/* ============================================
   MARS — Auth pages (login, register)
   Shared "site access" shell. Page-specific bits stay inline.
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
    --body: 'Instrument Sans', system-ui, sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
    --error-text: #FCA5A5;
    --ok-text: #86EFAC;
    --hazard: repeating-linear-gradient(-45deg, var(--color-warning) 0 8px, transparent 8px 16px);
}
html[data-theme="light"] { --error-text: var(--color-danger); --ok-text: var(--color-success); }

body {
    font-family: var(--body);
    background: var(--surface-body);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
}

/* ── Left: site manifest ── */
.manifest {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 44px;
    padding: 48px 56px;
    border-right: 1px solid var(--border-subtle);
    background:
        radial-gradient(60% 45% at 12% 8%, var(--color-cyan-glow), transparent 70%),
        linear-gradient(var(--border-subtle) 1px, transparent 1px) 0 0 / 32px 32px,
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px) 0 0 / 32px 32px,
        var(--surface-sidebar);
}
.manifest > * { position: relative; z-index: 1; }

.watermark {
    position: absolute;
    right: -0.04em;
    bottom: -0.2em;
    z-index: 0;
    font-family: var(--display);
    font-weight: 800;
    font-size: clamp(160px, 21vw, 340px);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px var(--border-default);
    pointer-events: none;
    user-select: none;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 40px; height: 40px; object-fit: contain; display: block; }
.brand-name { font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: 0.06em; line-height: 1; }
.brand-tag {
    font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--text-tertiary); margin-top: 3px;
}

.headline {
    font-family: var(--display);
    font-weight: 800;
    text-transform: uppercase;
    font-size: clamp(56px, 6.6vw, 104px);
    line-height: 0.88;
    letter-spacing: 0.01em;
}
.headline em { font-style: normal; color: var(--color-cyan-500); }
.lede { max-width: 42ch; margin-top: 20px; font-size: 15px; line-height: 1.6; color: var(--text-secondary); }

.manifest-foot { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 40px; margin-top: auto; }

/* Account flow: register → verify → approval */
.steps { list-style: none; flex: 1 1 240px; max-width: 300px; }
.steps li { position: relative; display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding-bottom: 20px; }
.steps li:not(:last-child)::before {
    content: ''; position: absolute; left: 15.5px; top: 34px; bottom: 2px;
    width: 1px; background: var(--border-default);
}
.step-no {
    width: 32px; height: 32px; border-radius: 50%;
    display: grid; place-items: center;
    font-family: var(--mono); font-size: 11px; color: var(--text-tertiary);
    background: var(--surface-body); border: 1px solid var(--border-strong);
}
.step-no svg { width: 14px; height: 14px; }
.steps li[aria-current] .step-no {
    color: var(--color-cyan-500); border-color: var(--color-cyan-500);
    box-shadow: 0 0 0 4px var(--color-cyan-glow);
}
.steps li.is-done .step-no { color: var(--color-success); border-color: var(--color-success); }
.steps li.is-done:not(:last-child)::before { background: var(--color-success); opacity: 0.5; }
.step-title { font-size: 14px; font-weight: 600; padding-top: 6px; }
.step-desc { font-size: 13px; line-height: 1.5; color: var(--text-tertiary); margin-top: 2px; }

/* Site pass card */
.pass {
    width: 300px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    transform: rotate(-2.5deg);
    animation: pass-in 900ms cubic-bezier(0.2, 0.8, 0.2, 1) 450ms both;
}
@keyframes pass-in { from { opacity: 0; transform: translateY(28px) rotate(-9deg); } }
.pass-stripe { height: 10px; background: var(--hazard); opacity: 0.85; }
.pass-body { display: grid; grid-template-columns: 64px 1fr; gap: 14px; padding: 16px 18px; }
.pass-photo {
    width: 64px; height: 80px; border-radius: 8px;
    display: grid; place-items: center;
    font-family: var(--display); font-weight: 800; font-size: 28px; color: var(--color-cyan-500);
    background: var(--surface-input); border: 1px dashed var(--border-strong);
}
.pass-label { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-tertiary); }
.pass-name {
    font-family: var(--display); font-weight: 800; font-size: 24px; line-height: 1.05;
    text-transform: uppercase; margin: 2px 0 10px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pass-role { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.pass-foot {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 18px; border-top: 1px dashed var(--border-default);
}
.pass-status {
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--color-warning); padding: 3px 8px; border: 1px solid currentColor; border-radius: 4px;
}
.pass-barcode {
    width: 84px; height: 20px; opacity: 0.55;
    background: repeating-linear-gradient(90deg,
        var(--text-primary) 0 2px, transparent 2px 4px,
        var(--text-primary) 4px 5px, transparent 5px 8px,
        var(--text-primary) 8px 11px, transparent 11px 13px);
}

/* ── Right: form ── */
.panel { display: flex; align-items: center; justify-content: center; padding: 48px 56px; }
.form-wrap { width: 100%; max-width: 460px; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--color-cyan-500);
}
.eyebrow::before { content: ''; width: 18px; height: 8px; background: var(--hazard); }
.form-title {
    font-family: var(--display); font-weight: 800; text-transform: uppercase;
    font-size: 44px; line-height: 0.95; letter-spacing: 0.01em; margin-top: 12px;
}
.form-intro { font-size: 14px; line-height: 1.55; color: var(--text-secondary); margin: 10px 0 28px; }

.field { margin-bottom: 14px; }
.field-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.field-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.field-head .field-label { margin-bottom: 6px; }
.field-head a {
    font-size: 12px; font-weight: 600; color: var(--color-cyan-500); text-decoration: none; white-space: nowrap;
}
.field-head a:hover { text-decoration: underline; text-underline-offset: 3px; }
.field-head a:focus-visible { outline: 2px solid var(--color-cyan-500); outline-offset: 3px; border-radius: 2px; }

.control { position: relative; }
.control .icon {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    display: flex; color: var(--text-tertiary); pointer-events: none;
}
.control svg { width: 16px; height: 16px; }

.input {
    width: 100%; height: 46px; padding: 0 14px 0 42px;
    background: var(--surface-input);
    border: 1px solid var(--border-default);
    border-radius: 10px;
    color: var(--text-primary);
    font: inherit; font-size: 15px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input::placeholder { color: var(--text-tertiary); }
.input:hover { border-color: var(--border-strong); }
.input:focus-visible { outline: none; border-color: var(--color-cyan-500); box-shadow: var(--focus-ring); }
.input[aria-invalid="true"] { border-color: var(--color-danger); }
.control:focus-within .icon { color: var(--color-cyan-500); }

.has-toggle .input { padding-right: 46px; }
.toggle {
    position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
    width: 34px; height: 34px; display: grid; place-items: center;
    background: none; border: 0; border-radius: 8px;
    color: var(--text-tertiary); cursor: pointer;
}
.toggle:hover { color: var(--text-primary); background: var(--surface-card-hover); }
.toggle:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.hint, .error { font-size: 12px; line-height: 1.45; margin-top: 6px; }
.hint { color: var(--text-tertiary); }
.error { color: var(--error-text); }

.submit {
    width: 100%; height: 52px; margin-top: 6px; padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between;
    background: var(--color-cyan-500); color: var(--text-inverse);
    border: 0; border-radius: 10px; cursor: pointer; text-decoration: none;
    font-family: var(--display); font-weight: 800; font-size: 21px; letter-spacing: 0.06em; text-transform: uppercase;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
}
.submit svg { width: 20px; height: 20px; transition: transform var(--transition-base); }
.submit:hover { transform: translateY(-1px); box-shadow: 0 12px 30px var(--color-cyan-glow-strong); }
.submit:hover svg { transform: translateX(4px); }
.submit:active { transform: none; }
.submit:focus-visible { outline: 2px solid var(--color-cyan-500); outline-offset: 3px; }
.submit:disabled { cursor: progress; opacity: 0.75; transform: none; box-shadow: none; }

.spinner {
    display: none; width: 18px; height: 18px; border-radius: 50%;
    border: 2px solid currentColor; border-right-color: transparent;
    animation: spin 650ms linear infinite;
}
.submit.is-loading .spinner { display: block; }
.submit.is-loading .submit-arrow { display: none; }

.btn-ghost {
    width: 100%; height: 46px; margin-top: 10px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--border-default); border-radius: 10px; cursor: pointer;
    font: inherit; font-size: 14px; font-weight: 500;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}
.btn-ghost svg { width: 16px; height: 16px; }
.btn-ghost:hover { border-color: var(--color-cyan-500); color: var(--color-cyan-500); }
.btn-ghost:focus-visible { outline: none; box-shadow: var(--focus-ring); border-color: var(--color-cyan-500); }

.alert {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 12px 14px; margin-bottom: 20px; border-radius: 10px;
    font-size: 13px; line-height: 1.45;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; }
.alert-error { color: var(--error-text); background: var(--color-danger-bg); border: 1px solid var(--color-danger); }
.alert-success { color: var(--ok-text); background: var(--color-success-bg); border: 1px solid var(--color-success); }

.legal { margin-top: 18px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--text-tertiary); }

.alt {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border-subtle);
    font-size: 13px; color: var(--text-tertiary);
}
.alt a { color: var(--color-cyan-500); font-weight: 600; text-decoration: none; }
.alt a:hover { text-decoration: underline; text-underline-offset: 3px; }
.alt a:focus-visible { outline: 2px solid var(--color-cyan-500); outline-offset: 3px; border-radius: 2px; }

/* ── Motion ── */
.rise { animation: rise 700ms cubic-bezier(0.2, 0.7, 0.2, 1) both; animation-delay: calc(var(--i, 0) * 80ms); }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ── Responsive ── */
@media (max-width: 960px) {
    .shell { grid-template-columns: 1fr; }
    .manifest { gap: 28px; padding: 28px 20px 32px; border-right: 0; border-bottom: 1px solid var(--border-subtle); }
    .watermark, .pass { display: none; }
    .headline { font-size: clamp(44px, 12vw, 72px); }
    .steps { max-width: none; }
    .panel { padding: 32px 20px 48px; }
}
@media (max-width: 520px) {
    .form-title { font-size: 38px; }
    .alt { flex-direction: column; align-items: flex-start; }
}