/* ================================================================
   UDSN Inscription — Frontend Styles
   Mobile-first, compatible Android bas de gamme
   ================================================================ */

:root {
    --primary: #003366;
    --primary-light: #004a99;
    --accent: #e8a000;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #e8a000;
    --info: #17a2b8;
    --text: #1a202c;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --bg: #f4f6f9;
    --white: #ffffff;
    --radius: 12px;
    --shadow: 0 4px 16px rgba(0,0,0,.10);
    --transition: .2s ease;
}

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

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: var(--text); }

.udsn-wrap { /* Pas de background — le template du site gère la couleur de fond */ }

/* ================================================================
   LOGIN
   ================================================================ */
.udsn-login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.udsn-login-header {
    text-align: center;
    color: var(--text);
    margin-bottom: 24px;
}

.udsn-logo {
    max-height: 80px;
    max-width: 200px;
    margin-bottom: 12px;
    object-fit: contain;
}

.udsn-login-header h1 {
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 700;
    line-height: 1.3;
}

.udsn-login-header p {
    font-size: .9rem;
    opacity: .8;
    margin-top: 5px;
}

.udsn-login-card {
    width: 100%;
    max-width: 420px;
}

.udsn-login-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    text-align: center;
}

.udsn-login-help {
    margin-top: 20px;
    font-size: .82rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.5;
}

.udsn-login-footer {
    color: rgba(255,255,255,.5);
    font-size: .78rem;
    margin-top: 20px;
    text-align: center;
}

/* ================================================================
   CARD
   ================================================================ */
.udsn-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: clamp(16px, 4vw, 28px);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

/* ================================================================
   FORMS
   ================================================================ */
.udsn-form-group {
    margin-bottom: 16px;
}

.udsn-form-group label {
    display: block;
    font-weight: 600;
    font-size: .88rem;
    margin-bottom: 6px;
    color: #2d3748;
}

.udsn-input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
}

.udsn-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0,51,102,.15);
}

.udsn-input:disabled, .udsn-input[readonly] {
    background: #f1f5f9;
    color: var(--text-muted);
    cursor: not-allowed;
}

.udsn-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.udsn-input-prefix {
    position: absolute;
    left: 12px;
    font-size: 1.1rem;
    pointer-events: none;
}

.udsn-input-prefixed { padding-left: 38px; }

.udsn-toggle-pw {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
}

.udsn-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 500px) { .udsn-form-row { grid-template-columns: 1fr; } }

.udsn-field-help {
    font-size: .82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    line-height: 1.4;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.udsn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.udsn-btn:active { transform: scale(.97); }

.udsn-btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.udsn-btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); }

.udsn-btn-secondary {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.udsn-btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.udsn-btn-outline:hover { background: var(--primary); color: var(--white); }

.udsn-btn-full { width: 100%; }
.udsn-btn-sm { padding: 7px 14px; font-size: .82rem; }
.udsn-btn-lg { padding: 16px 24px; font-size: 1.05rem; }

.udsn-btn:disabled { opacity: .6; cursor: not-allowed; }

/* Spinner */
.udsn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: udsn-spin .7s linear infinite;
    display: inline-block;
}
.udsn-spinner-large {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: udsn-spin .8s linear infinite;
    margin: 0 auto 15px;
}
@keyframes udsn-spin { to { transform: rotate(360deg); } }

/* ================================================================
   ALERTS
   ================================================================ */
.udsn-alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: .9rem;
    line-height: 1.5;
    margin-bottom: 15px;
}
.udsn-alert-success { background: #f0fff4; border: 1px solid #9ae6b4; color: #276749; }
.udsn-alert-error   { background: #fff5f5; border: 1px solid #fc8181; color: #9b2c2c; }
.udsn-alert-warning { background: #fffbeb; border: 1px solid #fbd38d; color: #744210; }
.udsn-alert-info    { background: #ebf8ff; border: 1px solid #90cdf4; color: #2b6cb0; }

/* ================================================================
   DASHBOARD HEADER
   ================================================================ */
.udsn-dashboard { /* background géré par le template */ }

.udsn-dash-header {
    background: var(--primary);
    color: var(--white);
    padding: 16px clamp(16px, 4vw, 32px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.udsn-dash-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.udsn-header-logo {
    height: 44px;
    object-fit: contain;
}

.udsn-dash-header h1 {
    font-size: 1.15rem;
    font-weight: 700;
}

.udsn-dash-header p {
    font-size: .8rem;
    opacity: .75;
}

.udsn-dash-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.udsn-student-name {
    font-weight: 600;
    font-size: .9rem;
}

/* ================================================================
   STEPS PROGRESS
   ================================================================ */
.udsn-progress-steps {
    display: flex;
    align-items: center;
    padding: 20px clamp(16px, 4vw, 32px);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.udsn-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.udsn-step-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #e2e8f0;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    font-weight: 700;
    transition: all var(--transition);
}

.udsn-step.active .udsn-step-circle {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 0 0 4px rgba(0,51,102,.2);
}

.udsn-step.done .udsn-step-circle {
    background: var(--success);
    color: var(--white);
}

.udsn-step-label {
    font-size: .72rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.udsn-step.active .udsn-step-label { color: var(--primary); font-weight: 700; }
.udsn-step.done  .udsn-step-label  { color: var(--success); }

.udsn-step-line {
    flex: 1;
    height: 2px;
    background: #e2e8f0;
    min-width: 30px;
    margin-bottom: 20px;
    transition: background var(--transition);
}
.udsn-step-line.done { background: var(--success); }

/* ================================================================
   DASHBOARD BODY
   ================================================================ */
.udsn-dash-body {
    padding: clamp(16px, 4vw, 32px);
    max-width: 900px;
    margin: 0 auto;
}

.udsn-mt    { margin-top: 20px; }
.udsn-mt-sm { margin-top: 12px; }

.udsn-section-header { margin-bottom: 20px; }
.udsn-section-header h2 { font-size: 1.15rem; color: var(--primary); font-weight: 700; }
.udsn-section-header p  { font-size: .88rem; color: var(--text-muted); margin-top: 4px; }

.udsn-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.udsn-lock { font-size: .9rem; }

/* Info grid (locked fields) */
.udsn-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.udsn-info-locked { background: #f8fafc; border-radius: 8px; padding: 12px; }

.udsn-info-item {
    padding: 8px;
    border-radius: 6px;
}

.udsn-info-label {
    display: block;
    font-size: .75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    margin-bottom: 2px;
}

.udsn-info-value {
    display: block;
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
}

/* Declaration box */
.udsn-declaration-box {
    background: #fffbeb;
    border: 1px solid #fbd38d;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 16px;
    font-size: .9rem;
    line-height: 1.6;
}

/* Checkbox */
.udsn-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: .9rem;
    line-height: 1.5;
    margin-bottom: 15px;
}

.udsn-checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ================================================================
   PAYMENT PAGE
   ================================================================ */
.udsn-payment-summary {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.udsn-pay-info { flex: 1; min-width: 200px; }

.udsn-pay-info-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
}
.udsn-pay-info-item span { color: var(--text-muted); }

.udsn-montant-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: 10px;
    padding: 20px 24px;
    min-width: 160px;
    text-align: center;
}

.udsn-montant-box span { font-size: .82rem; opacity: .8; margin-bottom: 5px; }

.udsn-montant {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.udsn-montant small { font-size: .85rem; font-weight: 400; }

.udsn-pay-instructions {
    background: #ebf8ff;
    border: 1px solid #90cdf4;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    font-size: .88rem;
}

.udsn-pay-instructions h4 { margin-bottom: 8px; color: #2b6cb0; }
.udsn-pay-instructions ol { padding-left: 18px; line-height: 1.8; }

.udsn-pay-pending {
    text-align: center;
    padding: 24px 20px 20px;
    background: #f0fff4;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* Anneau de décompte SVG */
.udsn-pay-countdown {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 14px auto 4px;
}

.udsn-countdown-ring {
    width: 72px;
    height: 72px;
}

#udsn-countdown-arc {
    transition: stroke-dashoffset .9s linear, stroke .4s;
}

#udsn-countdown-num {
    position: absolute;
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a202c;
    line-height: 1;
}

.udsn-countdown-label {
    font-size: .8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

#udsn-pay-timeout {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 14px 16px;
}

#udsn-pay-timeout p {
    margin-bottom: 8px;
}

/* ================================================================
   CONFIRMATION
   ================================================================ */
.udsn-confirmation-card {
    text-align: center;
    padding: 40px 20px;
}

.udsn-confirm-icon { font-size: 4rem; margin-bottom: 15px; }

.udsn-confirmation-card h2 {
    font-size: 1.5rem;
    color: var(--success);
    margin-bottom: 10px;
}

.udsn-confirmation-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: .95rem;
}

.udsn-confirm-details {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin: 20px 0;
    text-align: left;
}

.udsn-confirm-item {
    background: #f8fafc;
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border);
}

.udsn-confirm-item span {
    display: block;
    font-size: .78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 3px;
}

.udsn-confirm-item strong { font-size: .95rem; color: var(--text); word-break: break-all; }

.udsn-confirm-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* ================================================================
   PASSWORD STRENGTH
   ================================================================ */
.udsn-pw-strength { margin-top: 8px; display: flex; align-items: center; gap: 8px; }
.udsn-pw-bar { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.udsn-pw-bar > div { height: 100%; border-radius: 3px; transition: width .3s, background .3s; width: 0; }

/* ================================================================
   PHOTO D'IDENTITÉ
   ================================================================ */
.udsn-photo-section {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.udsn-photo-preview-wrap {
    flex-shrink: 0;
}
#udsn-photo-preview {
    width: 90px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border);
    display: block;
}
.udsn-photo-placeholder {
    width: 90px;
    height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    font-size: .8rem;
    color: var(--text-muted);
    text-align: center;
    background: var(--bg);
}
.udsn-photo-placeholder span { font-size: 1.6rem; }
.udsn-photo-upload-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 4px;
}

/* ================================================================
   CHAMPS OBLIGATOIRES — ERREUR
   ================================================================ */
.udsn-input-error {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, .15) !important;
    background: #fff5f5 !important;
}
.udsn-field-error-msg {
    color: var(--danger);
    font-size: .82rem;
    margin-top: 5px;
    font-weight: 500;
}

/* ================================================================
   FOOTER
   ================================================================ */
.udsn-dash-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: .82rem;
    border-top: 1px solid var(--border);
    background: var(--white);
    margin-top: 30px;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 600px) {
    .udsn-progress-steps { padding: 12px 10px; }
    .udsn-step-line { min-width: 15px; }
    .udsn-step-circle { width: 28px; height: 28px; font-size: .78rem; }
    .udsn-dash-header-right .udsn-student-name { display: none; }
    .udsn-payment-summary { flex-direction: column; }
    .udsn-montant-box { width: 100%; }
    .udsn-confirm-actions { flex-direction: column; }
    .udsn-confirm-actions .udsn-btn { width: 100%; }
}

@media (max-width: 400px) {
    .udsn-btn-lg { font-size: .9rem; padding: 13px 16px; }
}