/* Auth screens (login / OTP). Builds on the tokens in site.css. */

.auth {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}

@media (max-width: 991.98px) {
    .auth { grid-template-columns: 1fr; }
    .auth-visual { display: none !important; }
}

/* ---- Visual side ---- */
.auth-visual {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem;
    background:
        radial-gradient(800px 400px at 100% 0%, rgba(61, 123, 253, 0.35), transparent 60%),
        radial-gradient(700px 400px at 0% 100%, rgba(124, 92, 250, 0.3), transparent 60%),
        var(--bg-elev);
    border-inline-end: 1px solid var(--border);
}

    .auth-visual::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
        background-size: 36px 36px;
        mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
        pointer-events: none;
    }

    .auth-visual > * { position: relative; z-index: 1; }

.auth-headline {
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(120deg, #ffffff 30%, #9db9ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-features { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 0.9rem; }

    .auth-features li { display: flex; align-items: center; gap: 0.85rem; color: var(--text-2); }

        .auth-features li .stat-icon { width: 38px; height: 38px; font-size: 1rem; }

/* Floating preview card */
.auth-preview {
    margin-top: 2.5rem;
    max-width: 420px;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-lg);
    background: rgba(19, 28, 46, 0.7);
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float { 50% { transform: translateY(-8px); } }

.auth-preview .bars { display: flex; align-items: flex-end; gap: 6px; height: 56px; }
.auth-preview .bars span { flex: 1; max-width: 18px; border-radius: 4px 4px 0 0; background: var(--chart-series); opacity: 0.9; }

/* ---- Form side ---- */
.auth-form {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    background: var(--bg);
}

.auth-card { width: 100%; max-width: 400px; }

.auth-card .form-control,
.auth-card .input-group-text { background-color: var(--surface); }

.auth-card .input-group > .form-control { border-inline-start: 0; }
.auth-card .input-group > .input-group-text:first-child { border-inline-end: 0; padding-inline-end: 0.25rem; }
.auth-card .input-group > .btn { border: 1px solid var(--border-strong); border-inline-start: 0; background: var(--surface); color: var(--text-3); border-radius: 10px; }
.auth-card .input-group:focus-within .input-group-text,
.auth-card .input-group:focus-within .btn { border-color: var(--primary); }
.auth-card .input-group .form-control:focus { box-shadow: none; }
.auth-card .input-group:focus-within { box-shadow: 0 0 0 3px var(--primary-ring); border-radius: 10px; }

.otp-input { letter-spacing: 0.6em; text-align: center; font-size: 1.25rem; font-weight: 700; font-family: var(--font-mono); }

.auth-footer { margin-top: 2rem; text-align: center; font-size: 0.78rem; color: var(--text-3); }