:root {
  --bg: #eef2f0;
  --bg-accent: #d9e4dc;
  --ink: #14201a;
  --muted: #5a6b62;
  --line: #c5d2ca;
  --panel: #f7faf8;
  --brand: #0f6b4c;
  --brand-ink: #083d2c;
  --accent: #c45c26;
  --danger: #b42318;
  --ok: #0f6b4c;
  --shadow: 0 18px 40px rgba(20, 32, 26, 0.08);
  --radius: 14px;
  --font: "Source Sans 3", "PingFang TC", "Noto Sans TC", sans-serif;
  --display: "IBM Plex Sans", "Source Sans 3", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(15, 107, 76, 0.12), transparent 36%),
    radial-gradient(circle at 88% 0%, rgba(196, 92, 38, 0.1), transparent 32%),
    linear-gradient(160deg, var(--bg), var(--bg-accent));
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

#app {
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  background: rgba(247, 250, 248, 0.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 36px 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.brand {
  font-family: var(--display);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brand-ink);
  margin: 0 0 6px;
}

.subtitle {
  margin: 0 0 28px;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--brand-ink);
}

.field input,
.field select,
.field textarea,
.toolbar input,
.toolbar select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--ink);
}

.field textarea {
  min-height: 88px;
  resize: vertical;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 600;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--brand-ink);
  border: 1px solid var(--line);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(180, 35, 24, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 8px 10px;
}

.btn-block {
  width: 100%;
}

.alert {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(180, 35, 24, 0.08);
  color: var(--danger);
  font-size: 0.92rem;
}

.alert-ok {
  background: rgba(15, 107, 76, 0.1);
  color: var(--ok);
}

.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.topbar-left {
  display: grid;
  gap: 4px;
}

.topbar h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}

.user-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.nav-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
}

.nav-btn.active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15, 107, 76, 0.22);
}

.panel {
  background: rgba(247, 250, 248, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.2rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.toolbar input,
.toolbar select {
  width: auto;
  min-width: 140px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 0.95rem;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: rgba(217, 228, 220, 0.45);
}

tr:last-child td {
  border-bottom: 0;
}

.row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.empty {
  padding: 36px 20px;
  text-align: center;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(15, 107, 76, 0.12);
  color: var(--brand-ink);
}

.badge-warn {
  background: rgba(196, 92, 38, 0.14);
  color: #8a3a12;
}

.badge-muted {
  background: rgba(90, 107, 98, 0.12);
  color: var(--muted);
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 32, 26, 0.42);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 40;
  animation: fade-in 0.18s ease;
}

.modal {
  width: min(520px, 100%);
  background: var(--panel);
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 22px;
  animation: rise-in 0.2s ease;
}

.modal h3 {
  margin: 0 0 16px;
  font-family: var(--display);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .shell {
    padding: 16px 12px 36px;
  }

  th,
  td {
    padding: 12px;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}