/* ── 基础 & 变量 ───────────────────────────────────────── */
:root {
  --bg:        #0a0a0f;
  --bg-card:   #12121a;
  --border:    #1e1e2e;
  --text:      #e4e4e7;
  --text-dim:  #71717a;
  --accent:    #00d9ff;
  --accent-2:  #7c3aed;
  --success:   #10b981;
  --error:     #ef4444;
  --warn:      #f59e0b;
  --radius:    14px;
  --shadow:    0 4px 24px rgba(0, 0, 0, .4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── 背景光晕 ──────────────────────────────────────────── */
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(0,217,255,.08), transparent),
    radial-gradient(ellipse 500px 500px at 80% 80%, rgba(124,58,237,.07), transparent);
}

/* ── 容器 ──────────────────────────────────────────────── */
.container {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

/* ── 头部 ──────────────────────────────────────────────── */
.header { text-align: center; margin-bottom: 32px; }

.logo {
  display: flex; align-items: center; justify-content: center; gap: 12px;
}

.logo h1 {
  font-size: 28px; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  margin-top: 6px; font-size: 14px; color: var(--text-dim);
  letter-spacing: .3px;
}

/* ── 卡片 ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  animation: fadeUp .4s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 标签栏 ────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 4px; margin-bottom: 20px;
  background: rgba(255,255,255,.03);
  border-radius: 10px; padding: 4px;
}

.tab-btn {
  flex: 1; padding: 10px 0; border: none; border-radius: 8px;
  background: transparent; color: var(--text-dim);
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: all .2s;
}

.tab-btn.active {
  background: rgba(0,217,255,.1); color: var(--accent);
  box-shadow: 0 1px 8px rgba(0,217,255,.1);
}

.tab-btn:not(.active):hover { color: var(--text); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Token 区域 ────────────────────────────────────────── */
.tab-panel label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-dim); margin-bottom: 8px; letter-spacing: .4px;
  text-transform: uppercase;
}

/* ── 步骤引导 ──────────────────────────────────────────── */
.steps { display: flex; flex-direction: column; gap: 20px; }

.step {
  display: flex; gap: 14px; align-items: flex-start;
}

.step-num {
  flex-shrink: 0; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; font-size: 13px; font-weight: 700;
  background: rgba(0,217,255,.12); color: var(--accent);
  margin-top: 2px;
}

.step-body { flex: 1; min-width: 0; }

.step-title {
  font-size: 14px; font-weight: 600; margin-bottom: 4px;
}

.step-desc {
  font-size: 13px; color: var(--text-dim); line-height: 1.5;
}

/* ── 提取方式 ──────────────────────────────────────────── */
.extract-methods {
  margin-top: 12px; display: flex; flex-direction: column; gap: 14px;
}

.method {
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.05);
  border-radius: 10px; padding: 14px;
}

.method-label {
  font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 4px;
}

.method-hint {
  font-size: 12px; color: var(--text-dim); margin-bottom: 10px;
}

/* ── 推荐方式高亮 ─────────────────────────────────────── */
.method-primary {
  border-color: rgba(0,217,255,.2);
  background: rgba(0,217,255,.04);
}

/* ── DevTools 步骤列表 ────────────────────────────────── */
.devtools-steps {
  margin: 8px 0 0 4px;
  padding-left: 18px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.8;
  list-style: none;
  counter-reset: ds;
}

.devtools-steps li {
  counter-increment: ds;
  position: relative;
  padding-left: 8px;
}

.devtools-steps li::before {
  content: counter(ds) ".";
  position: absolute;
  left: -18px;
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
}

.devtools-steps strong {
  color: var(--accent);
}

/* ── 代码块 ───────────────────────────────────────────── */
.code-block {
  display: flex; align-items: center; gap: 8px;
  background: rgba(0,0,0,.3); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; overflow: hidden;
}

.code-block code {
  flex: 1; font-size: 11.5px; color: var(--accent);
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  user-select: all;
}

.copy-btn {
  flex-shrink: 0; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text-dim); cursor: pointer;
  transition: background .2s, color .2s;
}

.copy-btn:hover { background: rgba(0,217,255,.12); color: var(--accent); }
.copy-btn.copied { background: rgba(16,185,129,.15); color: var(--success); }

/* ── 键盘快捷键标签 ───────────────────────────────────── */
kbd {
  display: inline-block; padding: 2px 6px;
  background: rgba(255,255,255,.08); border: 1px solid var(--border);
  border-radius: 4px; font-size: 11px; font-family: inherit;
  color: var(--accent); font-weight: 600;
}

/* ── Toast 提示 ───────────────────────────────────────── */
.toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 12px 28px; border-radius: 10px;
  background: var(--success); color: #fff;
  font-size: 14px; font-weight: 600;
  box-shadow: 0 4px 20px rgba(16,185,129,.35);
  opacity: 0; transition: opacity .3s, transform .3s;
  z-index: 9999; pointer-events: none;
}

.toast.show {
  opacity: 1; transform: translateX(-50%) translateY(0);
}

.input-group {
  display: flex; gap: 8px; margin-bottom: 16px;
}

.input-group input {
  flex: 1; height: 48px; padding: 0 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-size: 14px; font-family: 'Inter', monospace;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,217,255,.12);
}

.input-group input::placeholder { color: #555; }

.btn-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text-dim);
  cursor: pointer; transition: background .2s, color .2s;
}
.btn-icon:hover { background: rgba(255,255,255,.08); color: var(--text); }

/* ── 按钮 ──────────────────────────────────────────────── */
.btn-row { display: flex; gap: 10px; }

.btn {
  flex: 1; height: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: 10px;
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: transform .15s, box-shadow .2s, opacity .2s;
  color: #fff;
  padding: 0 10px;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 2px 12px rgba(14,165,233,.25);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 20px rgba(14,165,233,.35);
}

.btn-accent {
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  box-shadow: 0 2px 12px rgba(124,58,237,.25);
}
.btn-accent:hover:not(:disabled) {
  box-shadow: 0 4px 20px rgba(124,58,237,.35);
}


/* ── 状态栏 ────────────────────────────────────────────── */
.status-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px 12px;
  margin-bottom: 16px;
  animation: fadeUp .35s ease both;
}

.status-content {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500;
  margin-bottom: 10px;
}

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.progress-track {
  height: 3px; border-radius: 2px;
  background: rgba(255,255,255,.06);
  overflow: hidden;
}

.progress-fill {
  height: 100%; width: 30%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: indeterminate 1.4s ease infinite;
}

@keyframes indeterminate {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

.status-bar.done .spinner { display: none; }
.status-bar.done .progress-track { display: none; }
.status-bar.success .status-content { color: var(--success); }
.status-bar.error   .status-content { color: var(--error); }

/* ── 用户信息 ──────────────────────────────────────────── */
.user-card h2, .result-card h2 {
  font-size: 16px; font-weight: 700; margin-bottom: 16px;
  color: var(--text);
}

.info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}

.info-item {
  background: rgba(255,255,255,.03);
  border-radius: 10px; padding: 12px 14px;
  border: 1px solid rgba(255,255,255,.04);
  transition: border-color .2s;
}
.info-item:hover { border-color: rgba(0,217,255,.15); }

.info-label {
  display: block; font-size: 12px; color: var(--text-dim);
  margin-bottom: 4px;
}

.info-value {
  display: block; font-size: 15px; font-weight: 600;
  word-break: break-all;
}

.info-value.sub-pro { color: var(--accent); }
.info-value.sub-free { color: var(--warn); }

/* ── 结果 ──────────────────────────────────────────────── */
.result-list { display: flex; flex-direction: column; gap: 8px; }

.result-item {
  background: rgba(255,255,255,.03);
  border-radius: 10px; padding: 14px;
  border-left: 3px solid var(--border);
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12.5px; line-height: 1.6;
  word-break: break-all; white-space: pre-wrap;
  transition: border-color .2s;
}

.result-item.ok  { border-left-color: var(--success); }
.result-item.err { border-left-color: var(--error); }

.result-item .tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 4px; margin-bottom: 6px;
  font-family: 'Inter', sans-serif; letter-spacing: .3px;
}

.result-item.ok  .tag { background: rgba(16,185,129,.15); color: var(--success); }
.result-item.err .tag { background: rgba(239,68,68,.15); color: var(--error); }

/* ── 隐藏 ──────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── 页脚 ──────────────────────────────────────────────── */
footer {
  text-align: center; margin-top: 40px;
  font-size: 12px; color: var(--text-dim);
}

/* ── 退出按钮 ──────────────────────────────────────────── */
.logout-btn {
  position: absolute; top: 20px; right: 20px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border: 1px solid var(--border);
  border-radius: 8px; background: rgba(255,255,255,.04);
  color: var(--text-dim); font-size: 13px; font-family: inherit;
  cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.logout-btn:hover {
  background: rgba(239,68,68,.1); color: var(--error);
  border-color: rgba(239,68,68,.3);
}

.header { position: relative; }

/* ── 响应式 ────────────────────────────────────────────── */
@media (max-width: 500px) {
  .container { padding: 24px 12px 40px; }
  .info-grid { grid-template-columns: 1fr; }
  .btn-row { flex-direction: column; gap: 12px; }
  .btn { width: 100%; height: 52px; font-size: 16px; }
  .logout-btn { top: 10px; right: 10px; padding: 6px 12px; font-size: 12px; }
  .step { gap: 10px; }
  .code-block code { font-size: 10px; }
}