/* Staff auth — login + MFA setup/verify/backup_codes
 * Direction « Acte National » : surface ivoire, carte centrée monumentale,
 * indigo profond + saffron parcimonieux.
 *
 * R1 design tokens, R4 CSS externe, R9 a11y.
 */

.staff-auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background:
        radial-gradient(circle at 12% 8%,
            rgba(var(--color-saffron-700-rgb), 0.05),
            transparent 55%),
        radial-gradient(circle at 88% 92%,
            rgba(var(--color-indigo-700-rgb), 0.04),
            transparent 55%),
        var(--color-slate-50);
    font-feature-settings: "tnum", "ss01";
}

.staff-auth::before,
.staff-auth::after {
    content: "FCDDV CENTRAL — ASSOCIATION DES NOTAIRES DE COTE D'IVOIRE";
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-body);
    font-size: var(--text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.32em;
    color: var(--color-slate-400);
    font-weight: 600;
    pointer-events: none;
    white-space: nowrap;
}

.staff-auth::before {
    top: var(--spacing-xl);
}

.staff-auth::after {
    bottom: var(--spacing-xl);
    color: var(--color-saffron-500);
    content: "◆";
    letter-spacing: 0;
    font-size: var(--text-sm);
}

@media (max-width: 768px) {
    .staff-auth::before,
    .staff-auth::after {
        display: none;
    }
}

/* ============================================
   CARTE DE CONNEXION — surface principale
   ============================================ */

.staff-auth__card {
    width: 100%;
    max-width: 480px;
    background: var(--surface-elevated);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-card-hover);
    position: relative;
    overflow: hidden;
}

.staff-auth__card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-saffron-700);
}

.staff-auth__card--wide {
    max-width: 640px;
}

/* Card primitives override */
.staff-auth__card .card__header {
    margin: 0 0 var(--spacing-xl);
    padding: 0 0 var(--spacing-md);
    border-bottom: 1px solid var(--color-slate-200);
}

.staff-auth__card .card__title {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.625rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-indigo-900);
    letter-spacing: -0.015em;
    line-height: 1.2;
    margin: 0 0 var(--spacing-sm);
}

.staff-auth__card .card__subtitle {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-slate-600);
    line-height: 1.6;
    margin: 0;
}

.staff-auth__card .card__body {
    margin: 0;
}

/* ============================================
   ALERT — saffron par défaut (avertissement doux)
   ============================================ */

.staff-auth__alert {
    background: var(--color-saffron-50);
    border: 1px solid var(--color-saffron-300);
    border-left: 4px solid var(--color-saffron-700);
    color: var(--color-saffron-900);
    padding: var(--spacing-sm-md) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    line-height: 1.55;
}

/* ============================================
   FORM — labels small caps + inputs Acte National
   ============================================ */

.staff-auth__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.staff-auth__field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xs);
}

.staff-auth__field label {
    font-family: var(--font-body);
    font-size: var(--text-2xs);
    text-transform: uppercase;
    letter-spacing: 0.10em;
    color: var(--color-slate-600);
    font-weight: 600;
    line-height: 1.4;
}

.staff-auth__field input {
    width: 100%;
    padding: var(--spacing-sm-md) var(--spacing-md);
    border: 1px solid var(--color-slate-300);
    border-radius: var(--radius-md);
    background: var(--surface-elevated);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.5;
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.staff-auth__field input[type="password"],
.staff-auth__field input[name="code"] {
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
}

.staff-auth__field input[name="code"] {
    font-size: var(--text-2xl);
    text-align: center;
    letter-spacing: 0.4em;
    padding: var(--spacing-md);
}

.staff-auth__field input:hover:not(:focus):not(:disabled) {
    border-color: var(--color-slate-400);
}

.staff-auth__field input:focus {
    outline: none;
    border-color: var(--color-indigo-700);
    box-shadow: 0 0 0 3px rgba(var(--color-saffron-700-rgb), 0.22);
}

.staff-auth__field small {
    margin-top: var(--spacing-xs);
    color: var(--color-slate-500);
    font-size: var(--text-xs);
    font-style: italic;
    line-height: 1.5;
}

.staff-auth__submit {
    align-self: stretch;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.staff-auth__email {
    font-family: var(--font-mono);
    color: var(--color-indigo-800);
    background: var(--color-saffron-50);
    border: 1px solid var(--color-saffron-200);
    padding: var(--spacing-xs) var(--spacing-sm-md);
    border-radius: var(--radius-sm);
    margin: 0 0 var(--spacing-md);
    display: inline-block;
    font-size: var(--text-sm);
    letter-spacing: 0.02em;
}

/* ============================================
   STEPS — MFA setup (1. QR, 2. Code)
   ============================================ */

.staff-auth__steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    counter-reset: staff-auth-step;
}

.staff-auth__steps > li {
    counter-increment: staff-auth-step;
}

.staff-auth__steps h3 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 500;
    color: var(--color-indigo-900);
    margin: 0 0 var(--spacing-md);
    line-height: 1.3;
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.staff-auth__steps > li > h3 {
    /* on remplace le "1." inline par le compteur saffron, on cache le numéro initial */
    position: relative;
}

.staff-auth__qr {
    display: block;
    margin: 0 auto var(--spacing-md);
    border: 1px solid var(--color-saffron-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    background: var(--color-white);
    box-shadow: var(--shadow-card);
}

.staff-auth__manual summary {
    cursor: pointer;
    user-select: none;
    list-style: none;
    color: var(--color-saffron-700);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--spacing-2xs) 0;
}

.staff-auth__manual summary::-webkit-details-marker {
    display: none;
}

.staff-auth__manual[open] summary {
    margin-bottom: var(--spacing-sm);
}

.staff-auth__manual code {
    word-break: break-all;
    font-family: var(--font-mono);
    background: var(--color-indigo-50);
    color: var(--color-indigo-900);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--color-indigo-300);
    user-select: all;
    cursor: copy;
    display: inline-block;
    font-size: var(--text-sm);
    letter-spacing: 0.04em;
}

/* ============================================
   BACKUP CODES — grille de codes mono
   ============================================ */

.staff-auth__backup-codes {
    list-style: none;
    padding: var(--spacing-lg);
    background: var(--color-slate-50);
    border: 1px dashed var(--color-saffron-300);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-sm) var(--spacing-md);
    margin: 0 0 var(--spacing-lg);
    counter-reset: backup-code;
}

.staff-auth__backup-codes > li {
    counter-increment: backup-code;
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs-sm) var(--spacing-sm-md);
    background: var(--surface-elevated);
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-sm);
    font-feature-settings: "tnum";
}

.staff-auth__backup-codes > li::before {
    content: counter(backup-code, decimal-leading-zero);
    font-family: var(--font-body);
    font-size: var(--text-2xs);
    color: var(--color-slate-500);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.staff-auth__backup-codes code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-indigo-900);
    letter-spacing: 0.06em;
    user-select: all;
    cursor: copy;
}

.staff-auth__actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

@media (max-width: 640px) {
    .staff-auth__card {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .staff-auth__field input[name="code"] {
        font-size: var(--text-xl);
        letter-spacing: 0.2em;
    }
}

/* Verify multi-methode : spacing entre formulaires inline (back link, send-email,
   verify code). Evite style="margin-bottom" inline (R4). */
.staff-auth__form--gap-below {
    margin-bottom: var(--spacing-md);
}