/* =========================
   MineNBTool 现代扁平主题
   - 兼容：不使用 color-mix/oklab 等实验特性
   - 要点：黑/白导航栏、透明按钮、#0064FF 蓝、#53B88F 绿
   - 圆角与输入框一致、定制 checkbox/radio、全站字体统一
   - 柔和动效，支持减少动态（prefers-reduced-motion）
   ========================= */

/* -------- 主题变量（浅色） -------- */
:root{
  --brand-blue: #0064FF;
  --brand-green: #362ecf;
  --brand-danger: #FF4D4F;

  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --text: #0F172A;
  --text-subtle: #475569;
  --border: rgba(15,23,42,0.14);
  --border-strong: rgba(15,23,42,0.22);

  --bar-bg: #FFFFFF;  /* 导航栏浅色 = 白 */
  --bar-fg: #0F172A;  /* 导航栏前景 */
  --shadow-1: 0 2px 10px rgba(0,0,0,0.06);
  --shadow-2: 0 8px 30px rgba(0,0,0,0.12);

  --radius-sm: 10px;      /* 输入框/按钮统一圆角 */
  --radius-md: 12px;
  --radius-lg: 16px;

  --fs-base: 14px;
  --fs-title: 18px;

  --motion-fast: 150ms;
  --motion-normal: 220ms;
  --motion-slow: 360ms;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-emph: cubic-bezier(.16,1,.3,1);
}

/* -------- 深色主题变量 -------- */
[data-theme="dark"]{
  --bg: #0B0D12;
  --surface: #12151C;
  --text: #E5E7EB;
  --text-subtle: #B6C2D2;
  --border: rgba(255,255,255,0.12);
  --border-strong: rgba(255,255,255,0.22);

  --bar-bg: #000000; /* 导航栏深色 = 黑 */
  --bar-fg: #FFFFFF;
}

/* -------- 全局基础 -------- */
*,
*::before,
*::after{ box-sizing: border-box; }

html,body{ height:100%; }

html, body, button, input, select, textarea{
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
               "Google Sans", Roboto, "Helvetica Neue", Arial, "Noto Sans",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif !important;
}

body{
  margin:0;
  background-color: var(--bg);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  transition: background-color var(--motion-normal) var(--ease),
              color var(--motion-normal) var(--ease);
}

a{ color: var(--brand-blue); text-decoration: none; }
a:hover{ text-decoration: underline; }

/* 自定义焦点：柔和高亮，无黑色描边 */
:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px rgba(0,100,255,0.22);
  border-radius: 6px;
}

/* -------- 顶部栏（黑/白 & 透明按钮） -------- */
header{
  position: sticky; top:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  gap:8px;
  padding:12px 12px;
  background-color: var(--bar-bg) !important;
  color: var(--bar-fg) !important;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.header-title{
  margin:0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--fs-title);
  letter-spacing:.2px;
  color: var(--bar-fg);
}

/* 顶栏按钮：透明、无边框、圆角与输入框一致 */
header button,
header .dark-mode-toggle{
  width:36px; height:36px;
  background: transparent !important;
  color: var(--bar-fg) !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  display:flex; align-items:center; justify-content:center;
  cursor: pointer;
  transition: background-color var(--motion-normal) var(--ease), transform var(--motion-fast) var(--ease);
}
header button:hover,
header .dark-mode-toggle:hover{
  background-color: rgba(127,127,127,0.08) !important; /* 浅色 */
}
[data-theme="dark"] header button:hover,
[data-theme="dark"] header .dark-mode-toggle:hover{
  background-color: rgba(255,255,255,0.10) !important; /* 深色 */
}
header button:active,
header .dark-mode-toggle:active{ transform: translateY(0); }

/* -------- 左侧抽屉导航 -------- */
.nav-drawer{
  display:none;
  position:fixed; top:0; left:0;
  width:280px; height:100vh;
  background-color: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-2);
  padding-top:60px;
  z-index:1000;
  transform: translateX(-12px);
  transition: transform var(--motion-slow) var(--ease), opacity var(--motion-slow) var(--ease);
  border-right: 1px solid var(--border);
}
.nav-drawer.open{ display:block; transform: translateX(0); }

.nav-drawer .close-button{
  position:absolute; top:10px; right:10px;
  width:30px; height:30px;
  background: transparent;
  color: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
}
.nav-drawer ul{ margin:0; padding:0; list-style:none; }
.nav-drawer ul li{
  padding:14px 18px;
  border-bottom: 1px solid var(--border);
  cursor:pointer;
}
.nav-drawer ul li:hover{ background: rgba(0,0,0,0.04); }
[data-theme="dark"] .nav-drawer ul li:hover{ background: rgba(255,255,255,0.06); }

/* -------- 主体/分页 -------- */
main{ padding:16px; padding-bottom:64px; }
.page-content{ display:none; }
.page-content.active{ display:block; }

/* -------- 卡片 -------- */
.card{
  background-color: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  padding:14px;
  margin:16px auto;
  max-width: 760px;
}
.card h2{ margin:0; font-size:18px; font-weight:600; letter-spacing:.2px; }

.card-header{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:8px;
}
.close-card-button{
  width:24px; height:24px;
  background: var(--brand-danger);
  color:#fff;
  border:none;
  border-radius: var(--radius-sm);
  cursor:pointer;
}

/* -------- 统一按钮体系（圆角与输入框一致） -------- */
.button,
.collapse-btn,
.checkall-btn,
.add-enchant-btn,
.danger-button{
  display:inline-flex; align-items:center; justify-content:center;
  gap:6px;
  padding:8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.12);
  cursor:pointer;
  font-size:14px;
  transition: transform var(--motion-fast) var(--ease), filter var(--motion-fast) var(--ease), background-color var(--motion-fast) var(--ease);
}

.button,
.collapse-btn,
.checkall-btn{       /* 默认绿色 */
  background-color: var(--brand-green);
  color:#fff;
}
.add-enchant-btn{   /* 需要蓝色的按钮 */
  background-color: var(--brand-blue);
  color:#fff;
}
.danger-button{     /* 危险操作 */
  background-color: var(--brand-danger);
  color:#fff;
  border-color: rgba(0,0,0,0.12);
}

/* 悬停/按下手感 */
.button:hover,
.collapse-btn:hover,
.checkall-btn:hover,
.add-enchant-btn:hover,
.danger-button:hover{ filter: brightness(1.04); transform: translateY(-1px); }
.button:active,
.collapse-btn:active,
.checkall-btn:active,
.add-enchant-btn:active,
.danger-button:active{ transform: translateY(0); }

/* 统一按钮容器 */
.card-buttons{ display:flex; flex-wrap:wrap; gap:8px; margin:8px 0 10px; }

/* -------- 输入/文本域（统一圆角/无黑框） -------- */
.text-field{
  display:block;
  width:100%;
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: #fff;
  color: var(--text);
  outline:none;
  transition: border-color var(--motion-normal) var(--ease), box-shadow var(--motion-normal) var(--ease), background-color var(--motion-normal) var(--ease);
}
[data-theme="dark"] .text-field{ background-color: rgba(255,255,255,0.06); }
.text-field::placeholder{ color: rgba(0,0,0,0.4); }
[data-theme="dark"] .text-field::placeholder{ color: rgba(255,255,255,0.5); }
.text-field:focus{
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 4px rgba(0,100,255,0.18);
}

/* -------- 折叠区域 -------- */
.collapse-content{ margin-top:12px; }
.collapse-content.hidden{ display:none; }

/* -------- 分隔线 -------- */
hr{
  border: 0;
  height: 1px;
  background-color: var(--border);
  margin: 12px 0;
}

/* -------- 模态窗 -------- */
.modal{
  display:none;
  position:fixed; inset:0;
  z-index:2000;
  background-color: rgba(0,0,0,0.5);
  justify-content:center; align-items:center;
  backdrop-filter: blur(4px);
}
.modal.active{ display:flex; }
.modal-content{
  width:min(88%, 360px);
  background-color: var(--surface);
  color: var(--text);
  border:1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  padding:16px;
  text-align:center;
}
.modal-content button{
  margin-top:12px;
  padding:8px 16px;
  border-radius: var(--radius-sm);
  border:1px solid rgba(0,0,0,0.12);
  background-color: var(--brand-blue);
  color:#fff;
  cursor:pointer;
}

/* -------- 复选框 & 单选框（自定义） -------- */
/* 说明：优先用完全自绘，确保一致性；如需更原生可把这段注释并开启 accent-color 方案 */

input[type="checkbox"],
input[type="radio"]{
  -webkit-appearance: none;
  appearance: none;
  width:16px; height:16px;
  margin: 0 6px 0 0;
  position: relative;
  cursor: pointer;
  background-color: #fff;
  border: 1.5px solid var(--border-strong);
  outline: none;
  transition: background-color var(--motion-normal) var(--ease),
              border-color var(--motion-normal) var(--ease),
              box-shadow var(--motion-normal) var(--ease);
  vertical-align: -2px;
}
[data-theme="dark"] input[type="checkbox"],
[data-theme="dark"] input[type="radio"]{
  background-color: rgba(255,255,255,0.06);
}

/* 复选框：圆角小方块 + 钩 */
input[type="checkbox"]{ border-radius: 4px; }
input[type="checkbox"]:checked{
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
}
input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:4px; top:1px;
  width:5px; height:9px;
  border-right:2px solid #fff;
  border-bottom:2px solid #fff;
  transform: rotate(45deg);
}

/* 单选框：圆形 + 中心点 */
input[type="radio"]{ border-radius: 50%; }
input[type="radio"]:checked{
  border-color: var(--brand-blue);
  background:
    radial-gradient(circle at center, var(--brand-blue) 0 45%, transparent 46%);
}

/* 交互状态 */
input[type="checkbox"]:hover,
input[type="radio"]:hover{ box-shadow: 0 0 0 4px rgba(0,0,0,0.06); }
[data-theme="dark"] input[type="checkbox"]:hover,
[data-theme="dark"] input[type="radio"]:hover{ box-shadow: 0 0 0 4px rgba(255,255,255,0.08); }

input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible{
  box-shadow: 0 0 0 4px rgba(0,100,255,0.22);
}

/* （可选）如果你更想用系统控件但统一颜色，可启用下面3行并把上面自绘方案注释
input[type="checkbox"], input[type="radio"]{ appearance:auto; accent-color: var(--brand-blue); }
*/

/* -------- 聊天界面 -------- */
.chat-container{
  display:flex; flex-direction:column;
  height:60vh; max-height:640px;
  margin-top:12px; gap:10px;
}
.chat-messages{
  flex:1; overflow-y:auto; padding:12px;
  background-color: #f4f6fb;
  border:1px solid var(--border);
  border-radius: var(--radius-md);
}
[data-theme="dark"] .chat-messages{ background-color: #121826; }

.chat-input{ display:flex; flex-direction:column; gap:10px; }
.chat-buttons{ display:flex; gap:10px; flex-wrap:wrap; }

.message{
  margin-bottom:12px; max-width:78%;
  padding:10px 14px; border-radius:14px; position:relative;
  border:1px solid transparent;
}
.user-message{
  background-color: var(--brand-blue);
  color:#fff;
  align-self:flex-end; margin-left:auto;
  border-radius: 14px 14px 6px 14px;
  box-shadow: var(--shadow-1);
}
.ai-message{
  background-color: #E9EEF9;
  color:#1F2937;
  align-self:flex-start;
  border-radius: 14px 14px 14px 6px;
  border:1px solid var(--border);
}
[data-theme="dark"] .ai-message{
  background-color:#1C2230;
  color:#E0E6F3;
  border-color: var(--border);
}
.loading-message{
  background-color:#EEF2FF;
  color:#4B5563;
  font-style:italic;
}

.chat-footer{
  margin-top:8px; text-align:center; font-size:12px; color: var(--text-subtle);
}
.chat-footer a{ color: var(--brand-blue); }

/* Markdown */
.ai-message code{
  background-color:#EEF2F7;
  padding:2px 4px; border-radius:4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:.92em; white-space: pre-wrap;
}
.ai-message pre{
  background-color:#EEF2F7; padding:10px; border-radius:8px;
  overflow-x:auto; margin:8px 0; border:1px solid var(--border);
}
.ai-message pre code{ background:transparent; padding:0; }
.ai-message p{ margin:.6em 0; }
.ai-message ul, .ai-message ol{ margin:.6em 0; padding-left:20px; }
.ai-message table{ border-collapse:collapse; margin:8px 0; width:100%; }
.ai-message th, .ai-message td{ border:1px solid var(--border); padding:8px; }
.ai-message th{ background-color:#F3F4F6; }
[data-theme="dark"] .ai-message code{ background-color:#242A36; }
[data-theme="dark"] .ai-message pre{ background-color:#242A36; }
[data-theme="dark"] .ai-message th{ background-color:#232A36; }

/* -------- 响应式 -------- */
@media (min-width: 768px){
  .card{ max-width: 720px; }
}

/* -------- 全局动效（温和） -------- */
*{ transition: background-color var(--motion-normal) var(--ease),
               color var(--motion-normal) var(--ease),
               border-color var(--motion-normal) var(--ease),
               box-shadow var(--motion-normal) var(--ease),
               transform var(--motion-fast) var(--ease),
               opacity var(--motion-normal) var(--ease); }

@keyframes fade-in-up{
  from{ opacity:0; transform: translateY(6px) scale(0.985); }
  to{ opacity:1; transform: translateY(0) scale(1); }
}
.card, .nav-drawer, .modal-content, .message, .button{
  animation: fade-in-up var(--motion-slow) var(--ease-emph) both;
}

/* 减少动态偏好支持 */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation: none !important; }
}