/* ==========================================================================
   MCI e-Circuit — Auth Layout CSS (Modern, Light, Minimalist, Institutional)
   ========================================================================== */

:root {
    --mci-primary: #0369a1;
    --mci-primary-hover: #025684;
    --mci-primary-active: #014467;
    --mci-primary-light: #f0f9ff;
    --mci-primary-border: #bae6fd;
    --mci-slate-50: #f8fafc;
    --mci-slate-100: #f1f5f9;
    --mci-slate-200: #e2e8f0;
    --mci-slate-300: #cbd5e1;
    --mci-slate-400: #94a3b8;
    --mci-slate-500: #64748b;
    --mci-slate-600: #475569;
    --mci-slate-700: #334155;
    --mci-slate-800: #1e293b;
    --mci-slate-900: #0f172a;
    --mci-radius: 14px;
    --mci-transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Page de fond avec motif institutionnel micro-points subtil en Light Mode */
body.auth-page {
    background-color: #f8fafc;
    background-image: 
        radial-gradient(at 50% 0%, rgba(3, 105, 161, 0.05) 0px, transparent 65%),
        radial-gradient(#cbd5e1 0.75px, transparent 0.75px);
    background-size: 100% 100%, 20px 20px;
    background-position: 0 0, 0 0;
    color: var(--mci-slate-800);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 1rem;
    margin: 0;
}

/* Animation douce d'apparition */
@keyframes mciFadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-wrapper {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    animation: mciFadeUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Header Marque */
.auth-brand-logo {
    height: 64px;
    width: auto;
    object-contain: contain;
    margin-bottom: 0.75rem;
    transition: transform 0.25s ease;
    filter: drop-shadow(0 4px 6px rgba(15, 23, 42, 0.06));
}
.auth-brand-logo:hover {
    transform: scale(1.02);
}

.auth-brand-title {
    font-size: 1.625rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--mci-slate-900);
    line-height: 1.2;
    margin: 0;
}

.auth-brand-title .accent {
    color: var(--mci-primary);
}

/* Carte centrale */
.auth-card {
    background: #ffffff;
    border: 1px solid var(--mci-slate-200);
    border-radius: var(--mci-radius);
    box-shadow: 
        0 1px 3px 0 rgba(15, 23, 42, 0.03),
        0 10px 25px -5px rgba(15, 23, 42, 0.04),
        0 0 0 1px rgba(226, 232, 240, 0.5);
    padding: 2.25rem 2rem;
    position: relative;
    overflow: hidden;
}

/* Accessibilité (visuellement masqué) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Badge de sécurité */
.auth-security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.65rem;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: #f0f9ff;
    color: var(--mci-primary);
    border: 1px solid #e0f2fe;
    letter-spacing: 0.01em;
}

/* Typographie formulaire */
.auth-heading {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--mci-slate-900);
    letter-spacing: -0.02em;
    margin: 0;
}

.auth-subheading {
    font-size: 0.8125rem;
    color: var(--mci-slate-500);
    margin-top: 0.25rem;
    line-height: 1.4;
}

/* Groupes de formulaire */
.auth-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.auth-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--mci-slate-700);
    letter-spacing: 0.01em;
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-icon {
    position: absolute;
    left: 0.95rem;
    color: var(--mci-slate-400);
    font-size: 0.95rem;
    pointer-events: none;
    transition: color 0.15s ease;
}

.auth-input-wrapper:focus-within .auth-input-icon {
    color: var(--mci-primary);
}

.auth-input {
    width: 100%;
    height: 44px;
    padding-left: 2.6rem;
    padding-right: 1rem;
    font-size: 0.875rem;
    color: var(--mci-slate-900);
    background-color: #ffffff;
    border: 1.5px solid var(--mci-slate-300);
    border-radius: 8px;
    transition: var(--mci-transition);
    outline: none;
    box-sizing: border-box;
}

.auth-input::placeholder {
    color: var(--mci-slate-400);
    font-size: 0.8125rem;
}

.auth-input:hover {
    border-color: #cbd5e1;
}

.auth-input:focus {
    border-color: var(--mci-primary);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.14);
}

.auth-input-password {
    padding-right: 2.75rem;
}

/* Bouton affichage mot de passe */
.auth-password-toggle {
    position: absolute;
    right: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    color: var(--mci-slate-400);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--mci-transition);
}

.auth-password-toggle:hover {
    color: var(--mci-slate-700);
    background-color: var(--mci-slate-100);
}

.auth-password-toggle:focus {
    outline: 2px solid var(--mci-primary);
    outline-offset: 1px;
}

/* Lien discret */
.auth-link {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--mci-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.auth-link:hover {
    color: var(--mci-primary-hover);
    text-decoration: underline;
}

/* Bouton principal de soumission */
.auth-submit-btn {
    width: 100%;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(180deg, #0284c7 0%, #0369a1 100%);
    border: 1px solid #0284c7;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(3, 105, 161, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: var(--mci-transition);
    margin-top: 0.5rem;
}

.auth-submit-btn:hover {
    background: linear-gradient(180deg, #0369a1 0%, #075985 100%);
    border-color: #0369a1;
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.25);
    transform: translateY(-1px);
}

.auth-submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(3, 105, 161, 0.2);
}

.auth-submit-btn:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
}

/* Encadré d'information / sécurité */
.auth-notice {
    padding: 0.75rem 0.85rem;
    border-radius: 8px;
    background-color: var(--mci-slate-50);
    border: 1px solid var(--mci-slate-200);
    font-size: 0.72rem;
    color: var(--mci-slate-500);
    line-height: 1.45;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.auth-notice i {
    color: var(--mci-primary);
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 1.75rem 1.25rem;
        border-radius: 10px;
    }
    .auth-wrapper {
        padding: 0 0.25rem;
    }
}