/* ============================================================
   AUTH — Styles partagés pour les pages d'authentification
   (connexion, inscription, mot de passe oublié, reset password)
   ============================================================ */

/* ── Page layout ─────────────────────────────────────────── */

body {
    background: url("../img/photo fond data.png") no-repeat center center/cover;
    font-family: var(--font-display);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 1.5rem;
    overflow-y: auto;
    color: var(--text-primary);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(15, 15, 35, 0.80) 0%,
        rgba(20, 18, 40, 0.65) 50%,
        rgba(15, 15, 35, 0.80) 100%
    );
    backdrop-filter: blur(4px);
    z-index: -1;
}

/* ── Carte principale ────────────────────────────────────── */

.auth-card {
    background: var(--bg-glass-heavy);
    border: 1px solid rgba(var(--base-color-for-glow), 0.18);
    backdrop-filter: blur(18px);
    padding: 2.5rem 2rem 2rem;
    border-radius: var(--radius-2xl);
    width: min(440px, 92vw);
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.45),
        0 0 60px rgba(var(--base-color-for-glow), 0.12),
        inset 0 1px 0 var(--border-subtle);
    animation: fadeInUp 0.6s var(--easing-smooth);
    position: relative;
}

/* subtle glow accent at top of card */
.auth-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: var(--gradient-accent-blue);
    border-radius: 0 0 var(--radius-pill) var(--radius-pill);
    opacity: 0.8;
}

/* ── Branding (logo + title) ─────────────────────────────── */

.auth-branding {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.auth-branding .auth-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(var(--base-color-for-glow), 0.45));
    margin-bottom: 0.25rem;
}

.auth-card h1 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin: 0;
    background: var(--gradient-accent-blue);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.3px;
}

.auth-card .auth-subtitle {
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-soft);
    margin: 0.25rem 0 0;
    line-height: 1.4;
    font-weight: 400;
}

/* standalone p (forgot-password, reset) */
.auth-card p {
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-soft);
    margin: -0.5rem 0 1.5rem;
    line-height: 1.5;
}

/* ── Separator  ──────────────────────────────────────────── */

.auth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: var(--text-hint);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-light);
}

/* ── Form layout ─────────────────────────────────────────── */

.auth-card form {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

/* ── Champs de formulaire ────────────────────────────────── */

.auth-card .form-group {
    position: relative;
    margin-bottom: 0.75rem;
}

.auth-card .form-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-soft-light);
    margin-bottom: 0.4rem;
    display: block;
    letter-spacing: 0.2px;
}

/* Two-column name row (inscription) */
.auth-name-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* Input-group overrides for auth context (glassmorphism) */
.auth-card .input-group {
    background: var(--bg-subtle);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-md);
    transition: border-color var(--duration-normal) var(--easing-default),
                box-shadow var(--duration-normal) var(--easing-default),
                background var(--duration-normal) var(--easing-default);
}

.auth-card .input-group:hover {
    border-color: var(--border-strong);
    background: var(--bg-subtle-hover);
}

.auth-card .input-group:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--base-color-for-glow), 0.15),
                0 0 16px rgba(var(--base-color-for-glow), 0.1);
    background: var(--bg-subtle-hover);
}

.auth-card .input-group-field {
    background: transparent;
    border: none;
}

.auth-card .input-group .form-input {
    background: transparent;
    color: var(--text-primary);
    font-size: 0.92rem;
}

.auth-card .input-group .form-input::placeholder {
    color: var(--text-hint);
    font-weight: 400;
}

.auth-card .input-group .form-input:focus {
    box-shadow: none;
}

.auth-card .input-group-prepend-inner {
    color: var(--text-muted);
    transition: color var(--duration-normal);
}

.auth-card .input-group:focus-within .input-group-prepend-inner {
    color: var(--color-primary);
}

/* ── Toggle password button ──────────────────────────────── */

.auth-card .toggle-password {
    background: none;
    border: none;
    color: var(--text-hint);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    transition: color var(--duration-fast);
}

.auth-card .toggle-password:hover {
    color: var(--color-primary-light);
}

/* ── Checkbox-container in auth ──────────────────────────── */

.auth-card .checkbox-container {
    font-size: 0.82rem;
    color: var(--text-soft);
    line-height: 1.4;
}

.auth-card .checkbox-container .checkmark {
    border-color: var(--border-strong);
    background: var(--bg-subtle);
    transition: var(--transition-fast);
}

.auth-card .checkbox-container:hover .checkmark {
    border-color: var(--color-primary);
}

.auth-card .checkbox-container input:checked ~ .checkmark {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 8px rgba(var(--base-color-for-glow), 0.35);
}

/* ── Inline link (forgot-password inside form) ───────────── */

.auth-form-link {
    display: flex;
    justify-content: flex-end;
    margin-top: -0.25rem;
    margin-bottom: 0.5rem;
}

.auth-form-link a {
    font-size: 0.8rem;
    color: var(--text-soft);
    text-decoration: none;
    transition: color var(--duration-fast);
}

.auth-form-link a:hover {
    color: var(--color-primary-light);
}

/* ── Password strength meter ─────────────────────────────── */

.password-strength {
    margin-top: 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.password-strength-bar {
    height: 4px;
    border-radius: var(--radius-pill);
    background: var(--bg-subtle-active);
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    border-radius: var(--radius-pill);
    width: 0;
    transition: width var(--duration-normal), background var(--duration-normal);
}

.password-strength-fill[data-strength="weak"] {
    width: 33%;
    background: var(--color-danger);
}

.password-strength-fill[data-strength="medium"] {
    width: 66%;
    background: var(--color-warning);
}

.password-strength-fill[data-strength="strong"] {
    width: 100%;
    background: var(--color-success-bright);
}

.password-strength-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: right;
}

.password-strength-label[data-strength="weak"]   { color: var(--color-danger); }
.password-strength-label[data-strength="medium"] { color: var(--color-warning); }
.password-strength-label[data-strength="strong"] { color: var(--color-success-bright); }

/* ── Bouton principal (scoped à la carte auth) ──────────── */

.auth-card .btn-primary {
    width: 100%;
    padding: 0.85rem 1rem;
    margin-top: 0.75rem;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--text-on-primary);
    background: var(--gradient-accent-blue);
    background-size: 200% 100%;
    cursor: pointer;
    transition: transform var(--duration-fast) var(--easing-smooth),
                box-shadow var(--duration-normal),
                background-position var(--duration-normal);
    box-shadow: 0 4px 16px rgba(var(--base-color-for-glow), 0.3);
    position: relative;
    overflow: hidden;
}

.auth-card .btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--bg-subtle-active) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.auth-card .btn-primary:hover:enabled {
    transform: translateY(-2px);
    background-position: right center;
    box-shadow: 0 6px 24px rgba(var(--base-color-for-glow), 0.4);
}

.auth-card .btn-primary:hover:enabled::after {
    transform: translateX(100%);
}

.auth-card .btn-primary:active:enabled {
    transform: translateY(0);
}

.auth-card .btn-primary:disabled {
    background: var(--bg-subtle-extra);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    border: 1px solid var(--border-subtle);
}

/* ── Button loading state ────────────────────────────────── */

.auth-card .btn-primary.is-loading {
    pointer-events: none;
    color: transparent;
}

.auth-card .btn-primary.is-loading::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--text-hint);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: authSpin 0.6s linear infinite;
}

/* ── Feedback (errors / success / pending) ───────────────── */

.auth-card .validation-errors {
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.82rem;
    line-height: 1.5;
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-bright);
    animation: fadeIn 0.3s ease;
}

.auth-card .validation-errors ul {
    margin: 0;
    padding-left: 1.1rem;
    list-style: none;
}

.auth-card .validation-errors ul li {
    position: relative;
    padding-left: 0.15rem;
}

.auth-card .validation-errors ul li::before {
    content: "\f06a";                       /* fa-exclamation-circle */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.72rem;
    position: absolute;
    left: -1.1rem;
    top: 0.22rem;
    opacity: 0.7;
}

.auth-card .validation-errors.success {
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: var(--color-success-bright);
}

.auth-card .validation-errors.success ul li::before {
    content: "\f058";                       /* fa-check-circle */
}

.auth-card .validation-errors.pending {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: var(--color-info-light);
}

/* ── Footer (liens) ──────────────────────────────────────── */

.auth-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-soft);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    line-height: 1.5;
}

.auth-footer a {
    color: var(--color-primary-light);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration-fast);
}

.auth-footer a:hover {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.auth-footer .auth-footer-cta {
    margin-top: 0.25rem;
}

.auth-footer .auth-footer-cta a {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-weight: 600;
    color: var(--color-primary);
}

/* ── Terms links ──────────────────────────────────────────── */

.auth-card .checkbox-container a {
    color: var(--color-primary-light);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration-fast);
}

.auth-card .checkbox-container a:hover {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ── Animations ──────────────────────────────────────────── */

@keyframes fadeInUp {
    from {
        transform: translateY(28px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

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

/* ── Responsive ──────────────────────────────────────────── */

@media (min-width: 1024px) {
    .auth-card {
        width: 440px;
        padding: 2.75rem 2.5rem 2.25rem;
    }

    .auth-card h1 {
        font-size: 1.75rem;
    }

    .auth-branding .auth-logo {
        width: 64px;
        height: 64px;
    }
}

@media (min-width: 600px) and (max-width: 1023px) {
    body {
        padding: 2rem;
    }

    .auth-card {
        width: 95%;
        max-width: 440px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .auth-card {
        padding: 1.75rem 1.25rem 1.5rem;
        border-radius: var(--radius-xl);
        width: 100%;
    }

    .auth-card h1 {
        font-size: 1.35rem;
    }

    .auth-branding .auth-logo {
        width: 48px;
        height: 48px;
    }

    .auth-name-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .auth-card .input-group-field {
        font-size: 0.9rem;
    }

    .auth-card .btn-primary {
        font-size: 0.9rem;
        padding: 0.8rem;
    }
}

/* ── Écrans à faible hauteur (laptops, orientations paysage) ── */

@media (max-height: 750px) {
    body {
        align-items: flex-start;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .auth-branding {
        margin-bottom: 1rem;
        gap: 0.25rem;
    }

    .auth-branding .auth-logo {
        width: 40px;
        height: 40px;
    }

    .auth-card h1 {
        font-size: 1.25rem;
    }

    .auth-subtitle {
        font-size: 0.82rem;
    }

    .auth-card {
        padding: 1.5rem 1.25rem 1.25rem;
    }

    .auth-card .form-group {
        margin-bottom: 0.5rem;
    }

    .auth-card .form-label {
        margin-bottom: 0.2rem;
        font-size: 0.8rem;
    }

    .auth-card .form-input {
        padding: 0.5rem 0.6rem 0.5rem 2rem;
        font-size: 0.85rem;
    }

    .auth-card .btn-primary {
        padding: 0.65rem;
        font-size: 0.85rem;
        margin-top: 0.25rem;
    }

    .auth-footer {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }
}

@media (max-height: 550px) {
    body {
        padding-top: 0.5rem;
    }

    .auth-branding .auth-logo {
        width: 32px;
        height: 32px;
    }

    .auth-branding {
        margin-bottom: 0.5rem;
    }

    .auth-card {
        padding: 1rem;
    }

    .auth-card .form-group {
        margin-bottom: 0.35rem;
    }

    .password-strength {
        margin-top: 0.25rem;
    }
}