:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --ink: #15201c;
  --ink-2: #586460;
  --ink-3: #889390;
  --line: #e2e9e5;
  --line-2: #d2ddd8;
  --accent: #176b55;
  --on-accent: #ffffff;
  --ok: #34b27b;
  --warn: #c9821a;
  --danger: #a64242;
  --r: 14px;
  color-scheme: light;
  font: 100%/1.5 -apple-system, BlinkMacSystemFont, "SF Pro TC",
    "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1211;
    --surface: #171b19;
    --ink: #f0f3f1;
    --ink-2: #a0aaa6;
    --ink-3: #6e7a75;
    --line: #232a27;
    --line-2: #2f3833;
    --accent: #5fc9a0;
    --on-accent: #0f1211;
    --danger: #ef9898;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

header.scrolled {
  border-bottom-color: var(--line);
}

.bar {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  margin-right: auto;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand span {
  margin-left: 0.5rem;
  color: var(--ink-3);
  font-weight: 400;
}

.brand-link {
  color: inherit;
  text-decoration: none;
}

.who {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink-2);
  font-size: 0.875rem;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
}

h1 {
  margin: 2.5rem 0 0.4rem;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 600;
}

.sub {
  margin: 0 0 2rem;
  color: var(--ink-2);
  font-size: 1rem;
}

.search {
  position: relative;
  margin-bottom: 2.75rem;
}

.search input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  outline: none;
  background: var(--surface);
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.search input::placeholder {
  color: var(--ink-3);
}

.search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px
    color-mix(in srgb, var(--accent) 15%, transparent);
}

.search svg {
  position: absolute;
  top: 50%;
  left: 0.95rem;
  color: var(--ink-3);
  transform: translateY(-50%);
}

.kbd {
  position: absolute;
  top: 50%;
  right: 0.8rem;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  color: var(--ink-3);
  font-size: 0.75rem;
  transform: translateY(-50%);
}

.dashboard-page section {
  margin-bottom: 2.75rem;
}

.dashboard-page h2 {
  margin: 0 0 0.9rem;
  color: var(--ink-3);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(232px, 1fr));
  gap: 0.75rem;
}

.card {
  position: relative;
  display: block;
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.12s cubic-bezier(0.2, 0, 0.2, 1),
    border-color 0.12s ease,
    box-shadow 0.12s ease;
}

.card:hover {
  border-color: var(--line-2);
  box-shadow:
    0 1px 3px rgba(0, 0, 0, 0.04),
    0 8px 24px rgba(0, 0, 0, 0.05);
}

.card:active {
  transform: scale(0.985);
}

.card-disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.card-disabled:hover {
  border-color: var(--line);
  box-shadow: none;
}

.card-disabled:active {
  transform: none;
}

.card .top {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 0.55rem;
}

.icon {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  display: grid;
  place-items: center;
}

.name {
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.desc {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.badge {
  position: absolute;
  top: 1.1rem;
  right: 1.15rem;
  min-width: 20px;
  height: 20px;
  padding: 0 0.35rem;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0;
}

.badge-stale {
  background: var(--ink-3);
}

.badge-unavailable {
  width: auto;
  padding: 0 0.45rem;
  background: color-mix(in srgb, var(--ink-3) 14%, var(--surface));
  color: var(--ink-2);
  font-size: 0.625rem;
}

.dot {
  position: absolute;
  top: 1.35rem;
  right: 1.35rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.dot.ok {
  background: var(--ok);
}

.dot.warn {
  background: var(--warn);
}

.ext {
  position: absolute;
  right: 1.15rem;
  bottom: 1rem;
  color: var(--ink-3);
  opacity: 0;
  transition: opacity 0.12s;
}

.card:hover .ext,
.card:focus-visible .ext {
  opacity: 1;
}

.empty {
  padding: 2rem 0;
  color: var(--ink-3);
  font-size: 0.9rem;
}

footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 0.8125rem;
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-actions a,
.text-button {
  color: var(--ink-2);
  text-decoration: none;
}

.footer-actions form {
  margin: 0;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.footer-actions a:hover,
.text-button:hover {
  color: var(--accent);
  text-decoration: underline;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.auth-shell {
  width: min(100%, 420px);
}

.auth-card,
.panel,
.notice {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
}

.auth-card {
  padding: clamp(1.5rem, 5vw, 2.25rem);
  box-shadow: 0 18px 50px rgba(21, 32, 28, 0.08);
}

.auth-brand {
  margin: 0 0 2.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.auth-brand span {
  margin-left: 0.5rem;
  color: var(--ink-3);
  font-weight: 400;
}

.auth-card h1 {
  margin: 0 0 0.45rem;
  font-size: 1.75rem;
}

.auth-intro {
  margin: 0 0 1.75rem;
  color: var(--ink-2);
}

.form-stack {
  display: grid;
  gap: 1rem;
}

.form-stack label:not(.checkbox-label) {
  display: grid;
  gap: 0.4rem;
  color: var(--ink-2);
  font-size: 0.875rem;
  font-weight: 500;
}

.form-stack input:not([type="hidden"]):not([type="checkbox"]),
.form-stack select {
  width: 100%;
  min-height: 44px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-2);
  border-radius: 9px;
  outline: none;
  background: var(--bg);
  color: var(--ink);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.form-stack input:focus,
.form-stack select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px
    color-mix(in srgb, var(--accent) 15%, transparent);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-2);
  font-size: 0.875rem;
}

.checkbox-label input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.button {
  min-height: 42px;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.1s ease,
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.button:active {
  transform: scale(0.98);
}

.button-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.button-secondary {
  border-color: var(--line-2);
  background: var(--surface);
  color: var(--ink);
}

.field-help,
.muted {
  margin: -0.35rem 0 0;
  color: var(--ink-3);
  font-size: 0.8125rem;
}

.form-error {
  margin: 0 0 1rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 9px;
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  color: var(--danger);
  font-size: 0.875rem;
}

.admin-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

.page-heading {
  margin: 2.5rem 0 2rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
}

.page-heading h1 {
  margin: 0.2rem 0 0.4rem;
}

.page-heading .sub {
  margin-bottom: 0;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.8fr) minmax(0, 1.6fr);
  gap: 1rem;
  align-items: start;
}

.panel {
  padding: 1.25rem;
}

.panel h2,
.notice h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.notice {
  margin-bottom: 1rem;
  padding: 1.1rem 1.25rem;
}

.notice-secret {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}

.notice p {
  margin: 0.35rem 0;
  color: var(--ink-2);
  font-size: 0.875rem;
}

.notice code {
  margin: 0.6rem 0;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  display: block;
  overflow-wrap: anywhere;
  font-size: 1rem;
}

.account-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.account-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.account-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.account-list li:last-child {
  padding-bottom: 0;
}

.account-summary,
.account-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.account-name {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
}

.account-meta {
  margin: 0.2rem 0 0;
  color: var(--ink-3);
  font-size: 0.8125rem;
}

.account-actions {
  justify-content: flex-start;
  margin-top: 0.65rem;
}

.account-actions form {
  margin: 0;
}

.permission-editor {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}

.permission-editor summary {
  width: fit-content;
  color: var(--ink-2);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
}

.permission-editor form {
  margin-top: 0.9rem;
}

.permission-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 0.9rem;
  margin-bottom: 0.9rem;
}

.permission-list label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  color: var(--ink-2);
  font-size: 0.8125rem;
}

.permission-list select {
  min-height: 34px;
  padding: 0.3rem 1.6rem 0.3rem 0.5rem;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: var(--bg);
  color: var(--ink);
}

.status-pill {
  flex: none;
  padding: 0.18rem 0.48rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ok) 13%, transparent);
  color: var(--ok);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-off {
  background: color-mix(in srgb, var(--ink-3) 12%, transparent);
  color: var(--ink-3);
}

@media (max-width: 720px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .permission-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .kbd {
    display: none;
  }

  .search input {
    padding-right: 1rem;
  }

  h1 {
    margin-top: 1.75rem;
  }

  .who > span {
    display: none;
  }

  .admin-wrap,
  .wrap,
  .bar {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .account-summary {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .card:active,
  .button:active {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  header {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  header {
    background: var(--bg);
    border-bottom-color: var(--ink);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .card,
  .panel,
  .auth-card,
  .notice {
    border-color: var(--ink);
  }
}

/* 密碼顯示切換按鈕 */
.pw-wrap { position: relative; display: block; }
.pw-wrap input { width: 100%; padding-right: 2.75rem; }
.pw-toggle {
  position: absolute;
  right: .45rem;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-3, #8b9098);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.pw-toggle:hover { color: var(--ink-2, #5b6068); }
.pw-toggle:active { background: rgba(127,127,127,.12); }
.pw-toggle:focus-visible {
  outline: 2px solid var(--accent, #176b55);
  outline-offset: 1px;
}