/* 疑似特教生轉介前介入與轉介申請系統 - MUJI 無印良品風格樣式表 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

:root {
  /* MUJI 無印良品色彩系統 (Warm Earthy & Natural Palette) */
  --bg-main: #F9F8F5;          /* 暖亞麻白基底 */
  --bg-card: #FFFFFF;          /* 白陶色卡片背景 */
  --bg-subCard: #F4F2EB;       /* 淡木質暖灰子卡片 */
  --primary-color: #6E5844;    /* 沉穩木質褐 */
  --primary-hover: #564433;    /* 深木炭褐 */
  --primary-light: #F4F1EA;    /* 極淡木質暖色 */
  --secondary-color: #5A6B5C;  /* 和風苔綠 */
  --secondary-light: #EEF2ED;  /* 淡苔綠背景 */
  --accent-color: #A67C52;     /* 暖木赭色 */
  --text-main: #2B2621;        /* 深炭黑 */
  --text-muted: #78726A;       /* 溫暖暖灰 */
  --border-color: #E4E0D8;     /* 輕柔和紙灰 */
  --border-focus: #6E5844;     /* 聚焦木質邊框 */
  --error-color: #B94A48;      /* 柔和赭紅 */
  --success-color: #5A6B5C;    /* 和風綠 */
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --shadow-sm: 0 1px 2px rgba(43, 38, 33, 0.03);
  --shadow-md: 0 3px 10px rgba(43, 38, 33, 0.05);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.75;
  letter-spacing: 0.03em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* MUJI 風格頂部 Header */
header {
  background-color: #FAF8F5;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
  position: relative;
}

.header-container {
  max-width: 860px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background-color: var(--secondary-light);
  color: var(--secondary-color);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  margin-bottom: 1rem;
  border: 1px solid rgba(90, 107, 92, 0.2);
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.6rem;
  letter-spacing: 0.02em;
}

header p {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  font-weight: 400;
}

/* 主內容區域 */
main {
  flex: 1;
  max-width: 920px;
  width: 100%;
  margin: 2rem auto 4rem;
  padding: 0 1.25rem;
}

/* 提示與流程指引區塊 (MUJI極簡風) */
.guide-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
}

.guide-card h3 {
  color: var(--primary-color);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-card ul {
  padding-left: 1.25rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.guide-card li {
  margin-bottom: 0.35rem;
}

/* 表單容器與分區卡片 (無印良品自然質感平鋪) */
.form-section {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.form-section:hover {
  border-color: #D6D0C4;
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.section-number {
  background: var(--primary-color);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.section-title {
  font-size: 1.2rem;
  color: var(--text-main);
  font-weight: 700;
}

/* 子區塊與特色卡片 (MUJI極簡風) */
.sub-category-card {
  background: var(--bg-subCard);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  margin-bottom: 1.35rem;
}

.sub-category-title {
  color: var(--primary-color);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed #D8D2C6;
}

.feature-group {
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #EBE7DF;
}

.feature-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.feature-subtitle {
  color: var(--secondary-color);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.inline-other {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.inline-other label {
  font-size: 0.88rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.inline-other input {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  flex: 1;
  min-width: 200px;
}

/* 表單網格 Layout */
.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.25rem;
}

.col-12 { grid-column: span 12; }
.col-8  { grid-column: span 8; }
.col-6  { grid-column: span 6; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }

/* 表單群組與 Label */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-group label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
}

.required-star {
  color: var(--error-color);
  margin-left: 2px;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* Input, Select, Textarea 控制項 (MUJI柔和質感) */
input[type="text"],
input[type="date"],
input[type="tel"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 16px; /* 防止 iOS 縮放 */
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--text-main);
  transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(110, 88, 68, 0.12);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

/* Checkbox 客製化 (MUJI 質感木褐勾選框) */
.checkbox-grid, .radio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 0.4rem;
}

.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #FFFFFF;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--text-main);
  transition: var(--transition-fast);
  min-height: 44px;
}

.custom-checkbox:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
}

.custom-checkbox input {
  accent-color: var(--primary-color);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* 按鈕風格 (MUJI 木質感與純色) */
.btn-container {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2.2rem;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  letter-spacing: 0.05em;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
  background-color: #F4F1EA;
  border-color: #C9C3B6;
}

/* Modal 讀取視窗 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(43, 38, 33, 0.4);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 2.2rem 1.75rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--primary-light);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1.25rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.success-icon {
  width: 56px;
  height: 56px;
  background: var(--secondary-light);
  color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1rem;
}

.ref-code-box {
  background: var(--bg-main);
  border: 1px dashed var(--primary-color);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 2px;
  margin: 1rem 0;
  display: inline-block;
  word-break: break-all;
}

/* 頁尾 Footer */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
  background: #FAF8F5;
}

/* 📱 RWD 多級媒體查詢 (Responsive Media Queries) */
@media (max-width: 768px) {
  header {
    padding: 2.2rem 1rem 2rem;
  }
  header h1 {
    font-size: 1.55rem;
  }
  main {
    margin-top: 1.25rem;
    padding: 0 0.75rem;
  }
  .form-section {
    padding: 1.35rem 1rem;
  }
  .sub-category-card {
    padding: 1rem;
  }
  .col-8, .col-6, .col-4, .col-3 {
    grid-column: span 12;
  }
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
  .btn-container {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}