:root {
  color-scheme: light;
  --bg: #f3f9f6;
  --surface: rgba(255, 255, 255, .84);
  --surface-solid: #fff;
  --ink: #0b4f42;
  --muted: #5c786f;
  --line: #d4e6df;
  --green: #08a879;
  --green-dark: #08745b;
  --mint: #e8f8f2;
  --orange: #f4a323;
  --shadow: 0 16px 45px rgba(19, 91, 72, .08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #071b18;
  --surface: rgba(12, 39, 34, .88);
  --surface-solid: #0d2924;
  --ink: #d7fff2;
  --muted: #8fb4a9;
  --line: #214b42;
  --green: #26d5a1;
  --green-dark: #72e8c2;
  --mint: #123c33;
  --orange: #ffbd4a;
  --shadow: 0 18px 50px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 7% 4%, rgba(8,168,121,.10), transparent 26rem),
    radial-gradient(circle at 93% 20%, rgba(46,187,152,.08), transparent 24rem),
    var(--bg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
button, input, textarea, select { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.topbar { min-height: 98px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.eyebrow, .section-kicker { margin: 0 0 5px; font-size: 12px; font-weight: 800; letter-spacing: .1em; color: var(--green-dark); }
h1 { margin: 0; font-size: clamp(30px, 4vw, 44px); letter-spacing: -.04em; }
h2 { margin: 0; font-size: 16px; font-weight: 500; color: var(--muted); }
.top-actions, .vault-actions, .dialog-actions { display: flex; gap: 10px; align-items: center; }
.ghost-button, .outline-button, .soft-button, .primary-button, .text-button, .icon-button {
  border: 0; border-radius: 11px; padding: 11px 16px; cursor: pointer; transition: .18s ease;
}
.ghost-button, .outline-button { border: 1px solid var(--line); background: var(--surface); }
.ghost-button:hover, .outline-button:hover, .soft-button:hover { border-color: var(--green); transform: translateY(-1px); }

.notice-card, .generator-card, .vault-list, dialog {
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(16px);
}
.notice-card { margin: 34px 0 22px; padding: 20px 24px; border-radius: 17px; border-left: 4px solid var(--green); display: flex; justify-content: space-between; align-items: center; }
.notice-card strong { font-size: 16px; }
.notice-card p, .vault-heading p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.status { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; font-size: 13px; font-weight: 700; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(8,168,121,.1); }

.generator-card { border-radius: 18px; padding: 27px; }
.section-heading, .vault-heading, .dialog-heading { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
.segmented { display: flex; border: 1px solid var(--line); border-radius: 14px; padding: 4px; background: var(--surface-solid); }
.segmented button { border: 0; background: transparent; padding: 9px 17px; border-radius: 10px; cursor: pointer; color: var(--muted); }
.segmented button.active { background: var(--green); color: #fff; box-shadow: 0 8px 20px rgba(8,168,121,.22); }
.generator-panel { margin-top: 27px; padding: 15px; display: grid; grid-template-columns: minmax(260px, 1.7fr) minmax(190px, .85fr) 84px auto auto; gap: 14px; align-items: end; border-radius: 15px; background: linear-gradient(90deg, var(--mint), transparent); }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field > span, .code-block > span { font-size: 13px; font-weight: 700; color: var(--muted); }
.field em { float: right; font-style: normal; font-weight: 500; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-solid); color: var(--ink); padding: 12px 14px; outline: 0; }
input:focus, textarea:focus, select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(8,168,121,.11); }
.code-block { display: flex; flex-direction: column; gap: 7px; }
.code-value { height: 47px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-solid); color: var(--green-dark); font: 800 31px/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; cursor: pointer; }
.countdown { height: 47px; display: grid; place-items: center; border: 1px solid #ffd08b; border-radius: 11px; background: var(--surface-solid); color: var(--orange); font: 800 15px ui-monospace, monospace; }
.primary-button { background: var(--green); color: #fff; font-weight: 800; }
.primary-button:hover { background: var(--green-dark); transform: translateY(-1px); }
.soft-button { background: var(--mint); color: var(--green-dark); border: 1px solid transparent; }
.helper { margin: 12px 3px 0; color: var(--green-dark); font-size: 13px; }
.batch-panel { margin-top: 25px; }
.batch-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px; }
.batch-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-solid); }
.batch-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.batch-item button { border: 0; background: transparent; color: var(--green-dark); font: 800 20px ui-monospace, monospace; cursor: pointer; }

.vault-section { margin-top: 34px; padding-top: 25px; border-top: 1px solid var(--line); }
#savedSummary { margin-left: 7px; color: var(--muted); letter-spacing: 0; font-weight: 600; }
.text-button { background: transparent; font-weight: 700; padding-inline: 9px; }
.file-button { position: relative; cursor: pointer; }
.file-button input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.search-row { margin: 18px 0 14px; }
.search-box { width: min(440px, 100%); display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); background: var(--surface-solid); border-radius: 12px; padding-left: 14px; color: var(--muted); }
.search-box input { border: 0; box-shadow: none; padding-left: 0; }
.category-tabs { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-bottom: 17px; }
.category-tabs button { border: 1px solid var(--line); background: var(--surface); border-radius: 11px; padding: 11px 8px; color: var(--muted); cursor: pointer; }
.category-tabs button.active { color: #fff; background: var(--green); border-color: var(--green); box-shadow: 0 9px 24px rgba(8,168,121,.20); }
.vault-list { border-radius: 17px; min-height: 190px; overflow: hidden; }
.empty-state { min-height: 190px; display: grid; place-items: center; text-align: center; padding: 30px; color: var(--muted); }
.empty-state strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 7px; }
.account-row { display: grid; grid-template-columns: 54px minmax(160px, 1fr) auto auto; align-items: center; gap: 17px; padding: 17px 20px; border-bottom: 1px solid var(--line); }
.account-row:last-child { border-bottom: 0; }
.platform-mark { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 12px; background: var(--mint); color: var(--green-dark); font-weight: 900; }
.account-meta strong { display: block; }
.account-meta small { display: block; color: var(--muted); margin-top: 5px; font-family: ui-monospace, monospace; }
.row-code { border: 0; background: transparent; color: var(--green-dark); font: 800 25px ui-monospace, monospace; letter-spacing: .09em; cursor: pointer; }
.row-time { color: var(--orange); font: 800 13px ui-monospace, monospace; min-width: 28px; }
.delete-button { display: none; border: 1px solid #e4aca6; background: transparent; color: #b94a3d; border-radius: 9px; padding: 7px 10px; cursor: pointer; }
.manage-mode .delete-button { display: block; }
footer { display: flex; justify-content: space-between; padding: 25px 2px 35px; color: var(--muted); font-size: 12px; }

dialog { width: min(520px, calc(100% - 28px)); border-radius: 18px; padding: 0; color: var(--ink); }
dialog::backdrop { background: rgba(1, 24, 20, .54); backdrop-filter: blur(5px); }
dialog form { padding: 25px; display: grid; gap: 18px; }
.dialog-heading h2 { color: var(--ink); font-size: 22px; font-weight: 800; }
.icon-button { padding: 3px 11px; background: transparent; font-size: 27px; }
.dialog-warning { margin: 0; padding: 11px 13px; border-radius: 10px; background: var(--mint); color: var(--muted); font-size: 12px; }
.dialog-actions { justify-content: flex-end; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 20; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; padding: 11px 17px; border-radius: 10px; color: #fff; background: #073e34; box-shadow: var(--shadow); transition: .2s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .generator-panel { grid-template-columns: 1fr 1fr 72px; }
  .secret-field { grid-column: 1 / -1; }
  .category-tabs { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 1180px); }
  .topbar { align-items: flex-start; padding: 20px 0; gap: 14px; }
  .top-actions { flex-direction: column; align-items: stretch; }
  .ghost-button { padding: 8px 10px; font-size: 12px; }
  .notice-card, .section-heading, .vault-heading { flex-direction: column; }
  .notice-card { align-items: flex-start; }
  .generator-card { padding: 18px; }
  .segmented { width: 100%; }
  .segmented button { flex: 1; }
  .generator-panel { grid-template-columns: 1fr 68px; }
  .secret-field, .code-block { grid-column: 1 / -1; }
  .batch-results { grid-template-columns: 1fr; }
  .vault-actions { width: 100%; justify-content: space-between; }
  .category-tabs { display: flex; overflow-x: auto; padding-bottom: 5px; }
  .category-tabs button { min-width: 95px; }
  .account-row { grid-template-columns: 43px minmax(0, 1fr) auto; gap: 10px; padding: 14px; }
  .row-time { display: none; }
  .delete-button { grid-column: 2 / -1; }
  footer { flex-direction: column; gap: 7px; }
}