/* =============================================================
   LOGIN.CSS — Styles de la page de Connexion & Inscription
   FiletStudio Design System (Playfair, Parchemin, Handcrafted)
   ============================================================= */

@font-face {
    font-family: 'Playfair Display';
    src: url('../fonts/playfair-display-variable.woff2') format('woff2');
    font-weight: 400 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Playfair Display';
    src: url('../fonts/playfair-display-italic.woff2') format('woff2');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('../fonts/inter-variable.woff2') format('woff2');
    font-weight: 400 600;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg-color: #f4ecd8;
    --panel-bg: #eae0c8;
    --text-main: #3e3222;
    --text-light: #8c7d6a;
    --accent: #8b4513;
    --accent-hover: #6b340e;
    --accent-light: #e8d8c3;
    --border: #d1c7b0;
    --border-dark: #b8ac94;
    --shadow: 0 15px 35px rgba(62, 50, 34, 0.15);
    --shadow-sm: 0 4px 12px rgba(62, 50, 34, 0.08);
    --danger: #b83232;
    --danger-bg: #fde8e8;
    --success: #2e7d32;
    --success-bg: #e8f5e9;
    --font-headings: 'Playfair Display', serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body.login-body {
    min-height: 100vh;
    background-color: var(--bg-color);
    /* Motif quadrillé filet discret en arrière-plan */
    background-image: 
        linear-gradient(rgba(209, 199, 176, 0.25) 1px, transparent 1px),
        linear-gradient(90deg, rgba(209, 199, 176, 0.25) 1px, transparent 1px);
    background-size: 24px 24px;
    font-family: var(--font-body);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-wrapper {
    width: 100%;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

/* En-tête de marque */
.brand-header {
    text-align: center;
}

.brand-logo-icon {
    font-size: 2.8rem;
    line-height: 1;
    margin-bottom: 0.5rem;
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(139, 69, 19, 0.2));
}

.brand-title {
    font-family: var(--font-headings);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.6);
}

.brand-subtitle {
    font-size: 0.95rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.2rem;
}

/* Carte principale de connexion */
.login-card {
    width: 100%;
    background: #fdfbf7;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem 2.2rem;
    box-shadow: var(--shadow);
    position: relative;
}

/* Double bordure intérieure style atelier */
.login-card::before {
    content: '';
    position: absolute;
    top: 7px;
    left: 7px;
    right: 7px;
    bottom: 7px;
    border: 1px solid var(--border);
    border-radius: 8px;
    pointer-events: none;
}

/* Sélecteur d'onglets (Connexion / Inscription) */
.auth-tabs {
    display: flex;
    background: var(--panel-bg);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin-bottom: 1.8rem;
    position: relative;
    z-index: 2;
}

.auth-tab-btn {
    flex: 1;
    padding: 0.6rem 1rem;
    border: none;
    background: transparent;
    font-family: var(--font-headings);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.auth-tab-btn:hover {
    color: var(--accent);
}

.auth-tab-btn.active {
    background: #fdfbf7;
    color: var(--accent);
    box-shadow: var(--shadow-sm);
    font-weight: 700;
}

/* Formulaires */
.auth-form {
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    z-index: 2;
}

.auth-form.active {
    display: flex;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-main);
    background: #ffffff;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    outline: none;
    transition: all 0.2s ease;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.12);
    background: #fff;
}

.form-input::placeholder {
    color: #b5a997;
    font-size: 0.9rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: -0.2rem;
}

/* Champ mot de passe avec bouton "afficher/masquer" */
.password-field {
    position: relative;
    display: flex;
}

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

.password-toggle-btn {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem;
    background: none;
    border: none;
    border-radius: 4px;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.2s ease;
}

.password-toggle-btn:hover {
    color: var(--accent);
}

.password-toggle-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.password-toggle-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

.password-toggle-btn .icon-eye-off {
    display: none;
}

.password-toggle-btn[aria-pressed="true"] .icon-eye {
    display: none;
}

.password-toggle-btn[aria-pressed="true"] .icon-eye-off {
    display: block;
}

/* Message d'erreur et succès */
.auth-alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.88rem;
    line-height: 1.4;
    display: none;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
}

.auth-alert.error {
    background-color: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(184, 50, 50, 0.3);
    display: flex;
}

.auth-alert.success {
    background-color: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(46, 125, 50, 0.3);
    display: flex;
}

/* Bouton principal */
.btn-submit {
    margin-top: 0.5rem;
    padding: 0.85rem 1.5rem;
    background-color: var(--accent);
    color: #ffffff;
    border: 1px solid var(--accent);
    border-radius: 6px;
    font-family: var(--font-headings);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 10px rgba(139, 69, 19, 0.2);
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(139, 69, 19, 0.25);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner */
.spinner-inline {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

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

/* Pied de carte */
.login-footer {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.login-footer-link {
    background: none;
    border: none;
    padding: 0;
    margin-top: 0.4rem;
    font-size: 0.82rem;
    font-family: inherit;
    color: var(--text-light);
    text-decoration: underline;
    cursor: pointer;
}
.login-footer-link:hover {
    color: var(--accent);
}