/* ExamPass H5 — 移动优先样式表
 * 设计目标：手机微信内打开，单列、宽度自适应、触控友好。
 * 关键约束：
 *  - 按钮 min-height 44px（iOS 推荐触控区）
 *  - 输入框 font-size 16px（防止 iOS Safari 聚焦时自动缩放）
 *  - 宽度自适应 + 安全区内边距
 */

:root {
  --color-bg: #f4f6fb;
  --color-card: #ffffff;
  --color-primary: #3b6ef0;
  --color-primary-dark: #2f59c4;
  --color-text: #1f2430;
  --color-text-weak: #6b7280;
  --color-border: #d9dee8;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-warn: #b45309;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(31, 36, 48, 0.08);
  --gap: 16px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  /* iOS 安全区 + 单列容器 */
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
    env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.page {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.app-header {
  text-align: center;
  margin-bottom: 20px;
}

.app-header h1 {
  font-size: 22px;
  margin: 0 0 6px;
}

.app-header .subtitle {
  color: var(--color-text-weak);
  font-size: 14px;
  margin: 0;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 16px;
  margin-bottom: var(--gap);
}

.card h2 {
  font-size: 17px;
  margin: 0 0 12px;
}

/* ---------- 表单元素 ---------- */
.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.field .hint {
  display: block;
  font-size: 13px;
  color: var(--color-text-weak);
  margin-top: 6px;
}

input[type="text"],
input[type="date"],
input[type="file"] {
  width: 100%;
  font-size: 16px; /* 防 iOS 缩放 */
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  color: var(--color-text);
}

input[type="file"] {
  padding: 10px;
}

input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 110, 240, 0.15);
}

/* ---------- 按钮 ---------- */
.btn {
  display: block;
  width: 100%;
  min-height: 48px; /* >= 44px 触控区 */
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  padding: 12px 16px;
  text-align: center;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease, opacity 0.15s ease;
}

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

.btn-primary:active {
  background: var(--color-primary-dark);
}

.btn-primary:disabled {
  background: #b8c4e6;
  cursor: not-allowed;
}

.btn-secondary {
  background: #eef1f8;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-danger {
  background: #fff;
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

.btn-link {
  background: transparent;
  color: var(--color-primary);
  min-height: 44px;
}

.btn + .btn {
  margin-top: 12px;
}

/* ---------- 同意页 checkbox ---------- */
.consent-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.consent-list li {
  position: relative;
  padding: 10px 0 10px 26px;
  font-size: 14px;
  color: var(--color-text);
  border-bottom: 1px solid #f0f2f7;
}

.consent-list li:last-child {
  border-bottom: none;
}

.consent-list li::before {
  content: "•";
  position: absolute;
  left: 6px;
  top: 10px;
  color: var(--color-primary);
  font-weight: 700;
}

.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: #f7f9ff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 18px;
  cursor: pointer;
}

.consent-check input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  flex: 0 0 auto;
  accent-color: var(--color-primary);
}

.consent-check span {
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 进度条 ---------- */
.progress-wrap {
  margin: 18px 0 10px;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: #e7ebf5;
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar > .fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #4f86ff, #3b6ef0);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.stage-label {
  font-size: 15px;
  font-weight: 600;
  margin: 14px 0 4px;
  text-align: center;
}

.progress-pct {
  text-align: center;
  color: var(--color-text-weak);
  font-size: 13px;
}

/* 加载小圆点动画 */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(59, 110, 240, 0.25);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- 状态块 ---------- */
.result-actions .btn {
  margin-bottom: 12px;
}

.state-box {
  text-align: center;
  padding: 8px 0;
}

.state-box .emoji {
  font-size: 40px;
  display: block;
  margin-bottom: 8px;
}

.error-msg {
  color: var(--color-danger);
  font-size: 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 12px;
  margin: 12px 0;
  word-break: break-word;
}

.hidden {
  display: none !important;
}

/* ---------- AI 标识 / 页脚 ---------- */
.ai-notice {
  margin-top: 18px;
  font-size: 12px;
  color: var(--color-text-weak);
  text-align: center;
  line-height: 1.5;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  background: rgba(31, 36, 48, 0.92);
  color: #fff;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  z-index: 999;
  max-width: 90%;
}

.file-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--color-text-weak);
}

.file-list li {
  padding: 4px 0;
  word-break: break-all;
}