/* ============================================================
   [ PAGE // AUTHENTICATION CONSOLE ]
   UNIT / P-AUTH   REV / 2.6
   ============================================================ */

.auth-body {
    min-height: 100vh;
    background: var(--sub-void);
    display: flex;
    align-items: stretch;
    justify-content: center;
    font-family: var(--font-mono);
    position: relative;
    padding: 0;
}

/* gigantic background numerals — blueprint bleed */
.auth-body::before {
    content: "D-01 / AUTH // SECURE / CH-TX-2609";
    position: fixed;
    top: 12px;
    left: 16px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--fg-ghost);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    z-index: 1;
}

.theme-toggle-container { display: none !important; }

.auth-container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    position: relative;
}
.auth-container.single-card { max-width: 480px; }

.auth-card {
    background: var(--sub-rack);
    border: 1px solid var(--sub-rule-hi);
    padding: var(--spacing-3xl);
    position: relative;
    width: 100%;
}
.auth-card.centered { margin: 0 auto; }

.auth-card::before {
    content: "[ REV 2.6 ]";
    position: absolute;
    top: 8px;
    right: 12px;
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--fg-ghost);
    letter-spacing: 0.2em;
}

.auth-header {
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--alert-red);
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}
.auth-logo .logo {
    width: 34px;
    height: 34px;
    background: var(--alert-red);
    color: var(--on-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-macro);
    font-weight: 900;
    letter-spacing: 0;
    font-size: 14px;
}
.auth-logo h1 {
    font-family: var(--font-macro);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--fg-phosphor);
    text-transform: uppercase;
    margin: 0;
}

.auth-subtitle {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: var(--spacing-sm);
}
.auth-subtitle::before { content: "// "; color: var(--alert-red); }

.auth-form { display: block; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

.form-group label { }
.form-group label i { margin-right: var(--spacing-xs); color: var(--alert-red); }

.password-input { position: relative; }
.password-input input { padding-right: 36px; }

.password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 1px solid var(--sub-rule);
    color: var(--fg-dim);
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.password-toggle:hover { color: var(--fg-phosphor); border-color: var(--fg-phosphor); }

.password-strength { margin-top: var(--spacing-xs); }
.strength-bar {
    height: 4px;
    background: var(--sub-void);
    border: 1px solid var(--sub-rule);
    overflow: hidden;
}
.strength-fill { height: 100%; transition: width var(--transition-fast); }
.strength-fill.weak   { background: var(--alert-red); }
.strength-fill.fair   { background: var(--stat-warn); }
.strength-fill.good   { background: var(--fg-phosphor); }
.strength-fill.strong { background: var(--fg-phosphor); }
.strength-text {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 4px;
}

.auth-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--sub-rule);
    text-align: center;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}
.auth-footer a {
    color: var(--fg-phosphor);
    border-bottom: 1px solid var(--alert-red);
}

.remember-me,
.terms-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--fg-dim);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.forgot-link {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--fg-phosphor);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-bottom: 1px solid var(--alert-red);
}

.social-auth {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--sub-rule);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.social-auth-divider {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.3em;
    color: var(--fg-ghost);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}
.social-auth-divider::before,
.social-auth-divider::after { content: " /// "; color: var(--alert-red); }