/* ─────────────────────────────────────────────────────────────────
 * artificial. — auth pages (light Atelier)
 *
 * Pairs with login.php, register.php, verify-email.php,
 * forgot-password.php, reset-password.php.
 * ───────────────────────────────────────────────────────────────── */

/* Scoped box-sizing reset so width:100% + padding + border doesn't
   overflow the auth card. Without this, the Google button (and inputs)
   render wider than the card and bleed past the rounded corners. */
.auth-wrap *, .auth-wrap *::before, .auth-wrap *::after { box-sizing: border-box; }

body.auth-body {
    background: var(--ap-paper);
    color: var(--ap-ink);
    font-family: var(--ap-font-sans);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
}

.auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
    position: relative;
    overflow: hidden;
}
.auth-wrap::before {
    content: "";
    position: absolute;
    inset: -10% -10% auto -10%;
    height: 60vh; max-height: 700px;
    background: radial-gradient(ellipse 50% 80% at 50% 0%, rgba(77,128,94,0.12) 0%, transparent 60%);
    pointer-events: none; z-index: 0;
}

.auth-back-home {
    position: absolute;
    top: 28px; left: 32px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--ap-font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ap-ink-3);
    text-decoration: none;
    z-index: 2;
    transition: gap var(--ap-duration-base) var(--ap-ease-smooth), color var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-back-home:hover { gap: 12px; color: var(--ap-ink); }
@media (max-width: 560px) { .auth-back-home { top: 16px; left: 16px; } }

.auth-card {
    position: relative; z-index: 1;
    width: 100%;
    max-width: 440px;
    background: var(--ap-paper-raised);
    border: 1px solid var(--ap-border);
    border-radius: var(--ap-radius-2xl);
    box-shadow: var(--ap-shadow-lg);
    padding: 44px 40px 36px;
}
@media (max-width: 560px) { .auth-card { padding: 32px 24px 28px; border-radius: var(--ap-radius-xl); } }

.auth-brand {
    display: inline-flex;
    align-items: baseline;
    font-family: var(--ap-font-display);
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.035em;
    color: var(--ap-ink);
    margin-bottom: 24px;
    text-decoration: none;
}
.auth-brand .dot { color: var(--ap-accent); }

.auth-title {
    font-family: var(--ap-font-display);
    font-size: clamp(1.875rem, 4.5vw, 2.375rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: var(--ap-ink);
    margin: 0 0 8px;
}
.auth-title .dot { color: var(--ap-accent); }
.auth-sub {
    color: var(--ap-ink-3);
    font-size: var(--ap-text-base);
    line-height: 1.5;
    margin: 0 0 28px;
}
.auth-sub a { color: var(--ap-ink); text-decoration: underline; font-weight: 500; }
.auth-sub a:hover { color: var(--ap-accent); }

/* ── Form fields ── */
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-field { display: block; }
.auth-label {
    display: block;
    font-family: var(--ap-font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ap-ink-3);
    margin-bottom: 8px;
}
.auth-input {
    display: block;
    width: 100%;
    padding: 13px 14px;
    background: var(--ap-paper);
    border: 1px solid var(--ap-border-strong);
    border-radius: var(--ap-radius-md);
    font-family: var(--ap-font-sans);
    font-size: var(--ap-text-md);
    color: var(--ap-ink);
    transition: border-color var(--ap-duration-base) var(--ap-ease-smooth), background var(--ap-duration-base) var(--ap-ease-smooth), box-shadow var(--ap-duration-base) var(--ap-ease-smooth);
    box-sizing: border-box;
}
.auth-input::placeholder { color: var(--ap-ink-5); }
.auth-input:focus {
    outline: none;
    background: var(--ap-paper-raised);
    border-color: var(--ap-accent);
    box-shadow: 0 0 0 3px rgba(77,128,94,0.15);
}

.auth-input-wrap { position: relative; }
.auth-eye {
    position: absolute;
    right: 10px; top: 50%;
    transform: translateY(-50%);
    background: none; border: none; cursor: pointer;
    color: var(--ap-ink-4);
    padding: 6px;
    display: inline-flex;
    transition: color var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-eye:hover { color: var(--ap-ink); }

.auth-submit {
    margin-top: 8px;
    width: 100%;
    padding: 14px;
    background: var(--ap-ink);
    color: var(--ap-paper);
    border: 1px solid var(--ap-ink);
    border-radius: var(--ap-radius-md);
    font-family: var(--ap-font-sans);
    font-size: var(--ap-text-md);
    font-weight: 600;
    letter-spacing: -0.005em;
    cursor: pointer;
    transition: background var(--ap-duration-base) var(--ap-ease-smooth), transform var(--ap-duration-base) var(--ap-ease-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.auth-submit:hover:not(:disabled) { background: var(--ap-ink-2); transform: translateY(-1px); }
.auth-submit:disabled { opacity: 0.55; cursor: not-allowed; }

/* ── Alert banners ── */
.auth-alert {
    padding: 12px 14px;
    border-radius: var(--ap-radius-md);
    font-size: var(--ap-text-sm);
    line-height: 1.5;
    margin-bottom: 4px;
    border: 1px solid transparent;
}
.auth-alert.error   { background: var(--ap-danger-tint);  color: var(--ap-danger);  border-color: var(--ap-danger-border); }
.auth-alert.success { background: var(--ap-success-tint); color: var(--ap-accent-dark); border-color: var(--ap-accent-tint-2); }
.auth-alert.info    { background: var(--ap-info-tint);    color: var(--ap-info);    border-color: var(--ap-info-border); }
.auth-alert a       { color: inherit; text-decoration: underline; font-weight: 600; }

/* ── Divider ── */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 22px 0;
    font-family: var(--ap-font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ap-ink-5);
}
.auth-divider::before, .auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--ap-border);
}

/* ── Google OAuth button ── */
.auth-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 13px;
    background: var(--ap-paper-raised);
    border: 1px solid var(--ap-border-strong);
    border-radius: var(--ap-radius-md);
    color: var(--ap-ink);
    font-family: var(--ap-font-sans);
    font-size: var(--ap-text-md);
    font-weight: 500;
    text-decoration: none;
    transition: background var(--ap-duration-base) var(--ap-ease-smooth), border-color var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-google:hover { background: var(--ap-paper-sunk); border-color: var(--ap-ink-4); }

/* ── Footer links under card ── */
.auth-footer {
    margin-top: 24px;
    text-align: center;
    font-size: var(--ap-text-sm);
    color: var(--ap-ink-3);
    line-height: 1.6;
}
.auth-footer a {
    color: var(--ap-ink);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid var(--ap-border-strong);
    transition: border-color var(--ap-duration-base) var(--ap-ease-smooth), color var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-footer a:hover { color: var(--ap-accent); border-bottom-color: var(--ap-accent); }
.auth-footer .meta { display: block; margin-top: 8px; font-size: var(--ap-text-xs); color: var(--ap-ink-4); }

.auth-meta-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--ap-font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ap-ink-4);
    text-decoration: none;
    transition: color var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-meta-link:hover { color: var(--ap-ink); }

/* ── Password strength meter (register) ── */
.auth-strength {
    margin-top: 10px;
    font-family: var(--ap-font-mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ap-ink-4);
}
.auth-strength-track {
    height: 3px;
    background: var(--ap-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 6px;
}
.auth-strength-fill {
    height: 100%;
    width: 0%;
    background: var(--ap-danger);
    transition: width var(--ap-duration-base) var(--ap-ease-smooth), background var(--ap-duration-base) var(--ap-ease-smooth);
}
.auth-strength[data-level="1"] .auth-strength-fill { width: 25%;  background: var(--ap-danger); }
.auth-strength[data-level="2"] .auth-strength-fill { width: 50%;  background: var(--ap-warning); }
.auth-strength[data-level="3"] .auth-strength-fill { width: 75%;  background: var(--ap-sand); }
.auth-strength[data-level="4"] .auth-strength-fill { width: 100%; background: var(--ap-accent); }