/* =====================================================================
   Puls'Art — Styles globaux
   Charte : noir (#0a0a0a), blanc, accent gris clair (#bfbfbf).
   ===================================================================== */

* { box-sizing: border-box; }

:root {
    --bg: #0a0a0a;
    --bg-elev: #161616;
    --bg-elev-2: #1f1f1f;
    --fg: #f5f5f5;
    --fg-dim: #a8a8a8;
    --accent: #bfbfbf;
    --accent-strong: #ffffff;
    --danger: #e84a4a;
    --success: #4ad295;
    --warn: #e8c84a;
    --border: #2a2a2a;
    --border-strong: #3a3a3a;
    --radius: 12px;
    --radius-sm: 6px;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: contain;
}

a { color: var(--accent); }
a:hover { color: var(--accent-strong); }

button {
    font-family: inherit;
    cursor: pointer;
    border: 0;
}

/* =====================================================================
   Boutons
   ===================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.85em 1.6em;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    transition: transform 0.05s ease, background 0.15s ease, box-shadow 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: var(--accent-strong);
    color: var(--bg);
}
.btn-primary:hover:not(:disabled) { background: var(--accent); }

.btn-secondary {
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border-strong);
}
.btn-secondary:hover:not(:disabled) { background: var(--bg-elev); }

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover:not(:disabled) { filter: brightness(1.1); }

.btn-huge {
    padding: 1.2em 2.4em;
    font-size: 1.4rem;
    border-radius: 16px;
    min-width: 320px;
}

/* =====================================================================
   PAGE LOGIN
   ===================================================================== */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}
.login-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
}
.login-container h1 {
    margin: 0 0 0.5rem;
    font-size: 1.8rem;
    letter-spacing: 0.02em;
}
.login-subtitle {
    color: var(--fg-dim);
    margin: 0 0 2rem;
}
.login-container form { text-align: left; }
.login-container .btn { width: 100%; margin-top: 0.5rem; }
.login-footer {
    margin-top: 2rem;
    color: var(--fg-dim);
    font-size: 0.85rem;
}

/* =====================================================================
   PAGE TABLETTE
   ===================================================================== */
.page-tablet {
    overflow-x: hidden;
}

.orientation-warning {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--fg);
    padding: 2rem;
}
.orientation-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: spin 2.5s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media screen and (orientation: portrait) {
    .page-tablet .orientation-warning { display: flex; }
    .page-tablet .tablet-main { display: none; }
}

.network-banner {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--danger);
    color: white;
    text-align: center;
    padding: 0.75em;
    font-weight: 600;
    z-index: 1000;
}

.tablet-main {
    min-height: 100vh;
    padding: 0;
}

/* Ecrans (welcome / form / thanks) */
.screen { display: none; }
.screen.active { display: block; }

.screen-welcome {
    min-height: 100vh;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}
.screen-welcome.active { display: flex; }
.welcome-logo {
    width: 180px;
    height: 180px;
    object-fit: contain;
    margin-bottom: 1.5rem;
}
.screen-welcome h1 {
    font-size: 3.5rem;
    margin: 0 0 0.5rem;
    letter-spacing: 0.02em;
}
.welcome-subtitle {
    color: var(--fg-dim);
    margin: 0 0 3rem;
    font-size: 1.2rem;
}

.screen-thanks {
    min-height: 100vh;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}
.screen-thanks.active { display: flex; }
.thanks-logo {
    width: 140px;
    height: 140px;
    object-fit: contain;
    margin-bottom: 1.5rem;
}
.screen-thanks h1 {
    font-size: 3rem;
    margin: 0 0 1rem;
}
.thanks-text {
    font-size: 1.3rem;
    color: var(--fg-dim);
    margin: 0 0 3rem;
}
.thanks-countdown {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0;
}

/* Form header */
.form-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 50;
}
.form-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
}
.btn-restart { font-size: 0.95rem; padding: 0.6em 1.2em; }
.btn-restart.is-disabled,
.btn-restart:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-skip {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    padding: 0.6em 1.4em;
}

#mainForm {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.form-section {
    display: none;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}
.form-section.visible { display: block; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
.form-section h2 {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
    color: var(--fg);
}
.hint {
    color: var(--fg-dim);
    font-size: 0.9rem;
    margin: 0 0 1rem;
}

/* Cartes de choix */
.card-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.card-row-3 { grid-template-columns: repeat(3, 1fr); }
.card {
    background: var(--bg-elev-2);
    border: 2px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 2rem 1rem;
    color: var(--fg);
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.05s ease, border-color 0.15s ease, background 0.15s ease;
    min-height: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    text-align: center;
}
.card:active { transform: scale(0.98); }
.card.selected, .card:hover {
    border-color: var(--accent-strong);
    background: var(--bg-elev);
}
.card-icon { font-size: 2.5rem; }
.card-label { font-size: 1.1rem; }

/* Champs */
.form-field { margin-bottom: 1rem; }
.form-field label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    color: var(--fg-dim);
    font-weight: 500;
}
.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 0.85em 1em;
    font-size: 1rem;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--fg);
    font-family: inherit;
    transition: border-color 0.15s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: 0;
    border-color: var(--accent-strong);
}
.form-field input.invalid,
.form-field select.invalid {
    border-color: var(--danger);
}

.select-large { font-size: 1.2rem; padding: 1em; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
.form-field-wide { grid-column: 1 / -1; }

/* Consentement */
.consent-box-wrap { position: relative; margin-bottom: 1rem; }
.consent-box {
    height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    background: var(--bg);
    line-height: 1.6;
}
.consent-text { color: var(--fg); font-size: 0.95rem; white-space: pre-wrap; }

.scroll-hint {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-strong);
    color: var(--bg);
    padding: 0.3em 0.9em;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    pointer-events: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    transition: opacity 0.25s ease;
}
.scroll-hint.hidden { opacity: 0; }

.consent-checks { margin-top: 1rem; }
.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75em;
    padding: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    cursor: pointer;
}
.checkbox-row input[type="checkbox"] {
    margin-top: 0.2em;
    transform: scale(1.4);
    accent-color: var(--accent-strong);
}
.checkbox-row input[type="checkbox"]:disabled + span { color: var(--fg-dim); }

/* Signature */
.signature-wrap {
    background: white;
    border-radius: var(--radius-sm);
    padding: 0;
    width: 600px;
    max-width: 100%;
    height: 200px;
    margin-bottom: 1rem;
}
#signatureCanvas {
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
}

/* Recap */
.recap {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.8;
}
.recap dt { color: var(--fg-dim); font-weight: 500; display: inline-block; min-width: 140px; }
.recap dd { display: inline; margin: 0; }
.recap .row { padding: 0.15rem 0; }

/* Modale */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
/* L'attribut `hidden` doit primer sur display:flex. */
.modal-backdrop[hidden] { display: none; }
.modal {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow);
}
.modal h3 { margin: 0 0 0.5rem; }
.modal p { color: var(--fg-dim); margin: 0 0 1.5rem; }
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Erreurs */
.error-message {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 0.75rem;
    min-height: 1.2em;
}

/* =====================================================================
   PAGE ADMIN
   ===================================================================== */
.page-admin {
    background: var(--bg);
    overflow-x: hidden;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    gap: 2rem;
    flex-wrap: wrap;
}
.admin-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.admin-logo { height: 40px; width: auto; object-fit: contain; }
.admin-header h1 { margin: 0; font-size: 1.3rem; }

.admin-tabs {
    display: flex;
    gap: 0.5rem;
}
.tab-btn {
    background: transparent;
    color: var(--fg-dim);
    padding: 0.6em 1.2em;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.15s, background 0.15s;
}
.tab-btn:hover { color: var(--fg); }
.tab-btn.active {
    background: var(--bg-elev-2);
    color: var(--accent-strong);
}

.admin-main {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.filter-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
    align-items: center;
}
.filter-bar input,
.filter-bar select {
    padding: 0.6em 1em;
    font-size: 0.95rem;
    background: var(--bg-elev);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--fg);
    font-family: inherit;
}
.filter-bar input[type="search"] { flex: 1; min-width: 220px; }

.table-wrap {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: auto;
    max-height: 70vh;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
th, td {
    padding: 0.6em 0.85em;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
th {
    background: var(--bg-elev-2);
    color: var(--fg-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.78rem;
    position: sticky;
    top: 0;
    z-index: 1;
}
tbody tr:hover { background: var(--bg-elev-2); }

.status {
    display: inline-block;
    padding: 0.2em 0.7em;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.status-pending  { background: rgba(232,200,74,0.15); color: var(--warn); }
.status-generated, .status-uploaded, .status-sent {
    background: rgba(74,210,149,0.15); color: var(--success);
}
.status-failed  { background: rgba(232,74,74,0.15); color: var(--danger); }
.status-skipped { background: rgba(180,180,180,0.15); color: var(--fg-dim); }
.status-active  { background: rgba(232,200,74,0.15); color: var(--warn); }
.status-treated { background: rgba(74,210,149,0.15); color: var(--success); }

.row-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.row-actions .btn {
    padding: 0.4em 0.8em;
    font-size: 0.85rem;
}

.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--fg-dim);
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 1.25rem;
}
.settings-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.settings-card h3 { margin: 0 0 0.5rem; }
.settings-card .hint { margin-bottom: 1rem; }
.settings-card .btn { margin-top: 0.5rem; }

.form-feedback {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    min-height: 1.2em;
}
.form-feedback.success { color: var(--success); }
.form-feedback.error { color: var(--danger); }

code {
    background: var(--bg);
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.85em;
}

/* =====================================================================
   PAGE PRIVACY
   ===================================================================== */
.page-privacy {
    background: var(--bg);
    color: var(--fg);
}
.privacy-main {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
    line-height: 1.7;
}
.privacy-main h1 { font-size: 2rem; margin: 0 0 0.5rem; }
.privacy-main h2 { margin-top: 2.5rem; font-size: 1.25rem; color: var(--accent-strong); }
.privacy-main .updated { color: var(--fg-dim); margin: 0 0 2rem; font-style: italic; }
.privacy-main ul { padding-left: 1.5rem; }
.privacy-main li { margin-bottom: 0.4rem; }
.back-link {
    display: inline-block;
    margin-bottom: 1.5rem;
    color: var(--accent);
    text-decoration: none;
}

/* Tablette landscape - tailles plus genereuses */
@media screen and (orientation: landscape) and (min-width: 900px) {
    #mainForm { padding: 2rem 3rem; }
    .card { min-height: 160px; font-size: 1.2rem; }
    .form-field input, .form-field select {
        padding: 1em 1.2em;
        font-size: 1.1rem;
    }
}

/* Tablette ecran tres large */
@media screen and (min-width: 1200px) {
    .form-section { padding: 2.5rem 3rem; }
}

/* Petit ecran */
@media screen and (max-width: 600px) {
    .form-grid { grid-template-columns: 1fr; }
    .card-row, .card-row-3 { grid-template-columns: 1fr; }
    .admin-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .admin-tabs { width: 100%; overflow-x: auto; }
    .btn-huge { min-width: auto; width: 100%; }
}