/* ============================================================
   base.css — CSS 变量、reset、排版、通用工具类、表单基础样式
   ============================================================ */

:root {
  /* 主题色 */
  --color-primary: #1f6feb;
  --color-primary-dark: #1a5fd0;
  --color-primary-light: #e8f0fe;
  --color-success: #1a9e56;
  --color-success-light: #e6f7ee;
  --color-warning: #d98a00;
  --color-warning-light: #fdf3e0;
  --color-danger: #d9363e;
  --color-danger-light: #fdebec;
  --color-info: #7070cc;
  --color-info-light: #eeedfa;

  /* 中性色 */
  --color-text: #24292f;
  --color-text-secondary: #57606a;
  --color-text-muted: #8b949e;
  --color-border: #d0d7de;
  --color-border-light: #eaeef2;
  --color-bg: #f6f8fa;
  --color-bg-card: #ffffff;
  --color-bg-hover: #f0f3f6;

  /* 角色徽章色 */
  --role-admin-bg: #fdeebc;
  --role-admin-fg: #9a6700;
  --role-enterprise-bg: #dbeafe;
  --role-enterprise-fg: #1d4ed8;
  --role-government-bg: #d1fae5;
  --role-government-fg: #047857;
  --role-public-bg: #ede9fe;
  --role-public-fg: #6d28d9;

  /* 布局 */
  --content-max-width: 1080px;
  --navbar-height: 56px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(36, 41, 47, 0.08);
  --shadow-md: 0 4px 12px rgba(36, 41, 47, 0.12);
  --shadow-lg: 0 8px 24px rgba(36, 41, 47, 0.18);

  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

img,
svg,
video {
  max-width: 100%;
  display: block;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

a:hover {
  text-decoration: underline;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.35;
  font-weight: 600;
  overflow-wrap: break-word;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: 0.95rem; }

/* ---------------- 通用工具类 ---------------- */

/* 页面容器 */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* 卡片 */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* 文本工具 */
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-center { text-align: center; }
.text-break { word-break: break-all; }

/* 隐藏 */
.hidden { display: none !important; }

/* 布局工具 */
.flex-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.full-width { width: 100%; }

/* 徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.6;
  white-space: nowrap;
}

/* 按钮基础 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  user-select: none;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-hover);
}

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

.btn-success:hover:not(:disabled) {
  filter: brightness(0.92);
}

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

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.92);
}

.btn-sm {
  padding: 4px 12px;
  font-size: 13px;
}

/* ---------------- 表单基础样式 ---------------- */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 96px;
}

select.form-control {
  appearance: auto;
}

.form-hint {
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-danger);
}

.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}