/* VANTAGE auth screens — two-column login shell (docs/06 §3.1).
   Reads tokens.css; loaded only on guest pages. Left brand panel is pure
   token-driven CSS + inline SVG (no external image). Responsive: the split
   stacks to a single column on narrow screens. */

.auth-body { margin: 0; background: var(--ink); }

.auth-split {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    min-height: 100vh;
}

/* ---------------------------------------------------------- brand panel */
.auth-brand {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--sp-6);
    padding: var(--sp-7) var(--sp-7);
    color: #EAF3EE;
    background:
        radial-gradient(120% 90% at 12% 8%, rgba(20, 160, 94, .28), transparent 60%),
        linear-gradient(160deg, #0B2A1D 0%, #0B1F17 55%, #081711 100%);
}
.auth-brand-glow {
    position: absolute;
    right: -120px; bottom: -140px;
    width: 460px; height: 460px; border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 155, 60, .16), transparent 62%);
    pointer-events: none;
}
.auth-brand > * { position: relative; z-index: 1; }

.auth-logo { display: inline-flex; align-items: center; gap: var(--sp-3); }
.auth-logo .brand-mark {
    width: 40px; height: 40px; font-size: var(--fs-lg);
    background: linear-gradient(135deg, var(--green) 0%, var(--green-deep) 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}
.auth-logo-text { font-weight: var(--fw-bold); letter-spacing: var(--tracking-wide); color: #fff; line-height: 1.1; }
.auth-logo-text small { display: block; font-size: 10px; font-weight: var(--fw-medium); letter-spacing: .14em; text-transform: uppercase; color: var(--side-text-dim); }

.auth-brand-mid { max-width: 30rem; }
.auth-brand-mid h2 { color: #fff; font-size: var(--fs-2xl); line-height: 1.15; margin: 0 0 var(--sp-3); }
.auth-brand-mid p { color: #B9D0C4; font-size: var(--fs-base); margin: 0; }

.auth-brand-stats { list-style: none; display: flex; gap: var(--sp-6); padding: 0; margin: var(--sp-6) 0 0; }
.auth-brand-stats li { display: flex; flex-direction: column; }
.auth-brand-stats strong { font-family: var(--font-num); font-size: var(--fs-xl); color: var(--gold); font-weight: var(--fw-bold); }
.auth-brand-stats span { font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; color: var(--side-text-dim); }

.auth-brand-foot { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-xs); color: var(--side-text-dim); }

/* ---------------------------------------------------------- form panel */
.auth-form-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    padding: var(--sp-6) var(--sp-4);
    background: var(--surface);
}
.auth-form-card { width: 100%; max-width: 380px; }
.auth-form-brand { display: none; margin-bottom: var(--sp-5); }
.auth-form-brand .brand-name { color: var(--ink); }

.auth-head { margin-bottom: var(--sp-5); }
.auth-head h1 { font-size: var(--fs-2xl); margin: 0 0 var(--sp-1); }
.auth-head .muted { margin: 0; }

.auth-form .field { margin-bottom: var(--sp-4); }
.auth-form .btn--block { margin-top: var(--sp-2); }

.auth-help { margin-top: var(--sp-5); line-height: 1.5; }
.auth-legal { font-size: var(--fs-xs); color: var(--muted); margin: 0; }

/* 2FA / small forms rendered inside the form panel keep tidy spacing */
.auth-form-card .field + .btn, .auth-form-card form .btn { margin-top: var(--sp-2); }

/* ---------------------------------------------------------- responsive */
@media (max-width: 860px) {
    .auth-split { grid-template-columns: 1fr; }
    .auth-brand {
        padding: var(--sp-5);
        gap: var(--sp-4);
        min-height: auto;
    }
    .auth-brand-mid h2 { font-size: var(--fs-xl); }
    .auth-brand-mid p { font-size: var(--fs-sm); }
    .auth-brand-stats { gap: var(--sp-5); margin-top: var(--sp-4); }
    .auth-form-col { padding: var(--sp-6) var(--sp-4) var(--sp-7); }
}
@media (max-width: 520px) {
    /* Hide the marketing copy; keep a slim branded header + the stats hidden. */
    .auth-brand-mid p, .auth-brand-stats, .auth-brand-foot { display: none; }
    .auth-brand { padding: var(--sp-4) var(--sp-4) var(--sp-5); }
    .auth-brand-mid h2 { font-size: var(--fs-lg); margin: 0; }
}