:root {
    --auth-max-width: 1180px;
    --auth-panel-gap: 0;
    --auth-form-width: 520px;
    --auth-border: rgba(255, 255, 255, 0.08);
    --auth-glow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 28px 80px rgba(0, 0, 0, 0.35);
}
body.auth-shell { position: relative; overflow-x: hidden; }
.auth-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.auth-bg__grid, .auth-bg__noise, .auth-bg__orb { position: absolute; inset: 0; }
.auth-bg__grid {
    background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black 34%, transparent 88%);
    opacity: 0.34;
    transform: perspective(1000px) rotateX(68deg) scale(1.8) translateY(-5%);
    transform-origin: top center;
    animation: auth-grid-drift 18s linear infinite;
}
.auth-bg__noise { background-image: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.04) 0 1px, transparent 1px); background-size: 12px 12px; opacity: 0.06; mix-blend-mode: soft-light; }
.auth-bg__orb { filter: blur(28px); opacity: 0.7; }
.auth-bg__orb--1 { top: 6%; left: -8%; width: 36rem; height: 36rem; border-radius: 50%; background: radial-gradient(circle, rgba(0, 213, 170, 0.18), transparent 62%); animation: auth-float 14s ease-in-out infinite; }
.auth-bg__orb--2 { top: 18%; right: -12%; width: 34rem; height: 34rem; border-radius: 50%; background: radial-gradient(circle, rgba(83, 166, 255, 0.2), transparent 62%); animation: auth-float 18s ease-in-out infinite reverse; }
.auth-bg__orb--3 { bottom: -12%; left: 26%; width: 24rem; height: 24rem; border-radius: 50%; background: radial-gradient(circle, rgba(184, 255, 87, 0.12), transparent 65%); animation: auth-float 16s ease-in-out infinite; }
.auth-layout { position: relative; z-index: 1; display: grid; min-height: 100vh; place-items: center; padding-block: 24px; }
.auth-card {
    width: min(var(--auth-max-width), 100%);
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, var(--auth-form-width));
    border: 1px solid var(--auth-border);
    border-radius: 30px;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)), rgba(5,13,20,0.86);
    backdrop-filter: blur(16px);
    box-shadow: var(--auth-glow);
}
.auth-panel { position: relative; min-width: 0; }
.auth-panel--brand {
    background: radial-gradient(circle at top right, rgba(184,255,87,0.1), transparent 24%), linear-gradient(165deg, rgba(0,213,170,0.12), rgba(83,166,255,0.05) 58%, rgba(7,16,24,0.2)), rgba(10,21,33,0.88);
    border-right: 1px solid rgba(255,255,255,0.06);
}
.auth-panel--form { background: linear-gradient(180deg, rgba(16,29,43,0.94), rgba(10,18,27,0.92)); }
.auth-panel__inner { position: relative; height: 100%; padding: 42px; }
.auth-panel__inner--narrow { display: grid; align-items: center; min-height: 100%; padding: 42px; }
.auth-brand { margin-bottom: 34px; }
.auth-brand__icon { width: 48px; height: 48px; border-radius: 14px; box-shadow: 0 18px 34px rgba(0,213,170,0.18); }
.auth-hero { max-width: 56ch; margin-bottom: 28px; }
.auth-hero__title { margin: 0 0 14px; font-size: clamp(2rem, 1.3rem + 2vw, 3rem); line-height: 1.02; font-weight: 800; letter-spacing: -0.04em; }
.auth-hero__text { margin: 0; color: var(--text-soft); font-size: 1rem; max-width: 60ch; }
.auth-insight-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 24px; }
.auth-stat { padding: 16px; border: 1px solid rgba(255,255,255,0.08); border-radius: 18px; background: rgba(255,255,255,0.03); backdrop-filter: blur(12px); transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base); }
.auth-stat:hover { transform: translateY(-2px); border-color: rgba(0,213,170,0.2); background: rgba(255,255,255,0.05); }
.auth-stat__label { margin-bottom: 8px; color: var(--text-faint); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.auth-stat__value { margin-bottom: 6px; font-size: 1.05rem; font-weight: 700; }
.auth-stat__meta { color: var(--text-soft); font-size: 0.86rem; }
.auth-panel__section { margin-bottom: 20px; }
.auth-section-title { margin: 0 0 14px; font-size: 0.88rem; font-weight: 700; letter-spacing: 0.02em; }
.auth-checklist { display: grid; gap: 12px; }
.auth-checklist__item { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); }
.auth-checklist__dot { width: 10px; height: 10px; margin-top: 0.35rem; flex: 0 0 auto; border-radius: 50%; background: linear-gradient(135deg, var(--success), var(--info)); box-shadow: 0 0 0 6px rgba(0,213,170,0.08); }
.auth-chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.auth-chip { display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.04); color: var(--text-soft); font-size: 0.82rem; font-weight: 600; }
.auth-form-shell { width: min(100%, 460px); margin-inline: auto; }
.auth-copy { margin-bottom: 24px; }
.auth-page-title { font-size: clamp(1.8rem, 1.15rem + 1vw, 2.35rem); line-height: 1.04; letter-spacing: -0.03em; }
.auth-page-subtitle { margin-top: 10px; max-width: 54ch; }
.auth-alert-stack { display: grid; gap: 10px; margin-bottom: 22px; }
.auth-alert { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: flex-start; padding: 14px 14px 14px 12px; border-radius: 16px; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.03); animation: auth-slide-up 0.35s ease both; }
.auth-alert--success { border-color: rgba(0,213,170,0.22); background: rgba(0,213,170,0.08); }
.auth-alert--error { border-color: rgba(255,93,126,0.25); background: rgba(255,93,126,0.08); }
.auth-alert--warning { border-color: rgba(255,177,74,0.25); background: rgba(255,177,74,0.08); }
.auth-alert__icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.08); font-weight: 800; }
.auth-alert__title { margin-bottom: 2px; font-size: 0.86rem; font-weight: 700; }
.auth-alert__message { margin: 0; color: var(--text-soft); font-size: 0.9rem; }
.auth-alert__close { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: transparent; color: var(--text-soft); cursor: pointer; }
.auth-form { gap: 16px; }
.auth-form-grid { gap: 16px; }
.auth-field-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.auth-inline-link { color: var(--info); font-size: 0.82rem; font-weight: 600; transition: opacity var(--transition-fast), transform var(--transition-fast); }
.auth-inline-link:hover { opacity: 0.92; transform: translateY(-1px); }
.auth-input-wrap { position: relative; }
.auth-input-wrap .auth-input-icon { position: absolute; top: 50%; left: 14px; transform: translateY(-50%); color: var(--text-faint); font-weight: 700; pointer-events: none; }
.auth-input-icon--mono { font-family: var(--font-mono); }
.auth-input-wrap input { padding-left: 40px; }
.auth-input-wrap--password input, .auth-input-wrap--readonly input { padding-right: 74px; }
.auth-input-action { position: absolute; top: 50%; right: 10px; transform: translateY(-50%); min-height: 32px; padding: 0 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.04); color: var(--text-soft); font-size: 0.8rem; font-weight: 700; cursor: pointer; transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast); }
.auth-input-action:hover { border-color: rgba(83,166,255,0.25); color: var(--text); background: rgba(83,166,255,0.08); }
.auth-inline-error { padding: 12px 14px; border: 1px solid rgba(255,93,126,0.25); border-radius: 14px; background: rgba(255,93,126,0.08); color: var(--text); }
.auth-form ul.errorlist { margin: 2px 0 0; padding: 0; list-style: none; color: var(--danger); font-size: 0.82rem; }
.auth-form ul.errorlist li + li { margin-top: 4px; }
.auth-submit { position: relative; overflow: hidden; }
.auth-submit::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent); transform: translateX(-120%); }
.auth-submit:hover::after { animation: auth-shimmer 1.2s ease; }
.auth-submit__spinner { display: none; width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(7,16,24,0.18); border-top-color: rgba(7,16,24,0.92); }
.auth-submit.is-loading { pointer-events: none; opacity: 0.82; }
.auth-submit.is-loading .auth-submit__spinner { display: inline-block; animation: spin 0.8s linear infinite; }
.auth-support { margin-top: 18px; }
.auth-support--compact { margin-top: 22px; }
.auth-support__card { padding: 16px; border: 1px solid rgba(255,255,255,0.06); border-radius: 18px; background: rgba(255,255,255,0.03); }
.auth-support__title { margin-bottom: 6px; font-size: 0.96rem; font-weight: 700; }
.auth-support__text { margin: 0 0 14px; color: var(--text-soft); font-size: 0.9rem; }
.auth-footer-link { display: flex; align-items: center; gap: 8px; justify-content: center; margin-top: 18px; font-size: 0.92rem; }
.auth-security-panel { margin-top: 8px; }
.auth-mfa-card { overflow: hidden; }
.auth-mfa-grid { align-items: center; }
.auth-qr-card { display: grid; gap: 14px; justify-items: center; padding: 6px; }
.auth-qr-card__frame { width: min(100%, 280px); aspect-ratio: 1; padding: 14px; border-radius: 28px; border: 1px solid rgba(255,255,255,0.08); background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)); box-shadow: inset 0 1px 0 rgba(255,255,255,0.05); }
.auth-qr-card__caption { margin: 0; color: var(--text-soft); text-align: center; font-size: 0.86rem; max-width: 30ch; }
.auth-qr-placeholder { position: relative; width: 100%; height: 100%; border-radius: 18px; overflow: hidden; background: linear-gradient(135deg, rgba(0,213,170,0.08), rgba(83,166,255,0.1)), #0b1622; }
.auth-qr-placeholder__grid { position: absolute; inset: 0; opacity: 0.75; background-image: linear-gradient(90deg, rgba(255,255,255,0.9) 12%, transparent 12%, transparent 22%, rgba(255,255,255,0.9) 22%, rgba(255,255,255,0.9) 32%, transparent 32%), linear-gradient(rgba(255,255,255,0.92) 12%, transparent 12%, transparent 22%, rgba(255,255,255,0.92) 22%, rgba(255,255,255,0.92) 32%, transparent 32%); background-size: 24px 24px; mask-image: radial-gradient(circle at center, black 68%, transparent 96%); animation: auth-grid-drift 12s linear infinite reverse; }
.auth-shell [data-reveal] { opacity: 0; transform: translateY(14px); }
.auth-shell.is-ready [data-reveal] { animation: auth-fade-up 0.6s cubic-bezier(0.22,1,0.36,1) forwards; }
.auth-shell.is-ready [data-reveal="card"] { animation-duration: 0.8s; }
@keyframes auth-fade-up { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes auth-slide-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes auth-shimmer { to { transform: translateX(120%); } }
@keyframes auth-float { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(1.25rem,-1rem,0) scale(1.04); } }
@keyframes auth-grid-drift { from { transform: perspective(1000px) rotateX(68deg) scale(1.8) translateY(-5%) translateX(0); } to { transform: perspective(1000px) rotateX(68deg) scale(1.8) translateY(-5%) translateX(-40px); } }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .auth-shell [data-reveal] { opacity: 1; transform: none; }
}
@media (max-width: 1120px) { .auth-card { grid-template-columns: 1fr; } .auth-panel--brand { border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.06); } }
@media (max-width: 860px) { .auth-layout { padding-block: 14px; } .auth-card { border-radius: 24px; } .auth-panel__inner, .auth-panel__inner--narrow { padding: 28px 20px; } .auth-insight-grid, .auth-mfa-grid { grid-template-columns: 1fr; } .auth-form-shell { width: 100%; } }
@media (max-width: 640px) { .auth-brand { margin-bottom: 24px; } .auth-hero__title { font-size: 2rem; } .auth-field-head, .auth-footer-link { flex-direction: column; align-items: flex-start; } .auth-footer-link { justify-content: flex-start; } }
.auth-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
    color: var(--text-muted, #6b7280);
    font-size: 0.95rem;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color, #e5e7eb);
}

.auth-divider::before {
    margin-right: 0.75rem;
}

.auth-divider::after {
    margin-left: 0.75rem;
}

.auth-social-list {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.btn--social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.auth-social__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    font-weight: 700;
}