/**
 * SCA Authentication Styles v4.3
 * Inscription collée en haut, Connexion & Reset MDP centrés
 * Login & Inscription & Reset Password
 */

/* ══════════════════════════════════════════════════════════════
   VARIABLES CSS
   ══════════════════════════════════════════════════════════════ */

:root {
    /* Couleurs principales */
    --sca-primary: #667eea;
    --sca-primary-dark: #5a67d8;
    --sca-primary-light: rgba(102, 126, 234, 0.15);
    --sca-secondary: #764ba2;
    
    /* Couleurs de feedback */
    --sca-success: #10b981;
    --sca-success-bg: #d1fae5;
    --sca-success-border: #6ee7b7;
    --sca-success-text: #065f46;
    --sca-error: #ef4444;
    --sca-error-bg: #fee2e2;
    --sca-error-border: #fca5a5;
    --sca-error-text: #991b1b;
    --sca-warning: #f59e0b;
    
    /* Neutres */
    --sca-white: #ffffff;
    --sca-gray-50: #f9fafb;
    --sca-gray-100: #f3f4f6;
    --sca-gray-200: #e5e7eb;
    --sca-gray-300: #d1d5db;
    --sca-gray-400: #9ca3af;
    --sca-gray-500: #6b7280;
    --sca-gray-600: #4b5563;
    --sca-gray-700: #374151;
    --sca-gray-800: #1f2937;
    --sca-gray-900: #111827;
    
    /* Ombres */
    --sca-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sca-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sca-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sca-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --sca-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --sca-shadow-glow: 0 0 40px rgba(102, 126, 234, 0.15);
    
    /* Transitions */
    --sca-transition-fast: 150ms ease;
    --sca-transition: 200ms ease;
    --sca-transition-slow: 300ms ease;
    
    /* Rayons */
    --sca-radius-sm: 6px;
    --sca-radius: 10px;
    --sca-radius-lg: 16px;
    --sca-radius-xl: 20px;
    
    /* Espacements COMPACTS */
    --sca-space-xs: 4px;
    --sca-space-sm: 6px;
    --sca-space-md: 10px;
    --sca-space-lg: 14px;
    --sca-space-xl: 18px;
    --sca-space-2xl: 24px;
}

/* ══════════════════════════════════════════════════════════════
   RESET MINIMAL
   ══════════════════════════════════════════════════════════════ */

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

/* ══════════════════════════════════════════════════════════════
   BODY
   ══════════════════════════════════════════════════════════════ */

body {
    background: #e9f1fd;
}

/* ══════════════════════════════════════════════════════════════
   CONTAINER PRINCIPAL
   Par défaut : collé en haut (inscription)
   ══════════════════════════════════════════════════════════════ */

.sca-auth {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 20px var(--sca-space-md);
    padding-top: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow-x: hidden;
}

/* ══════════════════════════════════════════════════════════════
   VARIANTES DE CENTRAGE
   Connexion & Reset MDP : centré verticalement
   ══════════════════════════════════════════════════════════════ */

.sca-auth--center {
    align-items: center;
    padding-top: 20px;
}

.sca-auth__container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

/* ══════════════════════════════════════════════════════════════
   CARD — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-auth__card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--sca-radius-xl);
    box-shadow:
        var(--sca-shadow-xl),
        var(--sca-shadow-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    padding: var(--sca-space-2xl) var(--sca-space-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Connexion & Reset : card plus aérée */
.sca-auth--center .sca-auth__card {
    padding: 32px var(--sca-space-2xl);
}

@supports not (backdrop-filter: blur(20px)) {
    .sca-auth__card {
        background: rgba(255, 255, 255, 0.98);
    }
}

/* ══════════════════════════════════════════════════════════════
   HEADER — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-auth__header {
    text-align: center;
    margin-bottom: var(--sca-space-xl);
}

/* Connexion & Reset : header plus espacé */
.sca-auth--center .sca-auth__header {
    margin-bottom: var(--sca-space-2xl);
}

.sca-auth__logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--sca-primary), var(--sca-secondary));
    border-radius: var(--sca-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: var(--sca-shadow-md);
    color: var(--sca-white);
}

/* Connexion & Reset : logo plus grand */
.sca-auth--center .sca-auth__logo {
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    font-size: 26px;
}

.sca-auth__logo img,
.sca-auth__logo svg {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.sca-auth--center .sca-auth__logo img,
.sca-auth--center .sca-auth__logo svg {
    width: 32px;
    height: 32px;
}

.sca-auth__header h1 {
    font-size: 20px;
    font-weight: 800;
    color: var(--sca-gray-900);
    margin: 0 0 4px 0;
    letter-spacing: -0.5px;
}

/* Connexion & Reset : titre plus grand */
.sca-auth--center .sca-auth__header h1 {
    font-size: 24px;
    margin-bottom: 6px;
}

.sca-auth__header p {
    font-size: 13px;
    color: var(--sca-gray-600);
    margin: 0;
    font-weight: 500;
}

.sca-auth--center .sca-auth__header p {
    font-size: 14px;
}

/* ══════════════════════════════════════════════════════════════
   FORMULAIRE — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-form {
    position: relative;
}

.sca-form__group {
    margin-bottom: var(--sca-space-md);
    position: relative;
}

.sca-form__group:last-of-type {
    margin-bottom: var(--sca-space-lg);
}

/* Connexion & Reset : espacement plus généreux */
.sca-auth--center .sca-form__group {
    margin-bottom: var(--sca-space-lg);
}

.sca-auth--center .sca-form__group:last-of-type {
    margin-bottom: var(--sca-space-xl);
}

.sca-form__group--row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sca-space-md);
}

.sca-form__label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--sca-gray-700);
    margin-bottom: 4px;
    transition: color var(--sca-transition);
}

/* Connexion & Reset : labels plus lisibles */
.sca-auth--center .sca-form__label {
    font-size: 13px;
    margin-bottom: 6px;
}

.sca-form__label--required::after {
    content: ' *';
    color: var(--sca-error);
    font-weight: 400;
}

/* ══════════════════════════════════════════════════════════════
   INPUTS — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-form__input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    border: 2px solid var(--sca-gray-200);
    border-radius: var(--sca-radius-sm);
    transition:
        border-color var(--sca-transition),
        box-shadow var(--sca-transition);
    background: var(--sca-white);
    color: var(--sca-gray-900);
}

/* Connexion & Reset : inputs plus confortables */
.sca-auth--center .sca-form__input {
    padding: 13px 16px;
    font-size: 15px;
    border-radius: var(--sca-radius);
}

.sca-form__input:hover {
    border-color: var(--sca-gray-300);
}

.sca-form__input:focus {
    outline: none;
    border-color: var(--sca-primary);
    box-shadow: 0 0 0 3px var(--sca-primary-light);
}

.sca-form__input::placeholder {
    color: var(--sca-gray-500);
    font-weight: 400;
}

/* —— Input : état erreur —————————————————————————————————— */

.sca-form__input--error {
    border-color: var(--sca-error);
}

.sca-form__input--error:focus {
    border-color: var(--sca-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* —— Input : état succès —————————————————————————————————— */

.sca-form__input--success {
    border-color: var(--sca-success);
}

.sca-form__input--success:focus {
    border-color: var(--sca-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* —— Input : message d'erreur sous le champ ——————————————— */

.sca-form__field-error {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--sca-error);
    margin-top: 4px;
    padding-left: 2px;
}

/* —— Input : message d'aide sous le champ ————————————————— */

.sca-form__field-hint {
    display: block;
    font-size: 11px;
    color: var(--sca-gray-500);
    margin-top: 4px;
    padding-left: 2px;
}

/* —— Input wrapper (pour toggle password) ————————————————— */

.sca-form__input-wrapper {
    position: relative;
}

.sca-form__input-wrapper .sca-form__input {
    padding-right: 42px;
}

.sca-auth--center .sca-form__input-wrapper .sca-form__input {
    padding-right: 48px;
}

.sca-form__toggle-pwd {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    line-height: 1;
    color: var(--sca-gray-400);
    transition:
        color var(--sca-transition),
        background-color var(--sca-transition);
    border-radius: var(--sca-radius-sm);
}

.sca-form__toggle-pwd:hover {
    color: var(--sca-gray-700);
    background: var(--sca-gray-100);
}

.sca-form__toggle-pwd:focus-visible {
    outline: 2px solid var(--sca-primary);
    outline-offset: 2px;
}

/* ══════════════════════════════════════════════════════════════
   PASSWORD STRENGTH BAR — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-pwd-strength {
    margin-top: 6px;
}

.sca-pwd-bar {
    height: 4px;
    background: var(--sca-gray-200);
    border-radius: 2px;
    overflow: hidden;
}

.sca-pwd-bar__fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width var(--sca-transition-slow), background-color var(--sca-transition-slow);
}

.sca-pwd-bar__fill--weak {
    width: 25%;
    background-color: var(--sca-error);
}

.sca-pwd-bar__fill--fair {
    width: 50%;
    background-color: var(--sca-warning);
}

.sca-pwd-bar__fill--good {
    width: 75%;
    background-color: #3b82f6;
}

.sca-pwd-bar__fill--strong {
    width: 100%;
    background-color: var(--sca-success);
}

.sca-pwd-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 3px;
    display: block;
}

.sca-pwd-label--weak   { color: var(--sca-error); }
.sca-pwd-label--fair   { color: var(--sca-warning); }
.sca-pwd-label--good   { color: #3b82f6; }
.sca-pwd-label--strong { color: var(--sca-success); }

/* ══════════════════════════════════════════════════════════════
   PASSWORD REQUIREMENTS LIST — Visible & Compact en 2 colonnes
   ══════════════════════════════════════════════════════════════ */

.sca-pwd-rules {
    list-style: none;
    padding: 8px 10px;
    margin: 8px 0 0;
    font-size: 11px;
    color: var(--sca-gray-500);
    background: var(--sca-gray-50);
    border-radius: var(--sca-radius-sm);
    border: 1px solid var(--sca-gray-100);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px 12px;
}

.sca-pwd-rules li {
    padding: 2px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--sca-transition);
}

.sca-pwd-rules__icon {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 7px;
    font-weight: 700;
    background: var(--sca-gray-200);
    color: var(--sca-gray-400);
    transition:
        background-color var(--sca-transition),
        color var(--sca-transition);
}

.sca-pwd-rules li.is-valid {
    color: var(--sca-success);
}

.sca-pwd-rules li.is-valid .sca-pwd-rules__icon {
    background: var(--sca-success);
    color: var(--sca-white);
}

/* ══════════════════════════════════════════════════════════════
   CHECKBOX — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12px;
    color: var(--sca-gray-600);
    cursor: pointer;
    user-select: none;
    transition: color var(--sca-transition);
    line-height: 1.4;
}

/* Connexion : checkbox plus lisible */
.sca-auth--center .sca-form__checkbox {
    font-size: 13px;
}

.sca-form__checkbox:hover {
    color: var(--sca-gray-900);
}

.sca-form__checkbox input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    min-width: 16px;
    border: 2px solid var(--sca-gray-300);
    border-radius: 4px;
    cursor: pointer;
    transition:
        background-color var(--sca-transition),
        border-color var(--sca-transition);
    position: relative;
    flex-shrink: 0;
    margin-top: 1px;
}

.sca-auth--center .sca-form__checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    border-radius: 5px;
}

.sca-form__checkbox input[type="checkbox"]:checked {
    background: linear-gradient(135deg, var(--sca-primary), var(--sca-secondary));
    border-color: var(--sca-primary);
}

.sca-form__checkbox input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 4px;
    width: 4px;
    height: 7px;
    border: 2px solid var(--sca-white);
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.sca-auth--center .sca-form__checkbox input[type="checkbox"]:checked::after {
    top: 2px;
    left: 5px;
    width: 4px;
    height: 8px;
}

.sca-form__checkbox input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--sca-primary);
    outline-offset: 2px;
}

.sca-form__checkbox a {
    color: var(--sca-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--sca-transition);
}

.sca-form__checkbox a:hover {
    color: var(--sca-secondary);
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   LINKS — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-form__link {
    color: var(--sca-primary);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: color var(--sca-transition);
    border-bottom: 2px solid transparent;
}

.sca-auth--center .sca-form__link {
    font-size: 13px;
}

.sca-form__link:hover {
    color: var(--sca-secondary);
    border-bottom-color: var(--sca-secondary);
}

.sca-form__link:focus-visible {
    outline: 2px solid var(--sca-primary);
    outline-offset: 2px;
}

.sca-form__footer-link {
    text-align: center;
    margin-top: var(--sca-space-lg);
    font-size: 12px;
    color: var(--sca-gray-500);
}

.sca-auth--center .sca-form__footer-link {
    margin-top: var(--sca-space-xl);
    font-size: 13px;
}

.sca-form__footer-link a {
    color: var(--sca-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--sca-transition);
}

.sca-form__footer-link a:hover {
    color: var(--sca-secondary);
    text-decoration: underline;
}

/* ══════════════════════════════════════════════════════════════
   MESSAGES — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-msg {
    padding: 8px 12px;
    border-radius: var(--sca-radius-sm);
    font-size: 12px;
    font-weight: 500;
    margin-bottom: var(--sca-space-md);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sca-auth--center .sca-msg {
    padding: 12px 16px;
    font-size: 13px;
    margin-bottom: var(--sca-space-lg);
    border-radius: var(--sca-radius);
}

.sca-msg__icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sca-auth--center .sca-msg__icon {
    width: 20px;
    height: 20px;
}

.sca-msg__icon svg {
    width: 8px;
    height: 8px;
    fill: var(--sca-white);
}

.sca-auth--center .sca-msg__icon svg {
    width: 10px;
    height: 10px;
}

/* —— Succès ——————————————————————————————————————————————— */

.sca-msg--ok {
    background: var(--sca-success-bg);
    color: var(--sca-success-text);
    border: 1px solid var(--sca-success-border);
}

.sca-msg--ok .sca-msg__icon {
    background: var(--sca-success);
}

/* —— Erreur ——————————————————————————————————————————————— */

.sca-msg--err {
    background: var(--sca-error-bg);
    color: var(--sca-error-text);
    border: 1px solid var(--sca-error-border);
}

.sca-msg--err .sca-msg__icon {
    background: var(--sca-error);
}

/* ══════════════════════════════════════════════════════════════
   BOUTONS — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    border: none;
    border-radius: var(--sca-radius-sm);
    cursor: pointer;
    text-decoration: none;
    line-height: 1.5;
    position: relative;
    transition:
        transform var(--sca-transition),
        box-shadow var(--sca-transition),
        opacity var(--sca-transition);
}

/* Connexion & Reset : bouton plus confortable */
.sca-auth--center .sca-btn {
    padding: 14px 28px;
    font-size: 15px;
    border-radius: var(--sca-radius);
}

/* —— Primary ——————————————————————————————————————————————— */

.sca-btn--primary {
    background: linear-gradient(135deg, var(--sca-primary) 0%, var(--sca-secondary) 100%);
    color: var(--sca-white);
    box-shadow:
        var(--sca-shadow-md),
        0 4px 15px rgba(102, 126, 234, 0.4);
}

.sca-btn--primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow:
        var(--sca-shadow-lg),
        0 8px 25px rgba(102, 126, 234, 0.5);
}

.sca-btn--primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow:
        var(--sca-shadow),
        0 4px 15px rgba(102, 126, 234, 0.4);
}

.sca-btn--primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.sca-btn--primary:focus-visible {
    outline: 2px solid var(--sca-white);
    outline-offset: 2px;
}

/* —— Pleine largeur ———————————————————————————————————————— */

.sca-btn--full {
    width: 100%;
}

/* —— État loading —————————————————————————————————————————— */

.sca-btn--loading {
    pointer-events: none;
    opacity: 0.8;
}

.sca-btn--loading .sca-btn__label {
    visibility: hidden;
}

.sca-btn__spinner {
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--sca-white);
    border-radius: 50%;
    animation: sca-spin 0.6s linear infinite;
}

.sca-auth--center .sca-btn__spinner {
    width: 20px;
    height: 20px;
    border-width: 3px;
}

@keyframes sca-spin {
    to { transform: rotate(360deg); }
}

/* ══════════════════════════════════════════════════════════════
   DIVIDER — Compact
   ══════════════════════════════════════════════════════════════ */

.sca-form__divider {
    display: flex;
    align-items: center;
    gap: var(--sca-space-md);
    margin: var(--sca-space-lg) 0;
    color: var(--sca-gray-400);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sca-auth--center .sca-form__divider {
    margin: var(--sca-space-xl) 0;
    font-size: 12px;
}

.sca-form__divider::before,
.sca-form__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sca-gray-200);
}

/* ══════════════════════════════════════════════════════════════
   LOADING OVERLAY
   ══════════════════════════════════════════════════════════════ */

.sca-auth--loading .sca-auth__card {
    pointer-events: none;
    opacity: 0.7;
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    .sca-auth {
        padding: 16px var(--sca-space-sm);
        padding-top: 24px;
    }

    .sca-auth--center {
        padding-top: 16px;
    }

    .sca-auth__card {
        padding: var(--sca-space-xl) var(--sca-space-lg);
        border-radius: var(--sca-radius-lg);
    }

    .sca-auth--center .sca-auth__card {
        padding: var(--sca-space-2xl) var(--sca-space-xl);
    }

    .sca-auth__header h1 {
        font-size: 18px;
    }

    .sca-auth--center .sca-auth__header h1 {
        font-size: 20px;
    }

    .sca-auth__header p {
        font-size: 12px;
    }

    .sca-auth--center .sca-auth__header p {
        font-size: 13px;
    }

    .sca-form__group--row {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .sca-form__input {
        padding: 10px 12px;
        font-size: 16px; /* Empêche le zoom iOS */
    }

    .sca-auth--center .sca-form__input {
        padding: 12px 14px;
    }

    .sca-btn {
        padding: 10px 16px;
    }

    .sca-auth--center .sca-btn {
        padding: 12px 20px;
    }

    .sca-pwd-rules {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

@media (max-width: 380px) {
    .sca-auth__card {
        padding: var(--sca-space-lg) var(--sca-space-md);
    }

    .sca-auth__logo {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .sca-auth--center .sca-auth__logo {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }

    .sca-auth__header h1 {
        font-size: 16px;
    }

    .sca-auth--center .sca-auth__header h1 {
        font-size: 18px;
    }
}

/* Écrans courts (< 700px de hauteur) */
@media (max-height: 700px) {
    .sca-auth {
        padding-top: 16px;
    }

    .sca-auth__card {
        padding: var(--sca-space-lg);
    }

    .sca-auth__header {
        margin-bottom: var(--sca-space-md);
    }

    .sca-auth__logo {
        width: 36px;
        height: 36px;
        margin-bottom: 8px;
        font-size: 16px;
    }

    .sca-auth__header h1 {
        font-size: 16px;
    }

    .sca-auth__header p {
        font-size: 11px;
    }

    .sca-form__group {
        margin-bottom: 8px;
    }

    .sca-form__label {
        font-size: 11px;
        margin-bottom: 3px;
    }

    .sca-form__input {
        padding: 8px 10px;
        font-size: 13px;
    }

    .sca-btn {
        padding: 8px 16px;
        font-size: 12px;
    }

    .sca-form__footer-link {
        margin-top: var(--sca-space-md);
        font-size: 11px;
    }

    .sca-pwd-rules {
        padding: 6px 8px;
        font-size: 10px;
    }

    .sca-pwd-rules__icon {
        width: 10px;
        height: 10px;
    }
}

/* Écrans très courts (< 600px de hauteur) */
@media (max-height: 600px) {
    .sca-auth {
        padding-top: 10px;
        overflow-y: auto;
    }

    .sca-auth__logo {
        display: none;
    }

    .sca-auth__header {
        margin-bottom: 8px;
    }
}

/* ══════════════════════════════════════════════════════════════
   DARK MODE
   ══════════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
    :root {
        --sca-success-bg: rgba(16, 185, 129, 0.15);
        --sca-success-border: rgba(16, 185, 129, 0.3);
        --sca-success-text: #6ee7b7;
        --sca-error-bg: rgba(239, 68, 68, 0.15);
        --sca-error-border: rgba(239, 68, 68, 0.3);
        --sca-error-text: #fca5a5;
    }

    body {
        background: #1a1a2e;
    }

    .sca-auth {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }

    .sca-auth__card {
        background: rgba(30, 41, 59, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
        box-shadow:
            0 25px 50px -12px rgba(0, 0, 0, 0.5),
            0 0 40px rgba(102, 126, 234, 0.1);
    }

    .sca-auth__header h1 {
        color: var(--sca-white);
    }

    .sca-auth__header p {
        color: var(--sca-gray-400);
    }

    .sca-form__label {
        color: var(--sca-gray-300);
    }

    .sca-form__input {
        background: var(--sca-gray-800);
        border-color: var(--sca-gray-600);
        color: var(--sca-white);
    }

    .sca-form__input:hover {
        border-color: var(--sca-gray-500);
    }

    .sca-form__input:focus {
        border-color: var(--sca-primary);
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
    }

    .sca-form__input::placeholder {
        color: var(--sca-gray-500);
    }

    .sca-form__toggle-pwd {
        color: var(--sca-gray-500);
    }

    .sca-form__toggle-pwd:hover {
        color: var(--sca-gray-300);
        background: var(--sca-gray-700);
    }

    .sca-pwd-rules {
        background: var(--sca-gray-800);
        border-color: var(--sca-gray-700);
    }

    .sca-pwd-rules__icon {
        background: var(--sca-gray-700);
        color: var(--sca-gray-500);
    }

    .sca-form__checkbox {
        color: var(--sca-gray-300);
    }

    .sca-form__checkbox:hover {
        color: var(--sca-white);
    }

    .sca-form__checkbox input[type="checkbox"] {
        border-color: var(--sca-gray-500);
        background: var(--sca-gray-800);
    }

    .sca-form__footer-link {
        color: var(--sca-gray-400);
    }

    .sca-form__divider {
        color: var(--sca-gray-500);
    }

    .sca-form__divider::before,
    .sca-form__divider::after {
        background: var(--sca-gray-700);
    }

    .sca-form__field-hint {
        color: var(--sca-gray-400);
    }
}

/* ══════════════════════════════════════════════════════════════
   ACCESSIBILITÉ
   ══════════════════════════════════════════════════════════════ */

.sca-form__input:focus-visible {
    outline: 2px solid var(--sca-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }

    .sca-btn__spinner {
        animation: none;
        border-top-color: var(--sca-white);
        opacity: 0.8;
    }
}

/* ══════════════════════════════════════════════════════════════
   PRINT
   ══════════════════════════════════════════════════════════════ */

@media print {
    .sca-auth {
        background: var(--sca-white);
        min-height: auto;
        height: auto;
        padding: 0;
    }

    .sca-auth__card {
        box-shadow: none;
        border: 1px solid var(--sca-gray-300);
        backdrop-filter: none;
    }

    .sca-btn {
        box-shadow: none;
    }

    .sca-form__toggle-pwd {
        display: none;
    }
}