/* 
 * 萌寵時光 (Pet Moment) - 全站樣式
 * 設計風格：溫暖極簡主義 + 有機曲線美學
 * 色系：#FF9F43 (暖橙) + #FFF9F0 (奶油米) + #E8D5F2 (淡紫)
 */

:root {
  /* 主色系 */
  --primary-color: #FF9F43;
  --primary-light: #FFB366;
  --primary-dark: #E68A2F;
  
  /* 背景色 */
  --bg-primary: #FFF9F0;
  --bg-secondary: #F5F0E8;
  --bg-tertiary: #FFFFFF;
  
  /* 輔助色 */
  --accent-purple: #E8D5F2;
  --accent-green: #6FCF97;
  --accent-yellow: #FFD93D;
  --accent-red: #FF6B6B;
  
  /* 文字色 */
  --text-dark: #3D3D3D;
  --text-muted: #888888;
  --text-light: #FFFFFF;
  
  /* 邊框色 */
  --border-color: #E8D5F2;
  --border-light: #F5F0E8;
  
  /* 間距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* 圓角 */
  --radius-sm: 0.75rem;
  --radius-md: 1.5rem;
  --radius-lg: 2rem;
  --radius-xl: 2.5rem;
}

/* ===== 全局樣式 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-dark);
  font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.875rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.4;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ===== 按鈕樣式 ===== */
.btn {
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(255, 159, 67, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  box-shadow: 0 8px 25px rgba(255, 159, 67, 0.4);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: scale(0.95);
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--text-dark);
  border: 2px solid var(--border-color);
}

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

/* ===== 卡片樣式 ===== */
.card {
  background-color: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.card-header {
  background-color: transparent;
  border-bottom: none;
  padding: 0 0 var(--spacing-md) 0;
}

.card-body {
  padding: 0;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

/* ===== 表單樣式 ===== */
.form-control,
.form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  font-family: 'Noto Sans TC', sans-serif;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 159, 67, 0.25);
}

input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: var(--bg-secondary);
  outline: none;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255, 159, 67, 0.3);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(255, 159, 67, 0.3);
}

/* ===== 導覽列 ===== */
.navbar {
  background-color: var(--bg-tertiary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-nav .nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  transition: color 0.3s ease;
  margin: 0 0.5rem;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

/* ===== 進度指示器 ===== */
.progress-indicator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.progress-step {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: all 0.3s ease;
}

.progress-step.active {
  background-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(255, 159, 67, 0.3);
}

.progress-step.completed {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.progress-line {
  flex: 1;
  height: 4px;
  background-color: var(--bg-secondary);
  margin: 0 var(--spacing-sm);
  border-radius: 2px;
}

.progress-line.active {
  background-color: var(--primary-color);
}

/* ===== 標籤與徽章 ===== */
.badge {
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.badge-primary {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.badge-success {
  background-color: var(--accent-green);
  color: var(--text-light);
}

.badge-warning {
  background-color: var(--accent-yellow);
  color: var(--text-dark);
}

.badge-danger {
  background-color: var(--accent-red);
  color: var(--text-light);
}

/* ===== 動畫 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pawBounce {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(5deg);
  }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

.slide-down {
  animation: slideDown 0.3s ease-out;
}

.paw-bounce {
  animation: pawBounce 0.6s ease-in-out;
}

/* ===== 有機分隔線 ===== */
.divider-organic {
  width: 100%;
  height: 80px;
  margin: 2rem 0;
  background: url('data:image/svg+xml,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,40 Q300,20 600,40 T1200,40 L1200,120 L0,120 Z" fill="%23E8D5F2" opacity="0.3"/></svg>') no-repeat center;
  background-size: cover;
}

/* ===== 響應式設計 ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* ===== 頁尾 ===== */
footer {
  background-color: var(--text-dark);
  color: var(--text-light);
  padding: 2rem 0;
  text-align: center;
  margin-top: 3rem;
}

footer p {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

/* ===== 工具類 ===== */
.text-primary {
  color: var(--primary-color) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.bg-light {
  background-color: var(--bg-primary) !important;
}

.bg-secondary {
  background-color: var(--accent-purple) !important;
}

.rounded-lg {
  border-radius: var(--radius-lg) !important;
}

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

.shadow-md {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
}

.mt-lg {
  margin-top: var(--spacing-lg) !important;
}

.mb-lg {
  margin-bottom: var(--spacing-lg) !important;
}

.p-lg {
  padding: var(--spacing-lg) !important;
}

/* ===== 無障礙設計 ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===== 列印樣式 ===== */
@media print {
  body {
    background-color: white;
  }
  
  .no-print {
    display: none !important;
  }
}