:root {
  --bg: #f2f5f6;
  --panel: #ffffff;
  --ink: #1c2a33;
  --muted: #5f707c;
  --line: #dce4e8;
  --brand: #0e7490;
  --brand-strong: #155e75;
  --brand-soft: #e0f2f6;
  --amber: #b45309;
  --amber-soft: #fdf0dc;
  --green: #15803d;
  --green-soft: #e5f5ea;
  --red: #b91c1c;
  --red-soft: #fdeaea;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(20, 40, 50, 0.06), 0 6px 18px rgba(20, 40, 50, 0.05);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

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

.btn-primary:hover {
  background: var(--brand-strong);
}

.btn-outline {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

.icon-btn svg {
  width: 19px;
  height: 19px;
}

.icon-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 0;
  background: none;
  color: var(--brand);
  font-weight: 600;
  padding: 6px 4px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin: 12px 0;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  min-height: 42px;
  margin-top: 6px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(14, 116, 144, 0.28);
  border-color: var(--brand);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 80;
  max-width: calc(100vw - 40px);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(23, 32, 38, 0.94);
  color: #fff;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.toast.error {
  background: var(--red);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge svg {
  width: 12px;
  height: 12px;
}

.badge-green {
  background: var(--green-soft);
  color: var(--green);
}

.badge-amber {
  background: var(--amber-soft);
  color: var(--amber);
}

.badge-red {
  background: var(--red-soft);
  color: var(--red);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--brand);
  color: #fff;
}

.brand-mark svg {
  width: 26px;
  height: 26px;
}

.brand-mark.small {
  width: 38px;
  height: 38px;
}

.brand-mark.small svg {
  width: 20px;
  height: 20px;
}