/* 旅行票根生成器 - 手账风样式 */

:root {
  --bg: #FDF8F3;
  --card: #FFFFFF;
  --primary: #FF8FAB;
  --secondary: #7FB8E8;
  --accent: #FFD6A5;
  --text: #3D3D3D;
  --muted: #8A8A8A;
  --border: #F0E8E0;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(60, 50, 40, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'PingFang SC', 'Source Han Sans SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* 头部 */
.header {
  text-align: center;
  padding: 32px 0 24px;
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 2px;
}

.subtitle {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
}

/* 主体布局 */
.main {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 800px) {
  .main {
    grid-template-columns: 1fr;
  }
}

/* 面板通用 */
.panel {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.panel h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input[type="text"]:focus,
.form-group input[type="date"]:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 143, 171, 0.15);
}

.form-group textarea {
  resize: none;
  line-height: 1.6;
}

.hint {
  text-align: right;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

/* 交通方式选择 */
.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radio-card {
  cursor: pointer;
}

.radio-card input {
  display: none;
}

.radio-content {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  transition: all 0.2s;
  background: var(--bg);
}

.radio-card:hover .radio-content {
  border-color: var(--primary);
}

.radio-card input:checked + .radio-content {
  border-color: var(--primary);
  background: rgba(255, 143, 171, 0.06);
  box-shadow: 0 0 0 3px rgba(255, 143, 171, 0.12);
}

.radio-icon {
  font-size: 2rem;
  margin-bottom: 6px;
}

.radio-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.radio-color {
  height: 6px;
  border-radius: 3px;
  margin-top: 8px;
  opacity: 0.7;
}

/* 操作按钮 */
.actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #FF6B8A);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 143, 171, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 143, 171, 0.5);
}

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

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tip {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* 预览区 */
.preview-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.canvas-wrap {
  margin-top: 8px;
  box-shadow: 0 8px 40px rgba(60, 50, 40, 0.15);
  border-radius: 12px;
  overflow: hidden;
  line-height: 0;
}

.canvas-wrap canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: 28px 0 16px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* 响应式 */
@media (max-width: 800px) {
  .header h1 {
    font-size: 1.5rem;
  }
  .panel {
    padding: 20px;
  }
  .canvas-wrap canvas {
    width: 100%;
    height: auto;
  }
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}