/* ==========================================================================
   SEMAI auth pages: sign in, sign up, forgot / reset password, accept invite.
   Layout: components/login/base.html (form column + brand column). Lean on purpose:
   only this file, the UI kit tokens (semai-ui.css), Inter and Bootstrap Icons load here.
   Behaviour: static/modules/auth.js.
   ========================================================================== */

.au-body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--sem-ui-gray-900);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}
.au-body *, .au-body *::before, .au-body *::after { box-sizing: border-box; }
.au-body a { color: inherit; }

.au-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); min-height: 100vh; }

/* ---------- form column ---------- */
.au-main {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 28px 48px 24px;
    background:
        radial-gradient(600px 300px at 0% 0%, rgba(158, 119, 237, .07), transparent 70%),
        #fff;
}
.au-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.au-logo img { height: 32px; width: auto; display: block; }
.au-top-link { font-size: 14px; color: var(--sem-ui-gray-500); }
.au-top-link a { color: var(--sem-ui-brand-700); font-weight: 600; text-decoration: none; }
.au-top-link a:hover { text-decoration: underline; }
.au-center { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; padding: 40px 0; }
.au-card { width: 100%; max-width: 420px; animation: au-rise .45s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes au-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.au-foot { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12.5px; color: var(--sem-ui-gray-400); }
.au-foot a { text-decoration: none; }
.au-foot a:hover { color: var(--sem-ui-gray-700); }

.au-head { margin-bottom: 26px; }
.au-head-center { text-align: center; }
.au-title { font-size: 30px; line-height: 1.2; font-weight: 750; letter-spacing: -.02em; margin: 0 0 8px; color: var(--sem-ui-gray-900); }
.au-sub { font-size: 15px; line-height: 1.6; color: var(--sem-ui-gray-600); margin: 0; }
.au-sub b { color: var(--sem-ui-gray-900); font-weight: 600; overflow-wrap: anywhere; }
.au-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 14px; margin-bottom: 18px;
    font-size: 22px; color: var(--sem-ui-brand-700); background: var(--sem-ui-brand-100);
    box-shadow: 0 0 0 8px var(--sem-ui-brand-50);
}
.au-icon-lg { width: 60px; height: 60px; border-radius: 50%; font-size: 26px; }
.au-icon.is-success { color: var(--sem-ui-success-700); background: #DCFAE6; box-shadow: 0 0 0 8px var(--sem-ui-success-50); }
.au-icon.is-warning { color: var(--sem-ui-warning-700); background: #FEF0C7; box-shadow: 0 0 0 8px var(--sem-ui-warning-50); }
.au-icon.is-danger { color: var(--sem-ui-danger-700); background: #FEE4E2; box-shadow: 0 0 0 8px var(--sem-ui-danger-50); }

/* ---------- Google + divider ---------- */
.au-google { display: flex; justify-content: center; min-height: 44px; }
.au-gsi { width: 100%; display: flex; justify-content: center; }
.au-or { display: flex; align-items: center; gap: 12px; margin: 22px 0; color: var(--sem-ui-gray-400); font-size: 12.5px; font-weight: 500; }
.au-or::before, .au-or::after { content: ""; flex: 1 1 auto; height: 1px; background: var(--sem-ui-gray-200); }

/* ---------- fields ---------- */
.au-form { display: flex; flex-direction: column; gap: 16px; }
.au-field label, .au-label-row label { display: block; font-size: 13.5px; font-weight: 600; color: var(--sem-ui-gray-700); margin: 0 0 6px; }
.au-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.au-input { position: relative; display: flex; align-items: center; }
.au-input > i:first-child { position: absolute; left: 14px; color: var(--sem-ui-gray-400); font-size: 16px; pointer-events: none; transition: color .15s; }
.au-input input {
    width: 100%; height: 48px; padding: 0 44px 0 42px;
    font: inherit; font-size: 15px; color: var(--sem-ui-gray-900);
    background: #fff; border: 1px solid var(--sem-ui-gray-300); border-radius: 12px;
    box-shadow: var(--sem-ui-shadow-xs); transition: border-color .15s, box-shadow .15s;
}
.au-input input::placeholder { color: var(--sem-ui-gray-400); }
.au-input input:hover { border-color: var(--sem-ui-gray-400); }
.au-input input:focus { outline: none; border-color: var(--sem-ui-brand-500); box-shadow: var(--sem-ui-ring); }
.au-input:focus-within > i:first-child { color: var(--sem-ui-brand-600); }
.au-input.is-readonly input { background: var(--sem-ui-gray-50); color: var(--sem-ui-gray-600); }
.au-input-end { position: absolute; right: 14px; color: var(--sem-ui-gray-400); font-size: 14px; }
.au-field.is-invalid .au-input input { border-color: var(--sem-ui-danger-500); box-shadow: 0 0 0 4px rgba(240, 68, 56, .12); }
.au-eye {
    position: absolute; right: 6px; width: 36px; height: 36px; border: 0; border-radius: 9px;
    background: transparent; color: var(--sem-ui-gray-500); cursor: pointer; font-size: 16px;
}
.au-eye:hover { background: var(--sem-ui-gray-100); color: var(--sem-ui-gray-800); }
.au-eye:focus-visible { outline: none; box-shadow: var(--sem-ui-ring); }
.au-field-msg { display: flex; align-items: center; gap: 6px; margin: 7px 0 0; font-size: 12.5px; color: var(--sem-ui-danger-700); }
.au-field-msg[hidden] { display: none; }

.au-strength { margin-top: 10px; }
.au-meter { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.au-meter span { height: 4px; border-radius: 999px; background: var(--sem-ui-gray-200); transition: background .2s; }
.au-strength[data-score="1"] .au-meter span:nth-child(-n+1) { background: var(--sem-ui-danger-500); }
.au-strength[data-score="2"] .au-meter span:nth-child(-n+2) { background: var(--sem-ui-warning-500); }
.au-strength[data-score="3"] .au-meter span:nth-child(-n+3) { background: var(--sem-ui-success-500); }
.au-strength[data-score="4"] .au-meter span { background: var(--sem-ui-success-500); }
.au-rules { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 0; margin: 8px 0 0; font-size: 12.5px; color: var(--sem-ui-gray-500); }
.au-rules li { display: inline-flex; align-items: center; gap: 5px; transition: color .15s; }
.au-rules li.ok { color: var(--sem-ui-success-700); }

.au-check { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; line-height: 1.5; color: var(--sem-ui-gray-600); cursor: pointer; }
.au-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--sem-ui-brand-600); flex: 0 0 18px; cursor: pointer; }
.au-check.is-invalid { color: var(--sem-ui-danger-700); }

/* ---------- buttons, links, alerts ---------- */
.au-btn {
    position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; height: 48px; margin-top: 4px; padding: 0 20px;
    font: inherit; font-size: 15px; font-weight: 650; color: #fff; text-decoration: none;
    background: var(--sem-ui-gradient-brand); border: 0; border-radius: 12px; cursor: pointer;
    box-shadow: var(--sem-ui-shadow-brand), inset 0 1px 0 rgba(255, 255, 255, .18);
    transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.au-btn:hover { transform: translateY(-1px); filter: brightness(1.05); color: #fff; }
.au-btn:active { transform: none; }
.au-btn:focus-visible { outline: none; box-shadow: var(--sem-ui-shadow-brand), 0 0 0 4px rgba(127, 86, 217, .3); }
.au-btn-block { margin-top: 8px; }
.au-btn-spin { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .45); border-top-color: #fff; animation: au-spin .7s linear infinite; }
.au-btn.is-loading { pointer-events: none; filter: saturate(.85); }
.au-btn.is-loading .au-btn-spin { display: inline-block; }
@keyframes au-spin { to { transform: rotate(360deg); } }

.au-link { color: var(--sem-ui-brand-700); font-weight: 600; text-decoration: none; }
.au-link:hover { color: var(--sem-ui-brand-800); text-decoration: underline; }
.au-small { font-size: 13px; }
.au-switch { margin: 24px 0 0; text-align: center; font-size: 14px; color: var(--sem-ui-gray-500); }
.au-legal { margin: 16px 0 0; text-align: center; font-size: 12.5px; color: var(--sem-ui-gray-500); }
.au-hint { margin: -6px 0 18px; font-size: 14px; }

.au-alert {
    display: flex; gap: 10px; align-items: flex-start; margin-bottom: 20px; padding: 12px 14px;
    border-radius: 12px; font-size: 14px; line-height: 1.5; border: 1px solid;
    animation: au-rise .3s ease both;
}
.au-alert > i { font-size: 16px; margin-top: 1px; flex: 0 0 auto; }
.au-alert.is-error { background: var(--sem-ui-danger-50); border-color: var(--sem-ui-danger-200); color: var(--sem-ui-danger-700); }
.au-alert.is-success { background: var(--sem-ui-success-50); border-color: var(--sem-ui-success-200); color: var(--sem-ui-success-700); }
.au-alert.is-info { background: var(--sem-ui-brand-50); border-color: var(--sem-ui-brand-200); color: var(--sem-ui-brand-800); }

.au-tips { list-style: none; padding: 16px; margin: 0 0 22px; border: 1px solid var(--sem-ui-gray-200); border-radius: 14px; background: var(--sem-ui-gray-50); display: grid; gap: 10px; }
.au-tips li { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.5; color: var(--sem-ui-gray-600); }
.au-tips i { color: var(--sem-ui-brand-600); font-size: 16px; }

/* ---------- brand column ---------- */
.au-brand {
    position: sticky; top: 0; height: 100vh; overflow: hidden;
    display: flex; align-items: center; justify-content: center; padding: 48px 56px;
    color: #fff; background: #1B1037;
}
.au-brand-bg {
    position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(520px 420px at 85% 10%, rgba(139, 92, 246, .55), transparent 70%),
        radial-gradient(480px 380px at 10% 95%, rgba(46, 144, 250, .32), transparent 70%),
        radial-gradient(380px 300px at 40% 45%, rgba(105, 65, 198, .4), transparent 70%),
        linear-gradient(160deg, #1B1037 0%, #2A1659 55%, #1A0F3A 100%);
}
.au-brand-bg::after {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 75%);
}
.au-brand-inner { position: relative; width: 100%; max-width: 540px; }
.au-brand-pill {
    display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px;
    font-size: 12.5px; font-weight: 600; letter-spacing: .01em;
    background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); color: #E9D7FE;
}
.au-brand-title { font-size: 44px; line-height: 1.08; font-weight: 800; letter-spacing: -.03em; margin: 18px 0 14px; color: #fff; }
.au-brand-sub { font-size: 16px; line-height: 1.65; color: rgba(255, 255, 255, .74); margin: 0 0 32px; max-width: 500px; }

.au-preview {
    position: relative; padding: 20px 22px 40px; border-radius: 20px;
    background: rgba(255, 255, 255, .97); color: var(--sem-ui-gray-900);
    box-shadow: 0 30px 60px -20px rgba(9, 4, 30, .6), 0 0 0 1px rgba(255, 255, 255, .5);
    animation: au-rise .6s .1s cubic-bezier(.2, .7, .2, 1) both;
}
.au-preview-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.au-preview-label { margin: 0; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--sem-ui-gray-500); display: flex; align-items: center; gap: 8px; }
.au-example { font-size: 10px; letter-spacing: .04em; color: var(--sem-ui-brand-700); background: var(--sem-ui-brand-50); border: 1px solid var(--sem-ui-brand-200); border-radius: 999px; padding: 1px 7px; }
.au-preview-domain { margin: 6px 0 0; display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 650; }
.au-dot-logo { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 7px; background: var(--sem-ui-gradient-brand); color: #fff; font-size: 12px; font-weight: 800; }
.au-kpi { text-align: right; }
.au-kpi-value { display: block; font-size: 34px; line-height: 1; font-weight: 800; letter-spacing: -.02em; }
.au-kpi-value small { font-size: 18px; color: var(--sem-ui-gray-500); font-weight: 700; }
.au-kpi-delta { display: inline-flex; align-items: center; gap: 3px; margin-top: 6px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; color: var(--sem-ui-success-700); background: var(--sem-ui-success-50); }
.au-spark { display: block; width: 100%; height: 54px; margin: 10px 0 6px; }
.au-spark-line { stroke-dasharray: 600; stroke-dashoffset: 600; animation: au-draw 1.4s .4s ease-out forwards; }
@keyframes au-draw { to { stroke-dashoffset: 0; } }
.au-engines { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.au-engines li { display: grid; grid-template-columns: 24px 82px minmax(0, 1fr) 40px; align-items: center; gap: 10px; font-size: 13px; }
.au-engines b { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.au-mark { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 7px; border: 1px solid var(--sem-ui-gray-200); background: #fff; font-size: 13px; }
.au-mark img { width: 15px; height: 15px; }
.au-eng-name { color: var(--sem-ui-gray-700); font-weight: 500; }
.au-bar { height: 8px; border-radius: 999px; background: var(--sem-ui-gray-100); overflow: hidden; }
.au-bar span { display: block; height: 100%; width: var(--w); border-radius: 999px; background: var(--c); transform-origin: left; animation: au-grow 1s .5s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes au-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.au-float {
    position: absolute; right: 22px; bottom: -22px; display: inline-flex; align-items: center; gap: 8px; max-width: 320px;
    padding: 9px 13px; border-radius: 12px; font-size: 12.5px; line-height: 1.35; color: var(--sem-ui-gray-700);
    background: #fff; box-shadow: 0 14px 30px -10px rgba(9, 4, 30, .45); border: 1px solid var(--sem-ui-gray-100);
    animation: au-float 6s ease-in-out infinite;
}
.au-float b { color: var(--sem-ui-gray-900); font-weight: 650; }
.au-float i { font-size: 15px; color: var(--sem-ui-success-500); flex: 0 0 auto; }
@keyframes au-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

.au-points { list-style: none; padding: 0; margin: 52px 0 0; display: grid; gap: 14px; }
.au-points li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: rgba(255, 255, 255, .78); }
.au-points b { color: #fff; font-weight: 650; }
.au-points i {
    display: inline-flex; align-items: center; justify-content: center; flex: 0 0 34px; width: 34px; height: 34px;
    border-radius: 10px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); color: #D6BBFB; font-size: 15px;
}

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
    .au-brand { padding: 40px; }
    .au-brand-title { font-size: 38px; }
}
@media (max-width: 1080px) {
    .au-shell { grid-template-columns: minmax(0, 1fr); }
    .au-brand { display: none; }
    .au-main { padding: 22px 24px 20px; }
}
@media (max-width: 520px) {
    .au-main { padding: 18px 16px; }
    .au-top-link { font-size: 13px; }
    .au-center { padding: 28px 0; align-items: flex-start; }
    .au-title { font-size: 26px; }
    .au-logo img { height: 28px; }
}
@media (prefers-reduced-motion: reduce) {
    .au-card, .au-preview, .au-alert, .au-float, .au-bar span, .au-spark-line { animation: none !important; stroke-dashoffset: 0; }
}