/* ============================================================
   实验数据资产化治理平台 · 认证页面样式
   ============================================================ */
:root {
    --ink: #0A1120;
    --ink-2: #111B2F;
    --teal: #0FB8A6;
    --teal-bright: #2BE0C8;
    --violet: #6C5CE7;
    --violet-soft: #8C7DFF;
    --amber: #F5B84B;
    --text: #16203A;
    --muted: #6B7793;
    --line: #E4E9F2;
    --panel: #FFFFFF;
    --bg: #F3F5FA;
    --radius: 18px;
    --shadow-lg: 0 30px 80px rgba(9, 17, 33, .22);
    --shadow-sm: 0 10px 30px rgba(16, 28, 48, .08);
    --font: "Inter", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body.auth-body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background:
        radial-gradient(900px 520px at 8% 6%, rgba(15, 184, 166, .10), transparent 62%),
        radial-gradient(760px 520px at 92% 90%, rgba(108, 92, 231, .10), transparent 60%),
        var(--bg);
    -webkit-font-smoothing: antialiased;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.06fr .94fr;
    padding: 18px;
    gap: 18px;
}

/* ---------------- 左侧视觉区 ---------------- */
.auth-visual {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background:
        radial-gradient(720px 480px at 18% 8%, rgba(43, 224, 200, .20), transparent 62%),
        radial-gradient(700px 560px at 88% 88%, rgba(108, 92, 231, .30), transparent 62%),
        linear-gradient(150deg, #0A1120 0%, #0E1830 46%, #131F3B 100%);
    color: #EAF0FF;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 46px 30px;
    isolation: isolate;
}
.visual-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at 30% 20%, #000 20%, transparent 78%);
    z-index: -1;
}
.halo {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .55;
    z-index: -1;
    animation: float 16s ease-in-out infinite;
}
.halo-a { width: 380px; height: 380px; left: -90px; top: 12%; background: rgba(43, 224, 200, .32); }
.halo-b { width: 440px; height: 440px; right: -130px; bottom: -60px; background: rgba(108, 92, 231, .38); animation-delay: -6s; }
.halo-c { width: 260px; height: 260px; right: 18%; top: 6%; background: rgba(245, 184, 75, .16); animation-delay: -11s; }
@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(14px, -26px, 0) scale(1.07); }
}

.orbit {
    position: absolute;
    border: 1px solid rgba(140, 160, 210, .20);
    border-radius: 50%;
    z-index: -1;
}
.orbit-a { width: 520px; height: 520px; right: -180px; top: -120px; animation: spin 46s linear infinite; }
.orbit-b { width: 720px; height: 720px; right: -280px; top: -220px; animation: spin 76s linear infinite reverse; }
.orbit span {
    position: absolute;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--teal-bright);
    box-shadow: 0 0 18px rgba(43, 224, 200, .9);
    top: 12%; left: 22%;
}
.orbit-b span { background: var(--violet-soft); box-shadow: 0 0 18px rgba(140, 125, 255, .9); top: auto; bottom: 16%; left: 8%; }
@keyframes spin { to { transform: rotate(360deg); } }

.visual-brand { display: flex; align-items: center; gap: 14px; }
.visual-brand .brand-mark { display: inline-flex; }
.visual-brand strong { display: block; font-size: 16px; letter-spacing: .04em; }
.visual-brand em {
    display: block;
    font-style: normal;
    font-size: 10px;
    letter-spacing: .26em;
    color: rgba(200, 216, 245, .55);
    margin-top: 3px;
}

.visual-copy { max-width: 560px; margin: 26px 0; }
.eyebrow {
    margin: 0 0 14px;
    font-size: 11px;
    letter-spacing: .3em;
    font-weight: 600;
    color: var(--teal-bright);
    text-transform: uppercase;
}
.visual-copy h1 {
    margin: 0;
    font-size: clamp(28px, 2.7vw, 42px);
    line-height: 1.28;
    letter-spacing: -.02em;
    font-weight: 700;
}
.visual-copy h1 span {
    background: linear-gradient(96deg, #2BE0C8 0%, #8C7DFF 62%, #F5B84B 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.visual-copy .lead {
    margin: 20px 0 0;
    font-size: 14px;
    line-height: 1.9;
    color: rgba(206, 219, 243, .72);
    max-width: 480px;
}
.visual-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}
.visual-points div {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid rgba(140, 168, 220, .22);
    background: rgba(15, 26, 46, .55);
    backdrop-filter: blur(8px);
    font-size: 12.5px;
    color: rgba(221, 232, 252, .86);
}
.visual-points i { color: var(--teal-bright); font-size: 13px; }

.visual-steps { margin-top: 30px; display: grid; gap: 14px; }
.visual-steps div { display: flex; align-items: center; gap: 14px; }
.visual-steps b {
    font-size: 12px;
    letter-spacing: .1em;
    color: var(--teal-bright);
    border: 1px solid rgba(43, 224, 200, .38);
    border-radius: 9px;
    padding: 5px 9px;
}
.visual-steps span { font-size: 13px; color: rgba(206, 219, 243, .74); }

.visual-foot {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11.5px;
    color: rgba(180, 198, 230, .5);
    letter-spacing: .02em;
}
.dot-sep { width: 3px; height: 3px; border-radius: 50%; background: rgba(180, 198, 230, .5); }

/* ---------------- 右侧表单区 ---------------- */
.auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 22px;
    border-radius: 26px;
    background:
        radial-gradient(600px 300px at 80% 0%, rgba(15, 184, 166, .05), transparent 60%),
        var(--panel);
    box-shadow: var(--shadow-sm);
    position: relative;
}
.panel-inner { width: 100%; max-width: 396px; }
.panel-wide { max-width: 560px; }

.panel-head { margin-bottom: 30px; }
.panel-head h2 {
    margin: 0 0 8px;
    font-size: 27px;
    letter-spacing: -.02em;
}
.panel-head .muted, .muted { color: var(--muted); }
.panel-head p { margin: 0; font-size: 13px; }
.panel-head .eyebrow { color: var(--teal); margin-bottom: 10px; }

.auth-form { display: grid; gap: 17px; }
.field { display: grid; gap: 8px; }
.field > span:first-child {
    font-size: 12.5px;
    font-weight: 600;
    color: #36415C;
    letter-spacing: .01em;
}
.input-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
    height: 48px;
    border-radius: 13px;
    border: 1px solid var(--line);
    background: #FBFCFE;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.input-wrap i { color: #8B96AC; font-size: 15px; flex: none; }
.input-wrap input, .input-wrap select {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    height: 100%;
    appearance: none;
}
.input-wrap select { cursor: pointer; color: var(--text); }
.input-wrap input::placeholder { color: #A6B0C3; }
.input-wrap:focus-within {
    border-color: rgba(15, 184, 166, .65);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(15, 184, 166, .10);
}
.peek {
    border: 0;
    background: transparent;
    color: #97A2B6;
    cursor: pointer;
    padding: 4px;
    font-size: 15px;
    line-height: 1;
}
.peek:hover { color: var(--teal); }

.form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: -3px;
}
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: #4E5B75; cursor: pointer; }
.check input {
    width: 15px; height: 15px;
    accent-color: var(--teal);
    border-radius: 4px;
}
.small { font-size: 11.5px; }
.agree { line-height: 1.6; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 50px;
    border: 0;
    border-radius: 13px;
    background: linear-gradient(96deg, #0FB8A6 0%, #12A8C9 48%, #6C5CE7 100%);
    color: #fff;
    font-family: inherit;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: .06em;
    cursor: pointer;
    box-shadow: 0 14px 30px rgba(15, 184, 166, .28);
    transition: transform .18s, box-shadow .18s, filter .18s;
    text-decoration: none;
    padding: 0 22px;
}
.btn-primary i { font-size: 19px; transition: transform .18s; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 18px 38px rgba(15, 184, 166, .34); filter: saturate(1.08); }
.btn-primary:hover i { transform: translateX(3px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary[disabled] { opacity: .7; cursor: not-allowed; transform: none; }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    height: 50px;
    padding: 0 22px;
    border-radius: 13px;
    border: 1px solid var(--line);
    color: #36415C;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    background: #fff;
}
.btn-ghost:hover { border-color: rgba(15, 184, 166, .5); color: var(--teal); }

.form-error {
    margin: -4px 0 0;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(242, 109, 109, .09);
    border: 1px solid rgba(242, 109, 109, .24);
    color: #C4453F;
    font-size: 12.5px;
    line-height: 1.5;
}
.form-error[hidden] { display: none; }

.panel-foot {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
}
.panel-foot a {
    color: var(--teal);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}
.panel-foot a:hover { color: #0A9C8D; }

.compliance {
    margin-top: 22px;
    display: flex;
    gap: 9px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 12px;
    background: #F7F9FD;
    border: 1px solid #EDF1F8;
    color: #73809A;
    font-size: 11.5px;
    line-height: 1.65;
}
.compliance i { color: var(--teal); font-size: 14px; margin-top: 1px; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ---------------- 404 ---------------- */
.notfound {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
}
.nf-code {
    font-size: clamp(80px, 14vw, 160px);
    font-weight: 800;
    letter-spacing: -.06em;
    line-height: 1;
    background: linear-gradient(110deg, #0FB8A6, #6C5CE7 60%, #F5B84B);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.notfound h1 { margin: 20px 0 10px; font-size: 24px; }
.notfound p { margin: 0 0 26px; color: var(--muted); font-size: 13.5px; }
.nf-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
    .auth-shell { grid-template-columns: 1fr; padding: 14px; }
    .auth-visual { min-height: 340px; padding: 30px; }
    .visual-copy h1 { font-size: 30px; }
    .visual-copy .lead { font-size: 13px; }
    .visual-points, .visual-steps { display: none; }
    .visual-foot { margin-top: 20px; }
}
@media (max-width: 640px) {
    .auth-shell { padding: 0; gap: 0; }
    .auth-visual, .auth-panel { border-radius: 0; }
    .auth-visual { min-height: 260px; padding: 24px; }
    .visual-copy h1 { font-size: 24px; }
    .auth-panel { padding: 26px 20px 40px; align-items: flex-start; }
    .grid-2 { grid-template-columns: 1fr; }
    .panel-head h2 { font-size: 23px; }
    .panel-head { margin-bottom: 22px; }
}