:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(14, 28, 46, 0.78);
  --panel-solid: #0d1b2d;
  --line: rgba(148, 180, 207, 0.16);
  --line-bright: rgba(110, 231, 242, 0.35);
  --text: #edf8ff;
  --muted: #8fa8ba;
  --cyan: #6ee7f2;
  --cyan-soft: #a7f3f7;
  --green: #68e4ad;
  --red: #ff8b93;
  --yellow: #f8d477;
  --radius: 1.25rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK", "Noto Sans TC", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 20rem; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 72% 20%, rgba(15, 102, 130, .18), transparent 32rem), var(--bg);
  background-size: 3rem 3rem, 3rem 3rem, auto, auto;
  overflow-x: hidden;
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 3px;
}
.ambient { position: fixed; width: 28rem; height: 28rem; border-radius: 50%; filter: blur(7rem); opacity: .12; pointer-events: none; }
.ambient-one { background: #1ad6e9; top: -18rem; right: -5rem; }
.ambient-two { background: #335cff; bottom: -22rem; left: -12rem; }
.site-header {
  width: min(92rem, calc(100% - 3rem)); margin: 0 auto; height: 6.25rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--line); position: relative; z-index: 2;
}
.brand { color: inherit; text-decoration: none; display: flex; align-items: center; gap: .8rem; }
.brand-mark { width: 2.25rem; height: 2.25rem; border: 1px solid var(--line-bright); border-radius: .65rem; display: flex; align-items: end; justify-content: center; gap: 3px; padding: .48rem; background: rgba(110,231,242,.06); }
.brand-mark i { display: block; width: 3px; background: var(--cyan); border-radius: 3px; }
.brand-mark i:nth-child(1) { height: 35%; }.brand-mark i:nth-child(2) { height: 85%; }.brand-mark i:nth-child(3) { height: 58%; }
.brand strong { display: block; font-size: .9rem; letter-spacing: .18em; }
.brand small { display: block; margin-top: .16rem; color: var(--muted); font-size: .62rem; letter-spacing: .13em; }
.security-note { color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; display: flex; align-items: center; gap: .55rem; }
.security-note span { width: .48rem; height: .48rem; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 .28rem rgba(104,228,173,.09), 0 0 1rem rgba(104,228,173,.55); }
main { width: min(92rem, calc(100% - 3rem)); margin: 0 auto; position: relative; z-index: 1; }
.login-layout { min-height: calc(100vh - 6.25rem); display: grid; grid-template-columns: 1.35fr minmax(20rem, .65fr); align-items: center; gap: clamp(3rem, 8vw, 9rem); padding: 4rem 4vw 6rem; }
.eyebrow { margin: 0 0 .85rem; color: var(--cyan); font-size: .72rem; font-weight: 700; letter-spacing: .18em; }
.login-copy h1, .dashboard-head h1 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: .95; letter-spacing: -.055em; font-weight: 620; }
.login-copy h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(167,243,247,.75); }
.login-copy > p:not(.eyebrow) { max-width: 34rem; margin: 1.8rem 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.8; }
.pulse-line { width: min(28rem, 80%); height: 2px; margin-top: 3rem; background: linear-gradient(90deg, var(--cyan), rgba(110,231,242,.05)); position: relative; }
.pulse-line span { position: absolute; width: .55rem; height: .55rem; top: 50%; left: 36%; border-radius: 50%; transform: translate(-50%,-50%); background: var(--cyan); box-shadow: 0 0 1.2rem var(--cyan); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { left: 84%; opacity: .45; } }
.login-card { padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(19,39,63,.92), rgba(9,20,35,.94)); box-shadow: 0 2rem 7rem rgba(0,0,0,.28); backdrop-filter: blur(1.25rem); }
.card-kicker { display: flex; gap: .8rem; align-items: center; margin-bottom: 2rem; color: var(--text); font-weight: 650; }
.card-kicker span { color: var(--cyan); font-size: .7rem; border: 1px solid var(--line-bright); border-radius: 999px; padding: .32rem .45rem; }
.login-card label { display: block; margin: 1.05rem 0 .5rem; color: var(--muted); font-size: .82rem; letter-spacing: .04em; }
.login-card input { width: 100%; min-height: 3.25rem; border: 1px solid var(--line); border-radius: .75rem; padding: 0 1rem; color: var(--text); background: rgba(4,12,23,.65); transition: border-color .2s, box-shadow .2s; }
.login-card input:focus { border-color: var(--cyan); box-shadow: 0 0 0 .25rem rgba(110,231,242,.08); outline: none; }
.form-error { min-height: 1.4rem; margin: .8rem 0; color: var(--red); font-size: .82rem; }
.primary-button { width: 100%; min-height: 3.3rem; display: flex; align-items: center; justify-content: space-between; border: 0; border-radius: .75rem; padding: 0 1.1rem; color: #04131c; background: var(--cyan); font-weight: 750; transition: transform .2s, box-shadow .2s; }
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 .8rem 2rem rgba(110,231,242,.18); }
.primary-button[disabled] { cursor: wait; opacity: .65; transform: none; }
.form-note { margin: 1.2rem 0 0; color: var(--muted); font-size: .76rem; line-height: 1.6; }
.dashboard { padding: 4rem 0 7rem; }
.dashboard-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.dashboard-head h1 { font-size: clamp(2.8rem, 6vw, 5.75rem); }
.muted { color: var(--muted); }
.head-actions { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.head-actions label { color: var(--muted); font-size: .78rem; }
select, .ghost-button { min-height: 2.75rem; border: 1px solid var(--line); border-radius: .7rem; padding: 0 .9rem; color: var(--text); background: var(--panel-solid); }
.ghost-button:hover, select:hover { border-color: var(--line-bright); }
.metric-grid { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 1rem; }
.metric-card { min-height: 13rem; padding: 1.45rem; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; position: relative; }
.metric-card::after { content: ""; position: absolute; inset: auto -25% -75% 25%; height: 10rem; border-radius: 50%; background: var(--cyan); filter: blur(4rem); opacity: .04; }
.metric-primary { border-color: var(--line-bright); background: linear-gradient(145deg, rgba(19,50,68,.92), rgba(11,27,43,.9)); }
.metric-card > div { display: flex; align-items: center; gap: .8rem; }
.metric-index { color: var(--cyan); font-size: .68rem; border: 1px solid var(--line-bright); border-radius: 999px; padding: .28rem .4rem; }
.metric-label { color: var(--muted); font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; }
.metric-value { font-size: clamp(1.8rem, 3.5vw, 3.35rem); letter-spacing: -.045em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.metric-value.positive { color: var(--green); }.metric-value.negative { color: var(--red); }
.metric-card p { margin: 0; color: var(--muted); font-size: .8rem; }
.chart-panel, .ledger-panel { margin-top: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: clamp(1.25rem, 3vw, 2rem); backdrop-filter: blur(1rem); }
.panel-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.panel-head h2 { margin: 0; font-size: 1.35rem; }
.legend { color: var(--muted); font-size: .75rem; display: flex; align-items: center; gap: .55rem; }
.legend span { width: 1.5rem; height: 2px; background: var(--cyan); box-shadow: 0 0 .6rem var(--cyan); }
.chart-wrap { position: relative; min-height: 20rem; }
#performance-chart { width: 100%; height: auto; overflow: visible; }
.chart-grid { stroke: rgba(148,180,207,.12); stroke-width: 1; }
.chart-zero { stroke: rgba(248,212,119,.35); stroke-dasharray: 5 6; }
.chart-line { fill: none; stroke: var(--cyan); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 0 7px rgba(110,231,242,.35)); }
.chart-area { fill: url(#area-gradient); }
.chart-point { fill: var(--bg); stroke: var(--cyan); stroke-width: 2.5; }
.chart-point:hover, .chart-point:focus { fill: var(--cyan); stroke-width: 5; outline: none; }
.axis-label { fill: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.empty-state { min-height: 18rem; display: grid; place-items: center; color: var(--muted); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { padding: .9rem .6rem; color: var(--muted); font-size: .72rem; text-align: left; letter-spacing: .08em; text-transform: uppercase; border-bottom: 1px solid var(--line); }
td { padding: 1.05rem .6rem; border-bottom: 1px solid var(--line); font-size: .92rem; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(110,231,242,.025); }
.number { text-align: right; }.value-positive { color: var(--green); }.value-negative { color: var(--red); }
.status-pill { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .76rem; }
.status-pill::before { content: ""; width: .42rem; height: .42rem; border-radius: 50%; background: var(--yellow); }
.status-pill.settled::before { background: var(--green); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (max-width: 860px) {
  .login-layout { grid-template-columns: 1fr; padding: 4rem 0; gap: 3rem; }
  .login-copy h1 { font-size: clamp(3.2rem, 14vw, 5rem); }
  .login-card { max-width: 36rem; width: 100%; }
  .dashboard-head { align-items: flex-start; flex-direction: column; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-primary { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .site-header, main { width: min(100% - 1.25rem, 92rem); }
  .site-header { height: 5rem; }
  .security-note { font-size: 0; }
  .login-layout { min-height: calc(100vh - 5rem); padding-top: 2.5rem; }
  .login-copy > p:not(.eyebrow), .pulse-line { display: none; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-primary { grid-column: auto; }
  .metric-card { min-height: 11.5rem; }
  .head-actions { width: 100%; }
  .head-actions label { width: 100%; }
  .head-actions select { flex: 1; }
  .panel-head { align-items: flex-start; flex-direction: column; }
  .chart-panel { padding-inline: .75rem; }
  .chart-wrap { min-height: 14rem; }
  td, th { white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}