:root {
  color-scheme: dark;
  --ink: #262421;
  --surface: #373530;
  --surface-raised: #44413b;
  --paper: #f9f6f3;
  --muted: #bcb5ad;
  --line: rgba(249, 246, 243, .14);
  --copper: #d6a475;
  --signal: #fc7548;
  --evidence: #85a4b4;
  --permission-granted: #7ed69b;
  --permission-granted-bg: rgba(58,126,80,.24);
  --permission-denied: #f1a28d;
  --permission-denied-bg: rgba(132,70,55,.2);
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  background: var(--ink);
  color: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 90% 8%, rgba(133,164,180,.12), transparent 30rem), var(--ink); }
a { color: inherit; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--evidence); outline-offset: 3px; }
.app-shell { display: grid; grid-template-columns: 13rem minmax(0, 1fr); min-height: 100vh; }
.rail { position: sticky; top: 0; display: flex; flex-direction: column; height: 100vh; padding: 2rem 1.35rem; border-right: 1px solid var(--line); }
.brand, .eyebrow, code, .service-key { font-family: "JetBrains Mono", Consolas, monospace; letter-spacing: .08em; }
.brand { font-size: .78rem; text-transform: uppercase; }
.rail-line { flex: 1; width: 1px; margin: 2rem 0 2rem .45rem; background: linear-gradient(var(--copper), transparent); }
.rail-meta { color: var(--muted); font-size: .75rem; line-height: 1.7; }
.work-surface { padding: clamp(2rem, 6vw, 5rem); }
.page-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; }
.eyebrow { margin: 0; color: var(--evidence); font-size: .72rem; text-transform: uppercase; }
h1, h2 { font-family: "Noto Serif TC", Georgia, serif; letter-spacing: -.035em; }
h1 { max-width: 16ch; margin: .7rem 0 0; font-size: clamp(2.2rem, 5vw, 4.5rem); line-height: 1.05; }
h2 { margin: .4rem 0; font-size: 1.8rem; }
.quiet-button, .action-row button { border: 1px solid var(--line); border-radius: .55rem; padding: .7rem 1rem; color: var(--paper); background: transparent; cursor: pointer; }
.quiet-button:hover, .action-row button:hover { border-color: var(--copper); }
.page-actions { display: flex; flex-wrap: wrap; gap: .75rem; flex-shrink: 0; }
.page-actions .quiet-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; text-decoration: none; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }
.service-card { display: grid; min-height: 12rem; padding: 1.35rem; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); text-decoration: none; transition: transform .16s ease, border-color .16s ease; }
.service-card:hover { transform: translateY(-3px); border-color: var(--copper); }
.service-card strong { align-self: end; font: 600 1.6rem "Noto Serif TC", Georgia, serif; }
.service-card > :last-child { color: var(--muted); font-size: .85rem; }
.service-key { color: var(--evidence); font-size: .68rem; text-transform: uppercase; }
.management-grid { display: grid; grid-template-columns: minmax(24rem, 1.5fr) minmax(18rem, .8fr); gap: 1rem; }
.panel { overflow: hidden; border: 1px solid var(--line); border-radius: .8rem; background: var(--surface); }
.panel-pad { padding: 1.5rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: .75rem; font-weight: 500; text-transform: uppercase; }
td small { display: block; margin-top: .3rem; color: var(--muted); }
.row-link { padding: 0; border: 0; color: var(--paper); background: none; cursor: pointer; font-weight: 700; }
.status-pill { display: inline-block; border-radius: 2rem; padding: .25rem .55rem; font: .7rem "JetBrains Mono", Consolas, monospace; }
.status-active { color: #dff4e4; background: #31543b; }
.status-inactive { color: #ffdcd2; background: #6b372b; }
.permission-list { display: grid; gap: .55rem; padding: 0; list-style: none; }
.permission-item { display: grid; grid-template-columns: 2.25rem minmax(0, 1fr) auto; align-items: center; gap: .75rem; border: 1px solid; border-radius: .7rem; padding: .8rem; transition: border-color .16s ease, background-color .16s ease; }
.permission-granted { border-color: rgba(126,214,155,.38); background: var(--permission-granted-bg); }
.permission-denied { border-color: rgba(241,162,141,.3); background: var(--permission-denied-bg); }
.permission-icon { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; border-radius: 50%; font-weight: 900; }
.permission-granted .permission-icon { color: #14271a; background: var(--permission-granted); }
.permission-denied .permission-icon { color: #301b16; background: var(--permission-denied); }
.permission-copy { min-width: 0; }
.permission-copy code { color: var(--paper); overflow-wrap: anywhere; }
.permission-copy small { display: block; margin-top: .2rem; color: var(--muted); }
.permission-control { display: flex; align-items: center; gap: .75rem; }
.permission-state { min-width: 5.1rem; font: 700 .7rem "JetBrains Mono", Consolas, monospace; letter-spacing: .04em; white-space: nowrap; }
.permission-granted .permission-state { color: var(--permission-granted); }
.permission-denied .permission-state { color: var(--permission-denied); }
.permission-switch { position: relative; width: 3rem; height: 1.75rem; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; padding: 0; background: #625d54; cursor: pointer; transition: border-color .16s ease, background-color .16s ease; }
.permission-switch:hover { border-color: var(--copper); }
.permission-switch .switch-knob { position: absolute; top: .2rem; left: .2rem; width: 1.2rem; height: 1.2rem; border-radius: 50%; background: var(--paper); box-shadow: 0 .1rem .25rem rgba(0,0,0,.3); transition: transform .16s ease; }
.permission-switch[aria-checked="true"] { border-color: rgba(126,214,155,.65); background: #3f8f5b; }
.permission-switch[aria-checked="true"] .switch-knob { transform: translateX(1.22rem); }
.action-row { margin-top: 1.5rem; }
.feedback { min-height: 1.5rem; color: var(--copper); }
.login-shell { display: grid; min-height: 100vh; place-items: center; padding: 1rem; }
.login-workbench { display: grid; grid-template-columns: 12rem minmax(0, 1fr); width: min(58rem, 100%); min-height: 35rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.25rem; background: var(--surface); box-shadow: 0 2rem 5rem rgba(0,0,0,.28); }
.login-rail { display: flex; flex-direction: column; padding: 2rem 1.3rem; background: #201f1c; }
.login-content { display: grid; place-items: center; padding: clamp(2rem, 8vw, 5rem); }
.login-copy { width: min(100%, 30rem); }
.login-copy h1 { font-size: clamp(2.6rem, 6vw, 4rem); }
.login-copy > p { color: var(--muted); line-height: 1.8; }
.google-button { display: flex; align-items: center; justify-content: center; gap: .75rem; margin-top: 2rem; border-radius: .65rem; padding: .9rem 1rem; color: var(--ink); background: var(--paper); text-decoration: none; font-weight: 700; }
.google-mark { display: grid; width: 1.5rem; height: 1.5rem; place-items: center; border-radius: 50%; color: white; background: conic-gradient(#4285f4 0 25%,#34a853 0 50%,#fbbc05 0 75%,#ea4335 0); font-weight: 900; }
.trust-note { margin-top: 1.1rem; color: var(--evidence) !important; font-size: .78rem; }
.dev-login { position: relative; margin-top: 2rem; border: 1px solid rgba(214,164,117,.5); border-radius: .75rem; padding: 1.15rem; background: rgba(32,31,28,.55); }
.dev-login[hidden] { display: none; }
.dev-login::before { position: absolute; inset: 0 auto 0 0; width: .22rem; border-radius: .75rem 0 0 .75rem; background: var(--copper); content: ""; }
.dev-login-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.dev-login h2 { margin: 0; font: 600 1.15rem "Noto Sans TC", "Microsoft JhengHei", sans-serif; letter-spacing: 0; }
.dev-login > p { margin: .65rem 0 1rem; color: var(--muted); font-size: .78rem; line-height: 1.6; }
.dev-stamp { margin: 0; color: var(--copper); font: 700 .64rem "JetBrains Mono", Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; }
.dev-account-list { display: grid; gap: .6rem; }
.dev-account { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border: 1px solid var(--line); border-radius: .55rem; padding: .75rem .85rem; color: var(--paper); background: var(--surface-raised); text-decoration: none; transition: border-color .16s ease, transform .16s ease; }
.dev-account:hover { border-color: var(--copper); transform: translateX(.2rem); }
.dev-account strong, .dev-account small { display: block; }
.dev-account small { margin-top: .2rem; color: var(--muted); font-size: .68rem; }
.dev-access-note { max-width: 11rem; color: var(--evidence); font-size: .7rem; line-height: 1.45; text-align: right; }
@media (max-width: 760px) {
  .app-shell, .login-workbench, .management-grid { grid-template-columns: 1fr; }
  .rail, .login-rail { position: static; height: auto; min-height: 7rem; }
  .rail-line { display: none; }
  .page-head { align-items: start; flex-direction: column; }
  .work-surface { padding: 1.4rem; }
  .panel { overflow-x: auto; }
  .permission-item { grid-template-columns: 2.25rem minmax(0, 1fr); }
  .permission-control { grid-column: 1 / -1; justify-content: space-between; border-top: 1px solid var(--line); padding-top: .7rem; }
  .dev-login-head, .dev-account { align-items: start; flex-direction: column; }
  .dev-access-note { max-width: none; text-align: left; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }