/* ios_downgrade_assistant/frontend/css/tech-style.css */
:root {
  /* 暗色模式变量 (默认) */
  --bg-gradient-from: #0f1119;
  --bg-gradient-to: #1a1f2c;
  --text-primary: #e2e8f0;
  --text-secondary: #a0aec0;
  --border-primary: rgba(49, 130, 206, 0.5);
  --card-bg: rgba(26, 32, 44, 0.7);
  --card-border: rgba(49, 130, 206, 0.3);
  --highlight-cyan: #4fd1c5;
  --highlight-purple: #9f7aea;
  --highlight-blue: #4299e1;
  --highlight-green: #48bb78;
  --highlight-red: #f56565;
  --highlight-yellow: #ecc94b;
  --highlight-pink: #ed64a6;
  --neon-shadow-cyan: 0 0 5px rgba(79, 209, 197, 0.5), 0 0 20px rgba(79, 209, 197, 0.3);
  --neon-shadow-purple: 0 0 5px rgba(159, 122, 234, 0.5), 0 0 20px rgba(159, 122, 234, 0.3);
  --neon-shadow-blue: 0 0 5px rgba(66, 153, 225, 0.5), 0 0 20px rgba(66, 153, 225, 0.3);
  --neon-shadow-green: 0 0 5px rgba(72, 187, 120, 0.5), 0 0 20px rgba(72, 187, 120, 0.3);
  --neon-shadow-red: 0 0 5px rgba(245, 101, 101, 0.5), 0 0 20px rgba(245, 101, 101, 0.3);
  --neon-shadow-pink: 0 0 5px rgba(237, 100, 166, 0.5), 0 0 20px rgba(237, 100, 166, 0.3);
  --card-hover-transform: translateY(-5px);
  --card-hover-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --button-hover-glow: 0 0 15px rgba(49, 130, 206, 0.7);
}

.light-mode {
  /* 亮色模式变量 */
  --bg-gradient-from: #e2e8f0;
  --bg-gradient-to: #cbd5e0;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --border-primary: rgba(49, 130, 206, 0.3);
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(203, 213, 224, 0.8);
  --highlight-cyan: #319795;
  --highlight-purple: #6b46c1;
  --highlight-blue: #2b6cb0;
  --highlight-green: #2f855a;
  --highlight-red: #c53030;
  --highlight-yellow: #b7791f;
  --highlight-pink: #b83280;
  --neon-shadow-cyan: 0 0 5px rgba(49, 151, 149, 0.3), 0 0 15px rgba(49, 151, 149, 0.1);
  --neon-shadow-purple: 0 0 5px rgba(107, 70, 193, 0.3), 0 0 15px rgba(107, 70, 193, 0.1);
  --neon-shadow-blue: 0 0 5px rgba(43, 108, 176, 0.3), 0 0 15px rgba(43, 108, 176, 0.1);
  --neon-shadow-green: 0 0 5px rgba(47, 133, 90, 0.3), 0 0 15px rgba(47, 133, 90, 0.1);
  --neon-shadow-red: 0 0 5px rgba(197, 48, 48, 0.3), 0 0 15px rgba(197, 48, 48, 0.1);
  --neon-shadow-pink: 0 0 5px rgba(184, 50, 128, 0.3), 0 0 15px rgba(184, 50, 128, 0.1);
  --card-hover-transform: translateY(-5px);
  --card-hover-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  --button-hover-glow: 0 0 15px rgba(49, 130, 206, 0.4);
}

/* 全局样式 */
body, .tool-card, .glitch, .shadow-tech, .bg-gradient-to-r, .compatibility-badge, .modal, .result-box {
  transition: background 0.5s cubic-bezier(0.4,0,0.2,1), color 0.5s cubic-bezier(0.4,0,0.2,1), box-shadow 0.5s cubic-bezier(0.4,0,0.2,1), border-color 0.5s cubic-bezier(0.4,0,0.2,1);
}

body.light-mode {
  box-shadow: 0 0 40px 0 #b4e0ff inset;
}
body:not(.light-mode) {
  box-shadow: 0 0 60px 0 #1a1f2c inset;
}

#theme-toggle {
  box-shadow: 0 0 20px 2px var(--highlight-cyan), 0 0 40px 8px var(--highlight-blue);
  border: 2px solid var(--highlight-cyan);
  background: linear-gradient(135deg, var(--bg-gradient-from), var(--bg-gradient-to));
  transition: background 0.5s, box-shadow 0.5s, border-color 0.5s;
}
#theme-toggle:hover {
  box-shadow: 0 0 40px 8px var(--highlight-blue), 0 0 80px 16px var(--highlight-cyan);
  border-color: var(--highlight-blue);
}

body.light-mode #theme-toggle {
  box-shadow: 0 0 20px 2px var(--highlight-purple), 0 0 40px 8px var(--highlight-yellow);
  border: 2px solid var(--highlight-yellow);
  background: linear-gradient(135deg, var(--bg-gradient-from), var(--bg-gradient-to));
}
body.light-mode #theme-toggle:hover {
  box-shadow: 0 0 40px 8px var(--highlight-yellow), 0 0 80px 16px var(--highlight-purple);
  border-color: var(--highlight-purple);
}

body {
  background: linear-gradient(to bottom right, var(--bg-gradient-from), var(--bg-gradient-to));
  color: var(--text-primary);
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

/* 霓虹文字效果 */
.tech-subtitle {
  font-weight: 600;
  letter-spacing: 1px;
  text-shadow: 0 0 5px var(--highlight-cyan), 0 0 10px rgba(79, 209, 197, 0.5);
   2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
    text-shadow: 0 0 10px var(--highlight-cyan), 0 0 20px rgba(79, 209, 197, 0.7);
  }
  100% {
    opacity: 0.8;
  }
}

/* 按钮霓虹效果 */
.shadow-tech {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), 
              0 0 15px rgba(49, 130, 206, 0.2);
  transition: all 0.3s ease;
}

.shadow-tech:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 
              0 0 30px rgba(49, 130, 206, 0.4);
}

.shadow-neon-blue {
  box-shadow: var(--neon-shadow-blue);
}

.shadow-neon-cyan {
  box-shadow: var(--neon-shadow-cyan);
}

.shadow-neon-purple {
  box-shadow: var(--neon-shadow-purple);
}

.shadow-neon-green {
  box-shadow: var(--neon-shadow-green);
}

.shadow-neon-pink {
  box-shadow: var(--neon-shadow-pink);
}

/* 卡片悬停效果 */
.tool-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 1.5rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .tool-card {
    min-width: 420px;
    max-width: 540px;
  }
}

@media (min-width: 1024px) {
  .tool-card {
    min-width: 480px;
    max-width: 600px;
  }
}

.tool-card:hover {
  transform: var(--card-hover-transform);
  box-shadow: var(--card-hover-shadow);
  border-color: var(--highlight-blue);
}

/* 闪烁霓虹文字 */
.glitch-wrapper {
  position: relative;
  display: inline-block;
}

.glitch {
  position: relative;
  color: var(--text-primary);
  letter-spacing: 3px;
  text-shadow: 0 0 10px rgba(66, 153, 225, 0.8),
               0 0 20px rgba(66, 153, 225, 0.5);
  animation: glitch-skew 1s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.glitch::before {
  color: var(--highlight-cyan);
  animation: glitch-anim 5s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  transform: translate(-2px, -2px);
}

.glitch::after {
  color: var(--highlight-purple);
  animation: glitch-anim2 1s infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  transform: translate(2px, 2px);
}

@keyframes glitch-anim {
  0% {
    transform: translate(-2px, -2px);
  }
  20% {
    transform: translate(-3px, 2px);
  }
  40% {
    transform: translate(-1px, 1px);
  }
  60% {
    transform: translate(3px, -1px);
  }
  80% {
    transform: translate(2px, -3px);
  }
  100% {
    transform: translate(-2px, 2px);
  }
}

@keyframes glitch-anim2 {
  0% {
    transform: translate(2px, 2px);
  }
  20% {
    transform: translate(3px, -2px);
  }
  40% {
    transform: translate(1px, -1px);
  }
  60% {
    transform: translate(-3px, 1px);
  }
  80% {
    transform: translate(-2px, 3px);
  }
  100% {
    transform: translate(2px, -2px);
  }
}

@keyframes glitch-skew {
  0% {
    transform: skew(0deg);
  }
  10% {
    transform: skew(0.5deg);
  }
  20% {
    transform: skew(0.8deg);
  }
  30% {
    transform: skew(0.3deg);
  }
  40% {
    transform: skew(-0.4deg);
  }
  50% {
    transform: skew(0.5deg);
  }
  60% {
    transform: skew(0deg);
  }
  70% {
    transform: skew(0.7deg);
  }
  80% {
    transform: skew(-0.2deg);
  }
  90% {
    transform: skew(-0.6deg);
  }
  100% {
    transform: skew(0deg);
  }
}

/* 霓虹按钮效果 */
.bg-gradient-to-r {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.bg-gradient-to-r::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: inherit;
  filter: blur(10px);
  opacity: 0.7;
  z-index: -1;
  transition: all 0.3s ease;
}

.bg-gradient-to-r:hover::before {
  opacity: 0.9;
  filter: blur(15px);
}

/* 在暗黑模式下微调霓虹效果 */
.light-mode .glitch {
  text-shadow: 0 0 8px rgba(66, 153, 225, 0.5),
               0 0 15px rgba(66, 153, 225, 0.3);
}

/* 响应式设计增强 */
@media (max-width: 640px) {
  .glitch {
    letter-spacing: 2px;
    font-size: 1.75rem !important;
  }
  
  .tech-subtitle {
    font-size: 1.1rem !important;
  }
}

/* 设备检测评估徽章样式 */
.compatibility-badge {
  padding: 0.35em 0.65em;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.75rem;
  line-height: 1;
  white-space: nowrap;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.compatibility-badge-good {
  background-color: rgba(72, 187, 120, 0.2);
  color: var(--highlight-green);
  border: 1px solid rgba(72, 187, 120, 0.3);
}

.compatibility-badge-moderate {
  background-color: rgba(236, 201, 75, 0.2);
  color: var(--highlight-yellow);
  border: 1px solid rgba(236, 201, 75, 0.3);
}

.compatibility-badge-poor {
  background-color: rgba(245, 101, 101, 0.2);
  color: var(--highlight-red);
  border: 1px solid rgba(245, 101, 101, 0.3);
}

/* 激活/选中效果 */
.active-item {
  position: relative;
  border-color: var(--highlight-blue);
}

.active-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 2px solid var(--highlight-blue);
  border-radius: inherit;
  opacity: 0;
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  70% {
    transform: scale(1.05);
    opacity: 0;
  }
  100% {
    transform: scale(1.1);
    opacity: 0;
  }
}

/* 动态背景和粒子效果增强 */
#particles-js {
  background-color: transparent;
}