/* ═══════════════════════════════════════════════════
   栖川工具箱 — Design System 2026
   Awwwards-level · Glassmorphism · Sora Font
   ═══════════════════════════════════════════════════ */

/* ── 字体引入 ── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── 全局基础 ── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
  background: #f0f2ff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.dark body { background: #080c18; }

/* JetBrains Mono 覆盖所有等宽场景 */
.font-mono, code, pre,
[class*="font-mono"],
input[type="text"][class*="font-mono"],
input[type="tel"][class*="font-mono"],
input[type="number"][class*="font-mono"] {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace !important;
}

/* ── 层叠上下文：确保内容在 mesh 之上 ── */
header, main, footer, #toast { position: relative; z-index: 1; }

/* ═══════════════════════════════════
   背景网格渐变
   ═══════════════════════════════════ */
.bg-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 75% 55% at 8% 4%,   rgba(99,102,241,0.09) 0%, transparent 55%),
    radial-gradient(ellipse 60% 45% at 92% 88%,  rgba(139,92,246,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 45% 35% at 52% 42%,  rgba(6,182,212,0.04) 0%, transparent 55%);
}
.dark .bg-mesh {
  background:
    radial-gradient(ellipse 75% 55% at 8% 4%,   rgba(99,102,241,0.16) 0%, transparent 55%),
    radial-gradient(ellipse 60% 45% at 92% 88%,  rgba(139,92,246,0.11) 0%, transparent 50%),
    radial-gradient(ellipse 45% 35% at 62% 28%,  rgba(6,182,212,0.07) 0%, transparent 55%);
}

/* ═══════════════════════════════════
   玻璃顶栏
   ═══════════════════════════════════ */
.glass-header {
  background: rgba(248,249,255,0.90) !important;
  backdrop-filter: blur(24px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(200%) !important;
  border-bottom: 1px solid rgba(99,102,241,0.09) !important;
  box-shadow: 0 1px 0 rgba(99,102,241,0.05), 0 4px 20px rgba(0,0,0,0.04) !important;
}
.dark .glass-header {
  background: rgba(8,12,24,0.92) !important;
  border-bottom-color: rgba(255,255,255,0.06) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04), 0 4px 24px rgba(0,0,0,0.35) !important;
}

/* ═══════════════════════════════════
   玻璃卡片（页面主容器）
   ═══════════════════════════════════ */
.glass-card {
  background: rgba(255,255,255,0.88) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
  border: 1px solid rgba(255,255,255,0.80) !important;
  box-shadow:
    0 0 0 0.5px rgba(99,102,241,0.06),
    0 2px 8px rgba(0,0,0,0.04),
    0 16px 40px rgba(99,102,241,0.07) !important;
  border-radius: 20px !important;
}
.dark .glass-card {
  background: rgba(14,19,38,0.78) !important;
  border-color: rgba(255,255,255,0.07) !important;
  box-shadow:
    0 0 0 0.5px rgba(255,255,255,0.04),
    0 2px 8px rgba(0,0,0,0.28),
    0 16px 40px rgba(0,0,0,0.24) !important;
}

/* ═══════════════════════════════════
   首页工具卡片
   ═══════════════════════════════════ */
.tool-card {
  position: relative;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.80);
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 14px rgba(99,102,241,0.07);
  transition: transform 0.28s cubic-bezier(0.34, 1.3, 0.64, 1),
              box-shadow 0.28s ease,
              border-color 0.2s ease;
  overflow: hidden;
  text-decoration: none !important;
  animation: cardIn 0.45s cubic-bezier(0.34, 1.1, 0.64, 1) both;
}
.dark .tool-card {
  background: rgba(14,19,38,0.80);
  border-color: rgba(255,255,255,0.07);
  box-shadow: 0 1px 3px rgba(0,0,0,0.22), 0 4px 14px rgba(0,0,0,0.18);
}
.tool-card:hover {
  border-color: rgba(99,102,241,0.30);
  box-shadow: 0 8px 32px rgba(99,102,241,0.15), 0 2px 8px rgba(0,0,0,0.06);
  transform: translateY(-5px) scale(1.02);
}
.dark .tool-card:hover {
  border-color: rgba(99,102,241,0.38);
  box-shadow: 0 8px 32px rgba(99,102,241,0.20), 0 2px 8px rgba(0,0,0,0.32);
}
.tool-card:active { transform: translateY(-2px) scale(0.99); }

/* 工具卡片图标 hover 弹跳 */
.tool-icon-box {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}
.tool-card:hover .tool-icon-box {
  transform: scale(1.14) rotate(-5deg) !important;
}

/* ═══════════════════════════════════
   Logo 渐变文字
   ═══════════════════════════════════ */
.logo-text {
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 55%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ═══════════════════════════════════
   返回链接
   ═══════════════════════════════════ */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(99,102,241,0.85) !important;
  padding: 6px 10px;
  margin: -6px -10px;
  border-radius: 10px;
  transition: gap 0.15s ease, background 0.15s ease, color 0.15s ease;
  text-decoration: none !important;
}
.back-link:hover {
  color: #6366f1 !important;
  background: rgba(99,102,241,0.08);
  gap: 9px;
}
.dark .back-link { color: rgba(129,140,248,0.85) !important; }
.dark .back-link:hover { color: #818cf8 !important; background: rgba(99,102,241,0.13); }

/* ═══════════════════════════════════
   主题切换按钮
   ═══════════════════════════════════ */
.theme-btn {
  background: rgba(255,255,255,0.65) !important;
  border: 1px solid rgba(0,0,0,0.07) !important;
  backdrop-filter: blur(8px) !important;
  transition: background 0.15s ease, box-shadow 0.15s ease !important;
}
.theme-btn:hover {
  background: rgba(255,255,255,0.95) !important;
  box-shadow: 0 2px 8px rgba(99,102,241,0.12) !important;
}
.dark .theme-btn {
  background: rgba(255,255,255,0.07) !important;
  border-color: rgba(255,255,255,0.11) !important;
}
.dark .theme-btn:hover {
  background: rgba(255,255,255,0.14) !important;
}

/* ═══════════════════════════════════
   输入框全局升级（glass-card 内）
   ═══════════════════════════════════ */
.glass-card input[type="text"],
.glass-card input[type="number"],
.glass-card input[type="tel"],
.glass-card input[type="email"],
.glass-card input[type="url"],
.glass-card input[type="search"],
.glass-card textarea,
.glass-card select {
  background: rgba(255,255,255,0.72) !important;
  border-color: rgba(99,102,241,0.12) !important;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}
.glass-card input[type="text"]:focus,
.glass-card input[type="number"]:focus,
.glass-card input[type="tel"]:focus,
.glass-card input[type="email"]:focus,
.glass-card input[type="url"]:focus,
.glass-card textarea:focus,
.glass-card select:focus {
  background: rgba(255,255,255,0.96) !important;
  border-color: rgba(99,102,241,0.45) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.09), 0 2px 8px rgba(0,0,0,0.04) !important;
  outline: none !important;
}
.dark .glass-card input[type="text"],
.dark .glass-card input[type="number"],
.dark .glass-card input[type="tel"],
.dark .glass-card input[type="email"],
.dark .glass-card input[type="url"],
.dark .glass-card textarea,
.dark .glass-card select {
  background: rgba(255,255,255,0.05) !important;
  border-color: rgba(255,255,255,0.09) !important;
  color: #f1f5f9 !important;
}
.dark .glass-card input:focus,
.dark .glass-card textarea:focus,
.dark .glass-card select:focus {
  background: rgba(255,255,255,0.09) !important;
  border-color: rgba(99,102,241,0.5) !important;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15) !important;
}
.dark .glass-card input::placeholder,
.dark .glass-card textarea::placeholder {
  color: rgba(148,163,184,0.45) !important;
}

/* ═══════════════════════════════════
   主要按钮升级（indigo 系）
   ═══════════════════════════════════ */
.glass-card button.bg-indigo-500,
.glass-card .bg-indigo-500[type="button"],
.glass-card a.bg-indigo-500 {
  background: linear-gradient(135deg, #6366f1 0%, #7c3aed 100%) !important;
  box-shadow: 0 2px 10px rgba(99,102,241,0.32), 0 1px 2px rgba(0,0,0,0.08) !important;
  border: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease !important;
}
.glass-card button.bg-indigo-500:hover,
.glass-card a.bg-indigo-500:hover {
  box-shadow: 0 4px 18px rgba(99,102,241,0.42), 0 2px 4px rgba(0,0,0,0.08) !important;
  transform: translateY(-1px);
  filter: brightness(1.06);
}
.glass-card button.bg-indigo-500:active {
  transform: scale(0.97) !important;
  box-shadow: 0 1px 6px rgba(99,102,241,0.3) !important;
}

/* ═══════════════════════════════════
   次要按钮升级（gray 系）
   ═══════════════════════════════════ */
.glass-card button.bg-gray-100,
.glass-card button.bg-gray-700 {
  transition: background 0.15s ease, box-shadow 0.15s ease !important;
}

/* ═══════════════════════════════════
   结果信息格（info cell）
   ═══════════════════════════════════ */
.glass-card .p-3.bg-gray-50 {
  background: rgba(99,102,241,0.04) !important;
  border: 1px solid rgba(99,102,241,0.08) !important;
  transition: background 0.15s ease, border-color 0.15s ease !important;
}
.glass-card .p-3.bg-gray-50:hover {
  background: rgba(99,102,241,0.07) !important;
  border-color: rgba(99,102,241,0.15) !important;
}
.dark .glass-card .p-3.bg-gray-50 {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.07) !important;
}
.dark .glass-card .p-3.bg-gray-50:hover {
  background: rgba(255,255,255,0.07) !important;
  border-color: rgba(99,102,241,0.2) !important;
}

/* 二进制/全宽结果格 */
.glass-card .bg-gray-50.rounded-xl {
  background: rgba(99,102,241,0.03) !important;
  border: 1px solid rgba(99,102,241,0.07) !important;
}
.dark .glass-card .bg-gray-50.rounded-xl {
  background: rgba(255,255,255,0.03) !important;
  border-color: rgba(255,255,255,0.06) !important;
}

/* ═══════════════════════════════════
   分割线
   ═══════════════════════════════════ */
.glass-card .border-t {
  border-color: rgba(99,102,241,0.08) !important;
}
.dark .glass-card .border-t {
  border-color: rgba(255,255,255,0.07) !important;
}

/* ═══════════════════════════════════
   提示框（info tips）
   ═══════════════════════════════════ */
.glass-card .bg-blue-50 {
  background: rgba(99,102,241,0.06) !important;
  border-color: rgba(99,102,241,0.14) !important;
}
.dark .glass-card .bg-blue-50 {
  background: rgba(99,102,241,0.10) !important;
  border-color: rgba(99,102,241,0.22) !important;
}
.glass-card .bg-blue-50 h3,
.glass-card .bg-blue-50 .text-blue-700 {
  color: #6366f1 !important;
}
.glass-card .bg-blue-50 li,
.glass-card .bg-blue-50 .text-blue-600 {
  color: rgba(99,102,241,0.85) !important;
}
.dark .glass-card .bg-blue-50 h3,
.dark .glass-card .bg-blue-50 .text-blue-300 {
  color: #818cf8 !important;
}
.dark .glass-card .bg-blue-50 li,
.dark .glass-card .bg-blue-50 .text-blue-400 {
  color: rgba(129,140,248,0.80) !important;
}

/* ═══════════════════════════════════
   示例/快捷标签按钮
   ═══════════════════════════════════ */
.glass-card .example-btn,
.glass-card .rmb-quick-btn,
.glass-card .ip-quick-btn,
.glass-card .dns-example-btn,
.glass-card .unit-quick-btn,
.glass-card .dns-type-btn,
.glass-card .unit-cat-btn {
  transition: all 0.15s cubic-bezier(0.34, 1.3, 0.64, 1) !important;
}
.glass-card .example-btn:hover,
.glass-card .rmb-quick-btn:hover,
.glass-card .ip-quick-btn:hover,
.glass-card .dns-example-btn:hover,
.glass-card .unit-quick-btn:hover {
  transform: scale(1.05) !important;
}

/* ═══════════════════════════════════
   渐变主 IP 显示区
   ═══════════════════════════════════ */
.glass-card .from-indigo-50 {
  background: linear-gradient(135deg, rgba(99,102,241,0.07), rgba(139,92,246,0.05)) !important;
  border-color: rgba(99,102,241,0.14) !important;
}
.dark .glass-card .from-indigo-950\/40 {
  background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(139,92,246,0.08)) !important;
  border-color: rgba(99,102,241,0.2) !important;
}

/* ═══════════════════════════════════
   Toast 通知
   ═══════════════════════════════════ */
#toast {
  position: fixed;
  top: 72px;
  right: 16px;
  z-index: 200;
  transform: translateX(calc(100% + 2rem));
  transition: transform 0.36s cubic-bezier(0.34, 1.4, 0.64, 1);
}
#toast.show {
  transform: translateX(0);
}
#toast > div {
  background: rgba(15,20,40,0.92) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,0.24), 0 1px 4px rgba(0,0,0,0.12) !important;
  border-radius: 14px !important;
  color: #f1f5f9 !important;
}
.dark #toast > div {
  background: rgba(255,255,255,0.92) !important;
  border-color: rgba(0,0,0,0.06) !important;
  color: #1e293b !important;
}

/* ═══════════════════════════════════
   页面入场动画
   ═══════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes cardIn {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel {
  animation: fadeUp 0.42s cubic-bezier(0.34, 1.1, 0.64, 1) both;
}

/* 首页卡片错列动画 */
.tool-card:nth-child(1)  { animation-delay: 30ms; }
.tool-card:nth-child(2)  { animation-delay: 65ms; }
.tool-card:nth-child(3)  { animation-delay: 100ms; }
.tool-card:nth-child(4)  { animation-delay: 135ms; }
.tool-card:nth-child(5)  { animation-delay: 170ms; }
.tool-card:nth-child(6)  { animation-delay: 205ms; }
.tool-card:nth-child(7)  { animation-delay: 240ms; }
.tool-card:nth-child(8)  { animation-delay: 275ms; }
.tool-card:nth-child(9)  { animation-delay: 310ms; }
.tool-card:nth-child(10) { animation-delay: 345ms; }
.tool-card:nth-child(11) { animation-delay: 380ms; }
.tool-card:nth-child(12) { animation-delay: 415ms; }
.tool-card:nth-child(13) { animation-delay: 450ms; }

/* 首页 Hero 区动画 */
.hero-tag   { animation: heroFadeIn 0.5s 0ms  cubic-bezier(0.34, 1.1, 0.64, 1) both; }
.hero-title { animation: heroFadeIn 0.5s 80ms cubic-bezier(0.34, 1.1, 0.64, 1) both; }
.hero-desc  { animation: heroFadeIn 0.5s 150ms cubic-bezier(0.34, 1.1, 0.64, 1) both; }

/* ═══════════════════════════════════
   番茄钟环
   ═══════════════════════════════════ */
.timer-ring { transition: stroke-dashoffset 1s linear; }

/* ═══════════════════════════════════
   待办事项
   ═══════════════════════════════════ */
.todo-item .item-actions { opacity: 0; transition: opacity 0.18s ease; }
.todo-item:hover .item-actions { opacity: 1; }
@media (max-width: 640px) { .todo-item .item-actions { opacity: 1; } }

/* ═══════════════════════════════════
   Range 滑块
   ═══════════════════════════════════ */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 9999px;
  background: rgba(99,102,241,0.14);
  outline: none;
  cursor: pointer;
}
.dark input[type="range"] { background: rgba(255,255,255,0.11); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(99,102,241,0.42);
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.22); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(99,102,241,0.42);
}

/* ═══════════════════════════════════
   自定义滚动条
   ═══════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(99,102,241,0.20);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.38); }

.tab-scroll::-webkit-scrollbar { display: none; }
.tab-scroll { -ms-overflow-style: none; scrollbar-width: none; }

/* ═══════════════════════════════════
   文档转换上传区
   ═══════════════════════════════════ */
.glass-card #dcUploadArea {
  border-color: rgba(99,102,241,0.20) !important;
  background: rgba(99,102,241,0.02) !important;
  transition: all 0.2s ease !important;
}
.glass-card #dcUploadArea:hover {
  border-color: rgba(99,102,241,0.40) !important;
  background: rgba(99,102,241,0.05) !important;
}
.dark .glass-card #dcUploadArea {
  border-color: rgba(99,102,241,0.22) !important;
  background: rgba(99,102,241,0.04) !important;
}

/* ═══════════════════════════════════
   密码/文档模式切换按钮 active 态
   ═══════════════════════════════════ */
.glass-card .pw-type-btn,
.glass-card .dc-mode-btn {
  transition: all 0.2s ease !important;
}

/* ═══════════════════════════════════
   可访问性：减少动画
   ═══════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}