/* ============================================
   设计系统 Design System
   主色：#0D9488 青绿色
   背景：#F7F8FA 浅灰
   ============================================ */

:root {
  /* 主色 */
  --primary: #0D9488;
  --primary-hover: #0F766E;
  --primary-light: #F0FDFA;

  /* 语义色 */
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --success: #10B981;
  --success-bg: #F0FDF4;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;

  /* 中性色 */
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --text: #111827;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;

  /* 字号层级 */
  --fs-title: 20px;
  --fs-section: 15px;
  --fs-body: 14px;
  --fs-small: 12px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, "Microsoft YaHei", sans-serif;
  font-size: var(--fs-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.page { min-height: 100vh; display: flex; flex-direction: column; }
.page-center { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

/* ---- Header ---- */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  flex-shrink: 0;
}
.app-header h1 {
  font-size: var(--fs-title);
  font-weight: 600;
  color: var(--text);
}
.header-left { display: flex; align-items: center; gap: 20px; }
.header-right { display: flex; align-items: center; gap: 10px; }
.header-nav { display: flex; align-items: center; gap: 16px; font-size: var(--fs-small); }
.header-nav a { color: var(--text-secondary); text-decoration: none; white-space: nowrap; }
.header-nav a:hover { color: var(--primary); text-decoration: none; }
.header-user { font-size: var(--fs-small); color: var(--text-secondary); }
.header-logout { font-size: var(--fs-small); color: var(--danger); cursor: pointer; background: none; border: none; font-family: inherit; text-decoration: none; }
.header-logout:hover { text-decoration: underline; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 36px;
  padding: 0 16px;
  font-size: var(--fs-body);
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  line-height: 1;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--border); color: var(--text); }

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }
.btn-primary:disabled { background: var(--text-tertiary); border-color: var(--text-tertiary); }

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

.btn-success { color: var(--success); border-color: var(--success); }
.btn-success:hover { background: var(--success); color: #fff; }

.btn-ghost { border-color: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--primary-light); border-color: transparent; color: var(--primary); }

.btn-sm { height: 30px; padding: 0 12px; font-size: var(--fs-small); }

/* ---- Form ---- */
.input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  font-family: inherit;
  outline: none;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}
.input:focus { border-color: var(--primary); }
.input::placeholder { color: var(--text-tertiary); }
.input:read-only { background: var(--bg); }

.textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  font-family: inherit;
  outline: none;
  resize: vertical;
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
}
.textarea:focus { border-color: var(--primary); }
.textarea::placeholder { color: var(--text-tertiary); }

.select {
  height: 32px;
  padding: 0 28px 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: var(--fs-small);
  font-family: inherit;
  outline: none;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}
.select:focus { border-color: var(--primary); }

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 160px; }

/* ---- Status / State ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
  font-size: var(--fs-body);
}
.empty-state p { margin-top: 8px; }

.loading {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-tertiary);
  font-size: var(--fs-small);
}

.badge {
  display: inline-block;
  font-size: var(--fs-small);
  padding: 1px 8px;
  border-radius: 999px;
  font-weight: 500;
  line-height: 1.5;
}
.badge-enabled { background: var(--success-bg); color: var(--success); }
.badge-disabled { background: var(--danger-bg); color: var(--danger); }
.badge-draft { background: var(--warning-bg); color: var(--warning); }
.badge-uploaded { background: #EFF6FF; color: #2563EB; }
.badge-parsed { background: var(--success-bg); color: var(--success); }
.badge-failed { background: var(--danger-bg); color: var(--danger); }
.badge-saved { background: #F5F3FF; color: #7C3AED; }

/* ---- Toast ---- */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-body);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  max-width: 360px;
  pointer-events: auto;
  animation: toast-in 0.2s ease;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- Divider ---- */
hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* ---- Alert ---- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  margin-bottom: 16px;
  line-height: 1.5;
}
.alert-warning { background: var(--warning-bg); color: #92400E; border: 1px solid #FDE68A; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }