/* ===== 台股追蹤工具 - 現代化樣式表 ===== */

/* CSS變數系統 */
:root {
  /* 主色調 */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #ec4899;
  --secondary-dark: #db2777;
  --accent: #10b981;
  --accent-dark: #059669;
  
  /* 背景色調 */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.05);
  
  /* 文字色調 */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  /* 狀態色調 */
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  
  /* 邊框和陰影 */
  --border-primary: rgba(99, 102, 241, 0.2);
  --border-secondary: rgba(148, 163, 184, 0.1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* 動畫時間 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* 間距系統 */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* 圓角系統 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

/* ===== 基礎重設 ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* 動態背景裝飾 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ===== Header 導航 ===== */
.modern-header {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-secondary);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-md) var(--space-xl);
  transition: all var(--transition-normal);
}

.modern-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.logo:hover {
  transform: translateY(-2px);
  color: var(--primary-light);
}

.logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
}

/* 導航樣式 */
.modern-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  list-style: none;
}

.nav-links button,
.nav-links a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  min-height: 40px;
  position: relative;
  overflow: hidden;
}

.nav-links button::before,
.nav-links a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.nav-links button:hover::before,
.nav-links a:hover::before {
  left: 100%;
}

.nav-links button:hover,
.nav-links a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

/* 手機版漢堡按鈕 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.mobile-menu-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  transform: scale(1.05);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
  background: var(--primary);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
  background: var(--primary);
}

/* 側邊菜單 */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -380px;
  width: 320px;
  height: 100vh;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  backdrop-filter: blur(20px) saturate(180%);
  border-left: 1px solid var(--border-primary);
  z-index: 10000;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.mobile-menu::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: 
    radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--border-secondary);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
}

.mobile-menu-title {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-menu-close {
  background: var(--bg-glass);
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
  font-size: 1.125rem;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.mobile-menu-close:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
  transform: scale(1.1);
}

.mobile-menu-content {
  padding: var(--space-lg) 0;
  overflow-y: auto;
  height: calc(100vh - 100px);
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  border-left: 3px solid transparent;
  position: relative;
}

.mobile-menu-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  transition: width var(--transition-normal);
  opacity: 0.1;
}

.mobile-menu-item:hover::before {
  width: 100%;
}

.mobile-menu-item:hover {
  color: var(--primary-light);
  border-left-color: var(--primary);
  padding-left: calc(var(--space-xl) + var(--space-sm));
  background: var(--bg-glass);
}

.menu-icon {
  font-size: 1.25rem;
  width: 28px;
  text-align: center;
  transition: transform var(--transition-normal);
}

.mobile-menu-item:hover .menu-icon {
  transform: scale(1.2);
}

.mobile-menu-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-primary), transparent);
  margin: var(--space-lg) var(--space-xl);
  opacity: 0.5;
}

/* 浮動按鈕 */
.floating-menu {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.4);
  transition: all var(--transition-normal);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.floating-menu::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  border-radius: var(--radius-full);
  z-index: -1;
  animation: rotate 3s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.floating-menu:hover::before {
  opacity: 1;
}

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

.floating-menu:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.6);
}

.floating-icon {
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  transition: transform var(--transition-normal);
}

.floating-menu.active .floating-icon {
  transform: rotate(135deg);
}

.floating-options {
  position: absolute;
  bottom: 80px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: all var(--transition-slow);
  pointer-events: none;
}

.floating-menu.active .floating-options {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.floating-option {
  width: 52px;
  height: 52px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.floating-option::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  opacity: 0;
  transition: opacity var(--transition-normal);
  border-radius: var(--radius-full);
}

.floating-option:hover::before {
  opacity: 1;
}

.floating-option:hover {
  transform: scale(1.15) translateX(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.floating-option span {
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
  transition: transform var(--transition-normal);
}

.floating-option:hover span {
  transform: scale(1.1);
}

/* 背景遮罩 */
.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px) saturate(120%);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== 通用組件 ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-2xl) 0;
}

/* 卡片組件 */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(20px) saturate(180%);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.card:hover::before {
  left: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.15);
  border-color: var(--border-primary);
}

/* 按鈕組件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-height: 44px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(236, 72, 153, 0.3);
}

.btn-outline {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-2px);
}

/* 表單元素 */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* 主要內容區域 */
.main-content {
  padding: var(--space-2xl) 0;
  min-height: calc(100vh - 80px);
}

.hero-section {
  text-align: center;
  padding: var(--space-2xl) 0;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 投資工具表格 */
.investment-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.investment-table th,
.investment-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-secondary);
}

.investment-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

.investment-table tr:hover {
  background: var(--bg-glass);
}

.status-up {
  color: var(--success);
}

.status-down {
  color: var(--danger);
}

.status-neutral {
  color: var(--text-muted);
}

/* 載入動畫 */
.loading {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-secondary);
  border-top: 2px solid var(--primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

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

/* ===== 響應式設計 ===== */
@media (max-width: 768px) {
  .modern-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .header-content {
    flex-wrap: wrap;
  }
  
  .modern-nav {
    display: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .floating-menu {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }
  
  .floating-icon {
    font-size: 1.25rem;
  }
  
  .floating-option {
    width: 48px;
    height: 48px;
  }
  
  .floating-option span {
    font-size: 1.125rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

@media (min-width: 769px) {
  .mobile-menu,
  .floating-menu,
  .menu-overlay {
    display: none;
  }
}

/* ===== 滾動條美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* 通知系統 */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 10001;
  backdrop-filter: blur(20px);
  max-width: 400px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  border-color: var(--success);
  background: var(--success-bg);
}

.notification.error {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.notification.warning {
  border-color: var(--warning);
  background: var(--warning-bg);
}

.notification.info {
  border-color: var(--info);
  background: var(--info-bg);
}