/* 梅花易数在线占卜系统 - 纯白清爽版 */

/* ============ 基础变量 ============ */
:root {
  /* 纯白清爽配色 */
  --bg-primary: #FFFFFF;        /* 纯白背景 */
  --bg-secondary: #F5F7FA;       /* 浅灰背景 */
  --bg-card: #FFFFFF;           /* 卡片白色 */
  --bg-hover: #EEF1F5;         /* 悬停背景 */

  /* 主色 - 墨蓝 */
  --primary: #1E3A8A;          /* 深蓝主色 */
  --primary-light: #3B82F6;     /* 亮蓝 */
  --primary-lighter: #EFF6FF;   /* 极浅蓝 */

  /* 强调色 - 橙色 */
  --accent: #EA580C;           /* 橙色 */
  --accent-light: #F97316;      /* 亮橙 */

  /* 阴阳爻 */
  --yao-dark: #1E293B;         /* 深色爻 */

  /* 文字 - 确保清晰 */
  --text-heading: #0F172A;       /* 标题-最深 */
  --text-body: #334155;         /* 正文-深灰 */
  --text-light: #64748B;        /* 浅文字-中灰 */
  --text-muted: #94A3B8;        /* 辅助文字 */

  /* 状态色 */
  --success: #059669;
  --warning: #D97706;
  --danger: #DC2626;
  --info: #2563EB;

  /* 边框 */
  --border: #CBD5E1;
  --border-light: #E2E8F0;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--text-body);
  line-height: 1.8;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* ============ 头部 ============ */
.header {
  text-align: center;
  padding: 40px 0 32px;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 28px;
}

.header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.header .subtitle {
  color: var(--text-light);
  font-size: 0.95rem;
}

.bagua-symbols {
  font-size: 1.6rem;
  letter-spacing: 10px;
  margin-top: 16px;
  color: var(--primary);
}

/* ============ 区块 ============ */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 14px;
}

.section h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.required {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 500;
  margin-left: 4px;
}

.optional-tag {
  background: var(--primary-lighter);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-left: 6px;
}

.hint {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 6px;
}

/* ============ 起卦方式按钮 ============ */
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.method-btn {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 14px 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.method-btn:hover {
  border-color: var(--primary);
  background: var(--primary-lighter);
}

.method-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.method-btn .icon {
  font-size: 1.6rem;
}

.method-btn .label {
  font-size: 0.85rem;
  font-weight: 500;
  color: inherit;
}

/* ============ 场景按钮 ============ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.scene-btn {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 12px 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
}

.scene-btn:hover {
  border-color: var(--primary-light);
  background: var(--primary-lighter);
}

.scene-btn.selected {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.scene-btn .icon {
  font-size: 1rem;
}

/* ============ 输入框 ============ */
.input-form {
  animation: fadeIn 0.2s;
}

.input-form.hidden {
  display: none;
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-body);
  font-size: 0.9rem;
}

.form-row input,
.form-row select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: white;
  color: var(--text-heading);
  transition: border-color 0.2s;
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row input::placeholder {
  color: var(--text-muted);
}

/* ============ 外应 ============ */
.waiying-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.waiying-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.waiying-group span {
  color: var(--text-body);
  min-width: 45px;
  font-size: 0.85rem;
  font-weight: 500;
}

.waiying-group label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-body);
  transition: all 0.2s;
}

.waiying-group label:hover {
  border-color: var(--primary-light);
}

.waiying-group input[type="checkbox"] {
  accent-color: var(--primary);
}

/* ============ 主按钮 ============ */
.btn-primary {
  width: 100%;
  padding: 16px 24px;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(30, 58, 138, 0.25);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.btn-primary:disabled {
  background: #94A3B8;
  cursor: not-allowed;
  box-shadow: none;
}

.error-msg {
  color: var(--danger);
  text-align: center;
  margin-top: 10px;
  font-size: 0.85rem;
}

/* ============ 结果页 ============ */
.result-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px;
}

.result-header {
  text-align: center;
  padding: 28px 20px;
  background: var(--primary);
  color: white;
  border-radius: 12px 12px 0 0;
}

.result-header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.jixiong-badge {
  display: inline-block;
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 1rem;
  font-weight: 600;
  margin: 8px 0;
  background: rgba(255,255,255,0.25);
  border: 1px solid rgba(255,255,255,0.4);
}

.jixiong-badge.daji { background: var(--success); }
.jixiong-badge.ji { background: var(--info); }
.jixiong-badge.xiaoji { background: var(--warning); }
.jixiong-badge.ping { background: #6B7280; }
.jixiong-badge.xiong { background: var(--danger); }
.jixiong-badge.daxiong { background: #B91C1C; }

/* 卦象区 */
.gua-display {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
}

.gua-card {
  text-align: center;
  padding: 16px;
  margin-bottom: 10px;
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border-light);
}

.gua-card:last-child {
  margin-bottom: 0;
}

.gua-card h3 {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.gua-symbol {
  font-size: 2.4rem;
  margin: 10px 0;
  letter-spacing: 14px;
  color: var(--primary);
}

.gua-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-heading);
}

.gua-info {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 6px;
}

/* 六爻 */
.yao-display {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  margin: 14px 0;
}

.yao {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
  padding: 2px 0;
}

.yao-line {
  flex-shrink: 0;
}

.yao-yang {
  background: var(--yao-dark);
  border-radius: 2px;
}

.yao-yin {
  background: linear-gradient(90deg, var(--yao-dark) 45%, transparent 45%, transparent 55%, var(--yao-dark) 55%);
  border-radius: 2px;
}

.yao.dong {
  color: var(--primary);
  font-weight: 600;
}

/* 分析区块 */
.analysis-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
}

.analysis-item {
  padding: 14px;
  margin-bottom: 10px;
  background: var(--bg-secondary);
  border-radius: 10px;
  border-left: 4px solid;
}

.analysis-item:last-child {
  margin-bottom: 0;
}

.analysis-item h4 {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.analysis-item p {
  color: var(--text-body);
  font-size: 0.9rem;
  line-height: 1.7;
}

.analysis-item.present { border-color: var(--primary); }
.analysis-item.present h4 { color: var(--primary); }

.analysis-item.process { border-color: var(--accent); }
.analysis-item.process h4 { color: var(--accent); }

.analysis-item.future { border-color: var(--success); }
.analysis-item.future h4 { color: var(--success); }

/* 纠偏 */
.jiucuo-alert {
  background: #FEF3C7;
  border: 1px solid #FCD34D;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
  color: #92400E;
  font-size: 0.9rem;
}

/* 运算日志 */
.calc-log {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 14px;
  margin-top: 14px;
  font-family: monospace;
  font-size: 0.8rem;
  display: none;
}
.calc-log.show { display: block; }

/* ============ 动画 ============ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.hidden { display: none !important; }

/* ============ 响应式 ============ */
@media (max-width: 400px) {
  .container { padding: 16px 12px; }
  .header { padding: 30px 0 24px; }
  .header h1 { font-size: 1.5rem; }
  .bagua-symbols { font-size: 1.3rem; }

  .section { padding: 16px; border-radius: 10px; }
  .section h2 { font-size: 0.9rem; }

  .method-grid, .scene-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .method-btn { padding: 12px 6px; }
  .method-btn .icon { font-size: 1.4rem; }
  .method-btn .label { font-size: 0.8rem; }

  .scene-btn { padding: 10px 6px; font-size: 0.85rem; }
  .scene-btn .icon { font-size: 0.9rem; }

  .form-row input, .form-row select { padding: 12px 14px; font-size: 16px; max-width: 100%; }
  /* 修复移动端日期时间输入框溢出 - iPhone Safari专用 */
  .form-row input[type="datetime-local"],
  input#datetimeInput {
    font-size: 14px !important;
    padding: 10px 6px !important;
    min-height: 44px;
    width: 100% !important;
    max-width: 100% !important;
    max-width: -webkit-fill-available !important;
    box-sizing: border-box !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    border-radius: 8px !important;
  }
  /* iOS Safari 日期输入框 */
  @supports (-webkit-touch-callout: any) {
    input[type="datetime-local"],
    input#datetimeInput {
      font-size: 16px !important;
      width: -webkit-fill-available !important;
    }
  }
  .waiying-group label { padding: 5px 8px; font-size: 0.8rem; flex: 1 1 45%; justify-content: center; }

  .btn-primary { padding: 14px 20px; font-size: 1rem; }
  .gua-symbol { font-size: 2rem; letter-spacing: 10px; }
  .gua-name { font-size: 1.1rem; }
  .yao { width: 100px; height: 16px; font-size: 0.7rem; }
}

@media (min-width: 401px) and (max-width: 500px) {
  .container { padding: 20px 16px; }
  .header h1 { font-size: 1.6rem; }
  .method-grid, .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .btn-primary { padding: 15px 22px; }
}

@media (min-width: 501px) {
  .container { max-width: 680px; padding: 24px 20px; }
  .header h1 { font-size: 1.8rem; }
  .method-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .scene-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .section { padding: 22px; margin-bottom: 14px; }
}

/* 横屏 */
@media (max-height: 450px) and (orientation: landscape) {
  .header { padding: 16px 0; margin-bottom: 16px; }
  .header h1 { font-size: 1.2rem; }
  .bagua-symbols { display: none; }
  .section { padding: 12px; margin-bottom: 10px; }
  .section h2 { font-size: 0.8rem; margin-bottom: 10px; }
  .method-grid, .scene-grid { grid-template-columns: repeat(6, 1fr); }
  .method-btn .label { font-size: 0.7rem; }
  .btn-primary { padding: 10px 16px; font-size: 0.9rem; }
}

/* ============ 物象选择网格 ============ */
.wuxiang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.wuxiang-group {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

.wuxiang-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-light);
}

.wuxiang-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.wuxiang-items label {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 6px;
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--text-body);
  transition: all 0.2s;
}

.wuxiang-items label:hover {
  border-color: var(--primary-light);
  background: var(--primary-lighter);
}

.wuxiang-items input[type="radio"] {
  accent-color: var(--primary);
  width: 12px;
  height: 12px;
}

.wuxiang-items span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 响应式 - 物象网格 */
@media (max-width: 500px) {
  .wuxiang-grid {
    grid-template-columns: 1fr;
  }
  .wuxiang-items {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 501px) {
  .wuxiang-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 打印样式 */
@media print {
  .btn-primary, .waiying-section, .calc-log { display: none !important; }
  body { background: white; }
  .section { box-shadow: none; }
}

/* ============ 结果页面样式 ============ */
.result-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
  background: var(--bg-primary);
}

.result-header {
  background: var(--primary);
  color: white;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  margin-bottom: 16px;
}

.result-header h1 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.result-header p {
  font-size: 0.9rem;
  opacity: 0.9;
}

.section-title {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 12px;
  text-align: center;
}

.gua-section {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.gua-symbols {
  text-align: center;
  font-size: 3rem;
  margin: 12px 0;
  letter-spacing: 8px;
}

.gua-ci-box {
  background: var(--primary-lighter);
  border-left: 4px solid var(--primary);
  padding: 12px 16px;
  margin: 12px 0;
  border-radius: 0 8px 8px 0;
}

.gua-ci-box h4 {
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.gua-ci-box p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
}

/* 六爻列表 */
.yao-list {
  margin-top: 12px;
}

.yao-item {
  display: flex;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  gap: 10px;
}

.yao-item:last-child {
  border-bottom: none;
}

.yao-item.dong {
  background: #FEF3C7;
  margin: 0 -12px;
  padding: 8px 12px;
  border-radius: 6px;
}

.yao-line {
  display: inline-block;
  width: 50px;
  height: 6px;
  border-radius: 3px;
  flex-shrink: 0;
}

.yao-line.yang {
  background: var(--yao-dark);
}

.yao-line.yin {
  background: linear-gradient(to right, var(--yao-dark) 45%, transparent 45%, transparent 55%, var(--yao-dark) 55%);
}

.yao-name {
  min-width: 45px;
  font-size: 0.85rem;
  color: var(--text-light);
}

.yao-text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text-body);
}

/* 体用分析 */
.analysis-section {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.ti-yong-box {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 14px;
}

.ti-yong-item {
  display: flex;
  align-items: center;
  padding: 6px 0;
  font-size: 0.95rem;
}

.ti-yong-item .label {
  min-width: 60px;
  color: var(--text-light);
}

.ti-yong-item span:last-child {
  color: var(--text-body);
  font-weight: 500;
}

.ti-yong-desc {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* 互卦 */
.hua-gua-display {
  text-align: center;
}

.gua-card-mini {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-radius: 10px;
  gap: 6px;
}

.gua-card-mini span:first-child {
  font-size: 2rem;
  letter-spacing: 4px;
}

.gua-card-mini span:last-child {
  font-size: 0.95rem;
  color: var(--text-body);
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}

/* 类象标签 */
.leixiang-box {
  padding: 0;
}

.leixiang-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--primary-lighter);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.9rem;
  margin: 4px;
}