-3) - 4px);
    margin-bottom: var(--spacing-3);
    box-shadow: var(--shadow-sm);
}

.card--questions { border-left-color: var(--color-primary); }
.card--photos-sn { border-left-color: var(--color-warning); }
.card--photos-bl { border-left-color: var(--color-accent); }

.card__title {
    display: block;
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: var(--spacing-3);
}

/* --- Questions --- */

.question-row {
    margin-bottom: var(--spacing-3);
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--color-border);
}

.question-row:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.question-row__label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.question-row__choices {
    display: flex;
    gap: var(--spacing-3);
}

.radio-pill {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px;
    min-height: 48px;
    font-weight: 600;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.radio-pill:has(input:checked) {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.radio-pill input {
    transform: scale(1.6);
    margin: 0;
    accent-color: var(--color-primary);
}

/* --- Photos --- */

.photo-slot {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.photo-slot--done {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.photo-slot__label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.photo-slot__status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    color: var(--color-success);
    font-weight: 600;
    margin-bottom: 6px;
}

.photo-slot__input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}

.photo-slot__input.is-hidden { display: none; }

.photo-slot__preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
    padding: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.photo-slot__preview[hidden] { display: none; }

.photo-slot__preview img {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 6px;
    flex: none;
    background: var(--color-surface-alt);
}

.photo-slot__preview-info {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.3;
    overflow: hidden;
}

.photo-slot__preview-info strong { display: block; color: var(--color-text); font-weight: 600; }

/* --- Overlay de progression d'envoi --- */

.upload-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    padding: var(--spacing-3);
}

.upload-overlay[hidden] { display: none; }

.upload-overlay__panel {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    width: 100%;
    max-width: 320px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.upload-overlay__title { font-weight: 700; margin-bottom: var(--spacing-3); }

.upload-overlay__bar {
    height: 12px;
    border-radius: 999px;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    overflow: hidden;
    margin-bottom: var(--spacing-2);
}

.upload-overlay__bar-fill {
    height: 100%;
    width: 0%;
    background: var(--color-success);
    transition: width 0.15s ease;
}

.upload-overlay__percent { font-weight: 700; font-variant-numeric: tabular-nums; }

/* --- Bouton de soumission --- */

#submitBtn {
    width: 100%;
    padding: 16px;
    background: var(--color-border-strong);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: not-allowed;
    min-height: 52px;
    box-shadow: none;
}

#submitBtn:not(:disabled) {
    background: var(--color-success);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

/* --- Feedback flottant (sauvegarde des réponses) --- */

.feedback {
    position: fixed;
    top: calc(16px + env(safe-area-inset-top, 0px));
    right: 16px;
    left: 16px;
    max-width: 400px;
    margin: 0 auto;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: #fff;
    font-weight: 600;
    z-index: 1000;
    text-align: center;
    transition: opacity .3s ease;
    box-shadow: var(--shadow-md);
}

.feedback--success { background: var(--color-success); }
.feedback--warning { background: var(--color-warning); }
.feedback--error { background: var(--color-danger); }

/* --- Pages message (uid invalide / jour périmé / confirmation) --- */

.message-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--spacing-3) + env(safe-area-inset-top, 0px))
             calc(var(--spacing-3) + env(safe-area-inset-right, 0px))
             calc(var(--spacing-3) + env(safe-area-inset-bottom, 0px))
             calc(var(--spacing-3) + env(safe-area-inset-left, 0px));
}

.message-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-5);
    text-align: center;
}

.message-card__logo { height: 44px; margin-bottom: var(--spacing-3); }
.message-card__icon { font-size: 2.5rem; margin-bottom: var(--spacing-2); }
.message-card__heading { margin: 0 0 var(--spacing-2); font-weight: 700; letter-spacing: -0.01em; }
.message-card__body { color: var(--color-text-muted); margin-bottom: var(--spacing-3); line-height: 1.5; }

.message-card--error .message-card__heading { color: var(--color-danger); }
.message-card--success .message-card__heading { color: var(--color-success); }
.message-card--warning .message-card__heading { color: var(--color-warning); }

.message-card .btn {
    display: flex;
    width: 100%;
    margin-top: var(--spacing-2);
}

@media (max-width: 480px) {
    .page-header { padding: var(--spacing-3) var(--spacing-2); }
    .card { padding: var(--spacing-2) var(--spacing-2) var(--spacing-2) calc(var(--spacing-2) - 4px); }
    .message-card { padding: var(--spacing-4); max-width: calc(100vw - 32px); }
}