/* ============================================
   Abyss Sovereign - 深淵寧靜主義設計系統
   ============================================ */

:root {
  /* 核心色系 */
  --abyss-midnight: #001B3A;
  --abyss-cyan: #00F2FF;
  --abyss-silver: #E1E8ED;
  --abyss-green: #004B49;
  --abyss-dark-bg: #0A1420;
  --abyss-card-bg: rgba(10, 20, 32, 0.6);
  
  /* 漸變色 */
  --abyss-cyan-light: #00D9E6;
  --abyss-cyan-dark: #00B8D4;
}

* {
  box-sizing: border-box;
}

html, body {
  background-color: var(--abyss-midnight);
  color: var(--abyss-silver);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================
   字體定義
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

.font-display {
  font-family: 'Poppins', sans-serif;
}

/* ============================================
   通用組件樣式
   ============================================ */

/* 卡片組件 */
.abyss-card {
  background-color: var(--abyss-card-bg);
  border: 1px solid rgba(0, 242, 255, 0.2);
  border-radius: 0.75rem;
  backdrop-filter: blur(10px);
  padding: 2rem;
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.1), inset 0 0 20px rgba(0, 242, 255, 0.05);
  transition: all 0.3s ease;
}

.abyss-card:hover {
  border-color: rgba(0, 242, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 242, 255, 0.2), inset 0 0 30px rgba(0, 242, 255, 0.1);
  transform: translateY(-4px);
}

/* 按鈕樣式 */
.abyss-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--abyss-cyan);
  background-color: var(--abyss-cyan);
  color: var(--abyss-midnight);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.abyss-btn:hover {
  background-color: rgba(0, 242, 255, 0.9);
  box-shadow: 0 0 25px rgba(0, 242, 255, 0.5), 0 10px 20px rgba(0, 242, 255, 0.2);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--abyss-midnight);
}

.abyss-btn:active {
  transform: translateY(2px);
}

.abyss-btn-outline {
  background-color: transparent;
  color: var(--abyss-cyan);
  border: 1px solid rgba(0, 242, 255, 0.5);
}

.abyss-btn-outline:hover {
  background-color: rgba(0, 242, 255, 0.1);
  border-color: var(--abyss-cyan);
}

/* 發光效果 */
.abyss-glow {
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.4), inset 0 0 20px rgba(0, 242, 255, 0.1);
}

.abyss-text-glow {
  color: var(--abyss-cyan);
  text-shadow: 0 0 10px rgba(0, 242, 255, 0.5);
}

/* ============================================
   導航欄
   ============================================ */

.navbar-abyss {
  background-color: rgba(0, 27, 58, 0.8) !important;
  border-bottom: 1px solid rgba(0, 242, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
}

.navbar-abyss .navbar-brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--abyss-cyan) !important;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-abyss .navbar-brand::before {
  content: '';
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background-color: rgba(0, 242, 255, 0.3);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.4);
}

.navbar-abyss .nav-link {
  color: var(--abyss-silver) !important;
  transition: color 0.3s ease;
  font-size: 0.875rem;
}

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

/* ============================================
   動畫效果
   ============================================ */

@keyframes float-up {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 25px rgba(0, 242, 255, 0.6);
  }
}

@keyframes bubble-rise {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-100vh);
  }
}

@keyframes wave-refraction {
  0% {
    filter: blur(0px) brightness(1);
  }
  50% {
    filter: blur(2px) brightness(1.1);
  }
  100% {
    filter: blur(0px) brightness(1);
  }
}

.animate-float-up {
  animation: float-up 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

.animate-bubble-rise {
  animation: bubble-rise 8s ease-in forwards;
}

.animate-wave-refraction {
  animation: wave-refraction 4s ease-in-out infinite;
}

/* ============================================
   背景與佈局
   ============================================ */

.bg-abyss-midnight {
  background-color: var(--abyss-midnight);
}

.bg-abyss-dark {
  background-color: var(--abyss-dark-bg);
}

.bg-gradient-abyss {
  background: linear-gradient(135deg, var(--abyss-midnight) 0%, var(--abyss-dark-bg) 100%);
}

.text-abyss-cyan {
  color: var(--abyss-cyan);
}

.text-abyss-silver {
  color: var(--abyss-silver);
}

.text-abyss-green {
  color: var(--abyss-green);
}

.border-abyss-cyan {
  border-color: rgba(0, 242, 255, 0.2);
}

/* ============================================
   表單元素
   ============================================ */

.form-control {
  background-color: rgba(0, 27, 58, 0.5);
  border: 1px solid rgba(0, 242, 255, 0.3);
  color: var(--abyss-silver);
  border-radius: 0.5rem;
}

.form-control:focus {
  background-color: rgba(0, 27, 58, 0.7);
  border-color: var(--abyss-cyan);
  color: var(--abyss-silver);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
}

.form-control::placeholder {
  color: rgba(225, 232, 237, 0.4);
}

.form-select {
  background-color: rgba(0, 27, 58, 0.5);
  border: 1px solid rgba(0, 242, 255, 0.3);
  color: var(--abyss-silver);
}

.form-select:focus {
  background-color: rgba(0, 27, 58, 0.7);
  border-color: var(--abyss-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
}

.form-check-input {
  background-color: rgba(0, 27, 58, 0.5);
  border: 1px solid rgba(0, 242, 255, 0.3);
}

.form-check-input:checked {
  background-color: var(--abyss-cyan);
  border-color: var(--abyss-cyan);
}

/* ============================================
   進度條
   ============================================ */

.progress {
  background-color: rgba(0, 242, 255, 0.1);
  border-radius: 0.5rem;
  height: 0.5rem;
}

.progress-bar {
  background-color: var(--abyss-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.5);
}

/* ============================================
   表格
   ============================================ */

.table {
  color: var(--abyss-silver);
  border-color: rgba(0, 242, 255, 0.1);
}

.table thead {
  border-color: rgba(0, 242, 255, 0.3);
}

.table thead th {
  color: var(--abyss-cyan);
  border-color: rgba(0, 242, 255, 0.3);
}

.table tbody tr {
  border-color: rgba(0, 242, 255, 0.1);
}

.table tbody tr:hover {
  background-color: rgba(0, 242, 255, 0.05);
}

/* ============================================
   響應式設計
   ============================================ */

@media (max-width: 768px) {
  .abyss-card {
    padding: 1.5rem;
  }
  
  .font-display {
    font-size: 1.5rem;
  }
}

/* ============================================
   工具類
   ============================================ */

.opacity-60 {
  opacity: 0.6;
}

.opacity-80 {
  opacity: 0.8;
}

.rounded-lg {
  border-radius: 0.75rem;
}

.shadow-lg {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.gap-3 {
  gap: 1rem;
}

.gap-4 {
  gap: 1.5rem;
}