/* Login / registration page. Builds on site.css (tokens, nav, buttons, spec box). */

.auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: calc(100vh - 69px); }

.auth__aside {
    background: var(--ink);
    color: var(--paper);
    padding: 72px max(24px, calc((100vw - var(--wide)) / 2 + 24px));
    padding-right: 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 32px;
}
.auth__aside .eyebrow { color: #9aa0ad; margin: 0; }
.auth__aside .eyebrow::before { background: var(--accent-2); }
.auth__title { font-size: clamp(32px, 3.6vw, 48px); letter-spacing: -.035em; line-height: 1.05; max-width: 520px; }
.auth__spec { background: transparent; border-color: #3a3f4a; color: var(--paper); max-width: 520px; }
.auth__spec .spec__title { border-color: #3a3f4a; color: #9aa0ad; }
.auth__spec .spec__row { border-color: #262a33; }
.auth__spec .spec__row { grid-template-columns: 36px minmax(0, 1fr); }
.auth__spec .spec__key { color: var(--accent-2); }
.auth__note { margin: 0; color: #9aa0ad; font-size: 14.5px; max-width: 520px; }

.auth__main { display: flex; align-items: center; justify-content: center; padding: 64px 24px; background: var(--paper-2); }
.auth__card { width: 100%; max-width: 440px; background: var(--paper); border: 1.5px solid var(--ink); padding: 32px; }

.auth__tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1.5px solid var(--ink); margin: -32px -32px 28px; }
.tab-btn {
    font: 600 15px var(--font-body);
    padding: 16px;
    background: var(--paper-2);
    color: var(--ink-3);
    border: 0;
    cursor: pointer;
}
.tab-btn + .tab-btn { border-left: 1.5px solid var(--ink); }
.tab-btn.active { background: var(--paper); color: var(--ink); box-shadow: inset 0 -3px 0 var(--accent); }

.auth__submit { width: 100%; margin-top: 8px; }

/* ---- form controls (shared with the panel) ---- */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group label { font: 500 12px var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.form-hint { font-size: 13px; color: var(--ink-3); }

input[type="text"], input[type="email"], input[type="password"], select, textarea {
    width: 100%;
    font: 400 15.5px var(--font-body);
    padding: 12px 14px;
    background: var(--paper);
    color: var(--ink);
    border: 1px solid #c9ccd4;
    border-radius: 0;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); box-shadow: 0 0 0 3px var(--accent-soft); }
input::placeholder { color: #9aa0ad; }

.form-check { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; margin: 4px 0 20px; font-size: 14px; color: var(--ink-2); line-height: 1.5; }
.form-check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--ink); }
.form-check a { color: var(--ink); text-underline-offset: 3px; }

.segmented { display: grid; grid-template-columns: 1fr 1fr; border: 1.5px solid var(--ink); }
.segmented button { font: 600 14px var(--font-body); padding: 11px; background: var(--paper); color: var(--ink-3); border: 0; cursor: pointer; }
.segmented button + button { border-left: 1.5px solid var(--ink); }
.segmented button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.error-msg, .success-msg { margin-top: 20px; padding: 12px 14px; font-size: 14px; border: 1.5px solid; }
.error-msg { color: var(--pii-ink); background: var(--pii); border-color: var(--pii-ink); }
.success-msg { color: #136c43; background: #e3f5ec; border-color: #19a463; }

@media (max-width: 900px) {
    .auth { grid-template-columns: minmax(0, 1fr); min-height: 0; }
    .auth__main { order: -1; padding: 40px 16px; }
    .auth__aside { padding: 56px 24px; }
}

@media (max-width: 640px) {
    .auth__card { padding: 24px 20px; }
    .auth__tabs { margin: -24px -20px 24px; }
    .auth__aside { padding: 48px 16px; }
    .nav__actions .button { display: none; }
}