/* ==========================================
   2025 트렌드 테마 변수 시스템
   themes.css
   ========================================== */

/* 기본 테마 (Modern) - 기존 스타일 */
:root, [data-theme="modern"] {
  /* Colors */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-500: #06b6d4;
  --primary-600: #0891b2;
  --primary-700: #0e7490;
  
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Dynamic Variables */
  --bg-primary: var(--gray-50);
  --bg-secondary: #ffffff;
  --bg-surface: #ffffff;
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --border-color: var(--gray-200);
  --hover-bg: var(--gray-100);
  
  /* Effects */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --blur: 8px;
  --gradient: linear-gradient(135deg, var(--primary-600), var(--accent));
}

/* ==========================================
   1. CYBERPUNK THEME 🌆
   ========================================== */
[data-theme="cyberpunk"] {
  /* Neon Colors */
  --primary-50: #0f0f23;
  --primary-100: #1a1a2e;
  --primary-500: #00ff88;
  --primary-600: #00e676;
  --primary-700: #00c853;
  
  --gray-50: #0f0f23;
  --gray-100: #1a1a2e;
  --gray-200: #16213e;
  --gray-800: #00ff88;
  --gray-900: #ffffff;
  
  --accent: #ff0080;
  --success: #00ff88;
  --warning: #ffeb3b;
  --error: #ff1744;
  
  /* Dark Cyber Background */
  --bg-primary: #0a0a1a;
  --bg-secondary: #0f0f23;
  --bg-surface: linear-gradient(145deg, #1a1a2e, #16213e);
  --text-primary: #00ff88;
  --text-secondary: #64ffda;
  --border-color: #00ff88;
  --hover-bg: rgba(0, 255, 136, 0.1);
  
  /* Cyber Effects */
  --shadow-sm: 0 0 10px rgba(0, 255, 136, 0.3);
  --shadow-md: 0 0 20px rgba(0, 255, 136, 0.4);
  --shadow-lg: 0 0 30px rgba(0, 255, 136, 0.5);
  --blur: 15px;
  --gradient: linear-gradient(135deg, #00ff88, #ff0080, #ffeb3b);
  
  /* Glitch Animation Variables */
  --glitch-color-1: #00ff88;
  --glitch-color-2: #ff0080;
  --neon-glow: 0 0 5px currentColor, 0 0 10px currentColor, 0 0 15px currentColor;
}

/* ==========================================
   2. GLASSMORPHISM THEME 🔮
   ========================================== */
[data-theme="glassmorphism"] {
  /* Soft Glass Colors */
  --primary-50: #f0f9ff;
  --primary-100: rgba(224, 242, 254, 0.8);
  --primary-500: rgba(6, 182, 212, 0.8);
  --primary-600: rgba(8, 145, 178, 0.9);
  --primary-700: rgba(14, 116, 144, 1);
  
  --gray-50: rgba(248, 250, 252, 0.7);
  --gray-100: rgba(241, 245, 249, 0.6);
  --gray-200: rgba(226, 232, 240, 0.5);
  --gray-800: rgba(30, 41, 59, 0.9);
  --gray-900: rgba(15, 23, 42, 1);
  
  --accent: rgba(139, 92, 246, 0.8);
  --success: rgba(16, 185, 129, 0.8);
  --warning: rgba(245, 158, 11, 0.8);
  --error: rgba(239, 68, 68, 0.8);
  
  /* Glass Background */
  --bg-primary: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  --bg-secondary: rgba(255, 255, 255, 0.15);
  --bg-surface: rgba(255, 255, 255, 0.1);
  --text-primary: rgba(15, 23, 42, 0.9);
  --text-secondary: rgba(100, 116, 139, 0.8);
  --border-color: rgba(255, 255, 255, 0.2);
  --hover-bg: rgba(255, 255, 255, 0.2);
  
  /* Glass Effects */
  --shadow-sm: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.2);
  --blur: 20px;
  --gradient: linear-gradient(135deg, 
    rgba(6, 182, 212, 0.6), 
    rgba(139, 92, 246, 0.4), 
    rgba(236, 72, 153, 0.3));
}

/* ==========================================
   3. NEUMORPHISM THEME 🥚
   ========================================== */
[data-theme="neumorphism"] {
  /* Soft Neutral Colors */
  --primary-50: #f0f0f3;
  --primary-100: #e1e1e6;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  
  --gray-50: #f0f0f3;
  --gray-100: #e1e1e6;
  --gray-200: #d1d1d9;
  --gray-800: #2d2d30;
  --gray-900: #1a1a1c;
  
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Soft Background */
  --bg-primary: #f0f0f3;
  --bg-secondary: #f0f0f3;
  --bg-surface: #f0f0f3;
  --text-primary: #2d2d30;
  --text-secondary: #6b7280;
  --border-color: transparent;
  --hover-bg: #e8e8eb;
  
  /* Neumorphic Shadows */
  --shadow-sm: 6px 6px 12px #d1d1d9, -6px -6px 12px #ffffff;
  --shadow-md: 10px 10px 20px #d1d1d9, -10px -10px 20px #ffffff;
  --shadow-lg: 15px 15px 30px #d1d1d9, -15px -15px 30px #ffffff;
  --shadow-inset: inset 4px 4px 8px #d1d1d9, inset -4px -4px 8px #ffffff;
  --blur: 0px;
  --gradient: linear-gradient(145deg, #f0f0f3, #e1e1e6);
}

/* ==========================================
   4. BRUTALISM THEME ⚡
   ========================================== */
[data-theme="brutalism"] {
  /* High Contrast Colors */
  --primary-50: #ffffff;
  --primary-100: #ffff00;
  --primary-500: #000000;
  --primary-600: #333333;
  --primary-700: #000000;
  
  --gray-50: #ffffff;
  --gray-100: #ffff00;
  --gray-200: #ff0000;
  --gray-800: #000000;
  --gray-900: #000000;
  
  --accent: #ff0000;
  --success: #00ff00;
  --warning: #ffff00;
  --error: #ff0000;
  
  /* Bold Background */
  --bg-primary: #ffffff;
  --bg-secondary: #ffff00;
  --bg-surface: #ffffff;
  --text-primary: #000000;
  --text-secondary: #333333;
  --border-color: #000000;
  --hover-bg: #ffff00;
  
  /* Bold Effects */
  --shadow-sm: 4px 4px 0px #000000;
  --shadow-md: 8px 8px 0px #000000;
  --shadow-lg: 12px 12px 0px #000000;
  --blur: 0px;
  --gradient: linear-gradient(90deg, #ffff00, #ff0000, #00ff00);
  
  /* Brutalist Typography */
  --font-weight-normal: 800;
  --font-weight-bold: 900;
  --border-width: 3px;
}

/* ==========================================
   5. ORGANIC THEME 🌿
   ========================================== */
[data-theme="organic"] {
  /* Natural Colors */
  --primary-50: #f0fdf4;
  --primary-100: #dcfce7;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  --primary-700: #15803d;
  
  --gray-50: #fefefe;
  --gray-100: #f7f7f7;
  --gray-200: #e8e8e8;
  --gray-800: #2f2f2f;
  --gray-900: #1a1a1a;
  
  --accent: #f59e0b;
  --success: #22c55e;
  --warning: #eab308;
  --error: #dc2626;
  
  /* Natural Background */
  --bg-primary: radial-gradient(ellipse at top, #f0fdf4, #fefefe);
  --bg-secondary: #fefefe;
  --bg-surface: rgba(255, 255, 255, 0.9);
  --text-primary: #1a1a1a;
  --text-secondary: #525252;
  --border-color: rgba(34, 197, 94, 0.2);
  --hover-bg: rgba(34, 197, 94, 0.05);
  
  /* Organic Effects */
  --shadow-sm: 0 2px 8px rgba(34, 197, 94, 0.1);
  --shadow-md: 0 4px 16px rgba(34, 197, 94, 0.15);
  --shadow-lg: 0 8px 24px rgba(34, 197, 94, 0.2);
  --blur: 12px;
  --gradient: radial-gradient(circle, #22c55e, #16a34a, #f59e0b);
  
  /* Organic Curves */
  --border-radius-sm: 20px;
  --border-radius-md: 30px;
  --border-radius-lg: 40px;
}

/* ==========================================
   테마별 특수 효과
   ========================================== */

/* Cyberpunk Glitch Effect */
[data-theme="cyberpunk"] .board-title {
  text-shadow: var(--neon-glow);
  animation: glitch 2s infinite;
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

/* Glassmorphism Backdrop */
[data-theme="glassmorphism"] .post-item,
[data-theme="glassmorphism"] .modern-write-container .form-section {
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--border-color);
}

/* Neumorphism Soft Shadows */
[data-theme="neumorphism"] .post-item {
  box-shadow: var(--shadow-md);
  border: none;
}

[data-theme="neumorphism"] .post-item:hover {
  box-shadow: var(--shadow-inset);
}

/* Brutalism Bold Borders */
[data-theme="brutalism"] .post-item,
[data-theme="brutalism"] .form-input,
[data-theme="brutalism"] .btn {
  border: var(--border-width, 3px) solid var(--border-color);
  border-radius: 0;
  font-weight: var(--font-weight-normal, 800);
}

[data-theme="brutalism"] .board-title {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 900;
}

/* Organic Rounded Corners */
[data-theme="organic"] .post-item,
[data-theme="organic"] .form-input,
[data-theme="organic"] .btn {
  border-radius: var(--border-radius-lg, 40px);
}

[data-theme="organic"] .category-badge,
[data-theme="organic"] .tag-item {
  border-radius: 50px;
}

/* ==========================================
   다크모드 호환성
   ========================================== */

/* Cyberpunk는 기본적으로 다크 */
[data-theme="cyberpunk"] {
  color-scheme: dark;
}

/* Glassmorphism 다크모드 */
[data-theme="glassmorphism"][data-dark="true"] {
  --bg-primary: linear-gradient(135deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.1));
  --bg-secondary: rgba(0, 0, 0, 0.2);
  --bg-surface: rgba(0, 0, 0, 0.15);
  --text-primary: rgba(255, 255, 255, 0.9);
  --text-secondary: rgba(203, 213, 225, 0.8);
}

/* Neumorphism 다크모드 */
[data-theme="neumorphism"][data-dark="true"] {
  --bg-primary: #2d2d30;
  --bg-secondary: #2d2d30;
  --bg-surface: #2d2d30;
  --text-primary: #f0f0f3;
  --text-secondary: #9ca3af;
  --shadow-sm: 6px 6px 12px #1a1a1c, -6px -6px 12px #404043;
  --shadow-md: 10px 10px 20px #1a1a1c, -10px -10px 20px #404043;
  --shadow-lg: 15px 15px 30px #1a1a1c, -15px -15px 30px #404043;
}

/* ==========================================
   반응형 테마 조정
   ========================================== */

@media (max-width: 768px) {
  [data-theme="cyberpunk"] {
    --blur: 10px;
  }
  
  [data-theme="glassmorphism"] {
    --blur: 15px;
  }
  
  [data-theme="neumorphism"] {
    --shadow-md: 6px 6px 12px #d1d1d9, -6px -6px 12px #ffffff;
  }
  
  [data-theme="organic"] {
    --border-radius-lg: 25px;
  }
}

/* ==========================================
   접근성 고려사항
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  [data-theme="cyberpunk"] .board-title {
    animation: none;
  }
}

@media (prefers-contrast: high) {
  [data-theme="glassmorphism"] {
    --bg-surface: rgba(255, 255, 255, 0.9);
    --border-color: rgba(0, 0, 0, 0.3);
  }
}