/* ==========================================================================
   SecToolbox 安全工具箱 —— 样式表
   纯手写 CSS，无外部 CDN 依赖（3M 带宽环境下尽量减小体积与请求数）
   主题：深色，配色以低饱和蓝灰为主，状态色区分成功/失败/警告
   ========================================================================== */

:root {
  --bg: #0f1419;
  --bg-soft: #151b23;
  --panel: #1a222c;
  --panel-2: #202a36;
  --border: #2a3644;
  --border-soft: #222d39;
  --text: #d7e0ea;
  --text-dim: #93a3b5;
  --text-mute: #6c7c8f;
  --accent: #4c9aff;
  --accent-dim: #2f6dbf;
  --ok: #35c98a;
  --warn: #e0a63c;
  --bad: #ef5f6b;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.65;
}

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

code, pre, .mono { font-family: var(--mono); }

code {
  background: #10171e;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12.5px;
  color: #a9d3ff;
  word-break: break-all;
}

.muted { color: var(--text-dim); }
.small { font-size: 12.5px; }
.tiny { font-size: 11.5px; }
.nowrap { white-space: nowrap; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  background: linear-gradient(180deg, #182029 0%, #131a22 100%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-logo { font-size: 24px; line-height: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 15.5px; letter-spacing: .3px; }
.brand-text small { color: var(--text-mute); font-size: 11.5px; }

.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a {
  color: var(--text-dim);
  padding: 6px 13px;
  border-radius: 7px;
  font-size: 13.5px;
  border: 1px solid transparent;
}
.nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.active { background: #1d3a5c; color: #cfe4ff; border-color: #27507e; }

.topbar-right { display: flex; align-items: center; gap: 8px; }
.who { color: var(--text-dim); font-size: 12.5px; }

/* ---------------- 布局 ---------------- */
.container { max-width: 1320px; margin: 0 auto; padding: 22px 18px 60px; }

.footer {
  border-top: 1px solid var(--border-soft);
  background: #10161d;
}
.footer-inner {
  max-width: 1320px; margin: 0 auto; padding: 14px 18px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--text-mute); font-size: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }

.mini-card { background: var(--panel-2); border: 1px solid var(--border-soft); border-radius: 8px; padding: 12px; }
.mini-card h4 { margin: 0 0 6px; font-size: 13.5px; }

/* ---------------- 首页 Hero ---------------- */
.hero { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.hero-main { flex: 1 1 420px; }
.hero h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: .5px; }
.hero-stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 9px;
  padding: 10px 16px; min-width: 92px; text-align: center;
}
.stat-num { display: block; font-size: 20px; font-weight: 600; color: #bfe0ff; }
.stat-label { display: block; font-size: 11.5px; color: var(--text-mute); }

.section-title { font-size: 16px; margin: 26px 0 6px; display: flex; align-items: center; gap: 8px; }
.section-desc { margin: 0 0 12px; }
.cat-icon { font-size: 18px; }

.search-bar { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.search-bar input {
  flex: 1 1 320px; min-width: 220px;
}

/* ---------------- 工具卡片 ---------------- */
.tool-card { display: block; color: inherit; transition: border-color .15s, transform .15s; }
.tool-card:hover { text-decoration: none; border-color: var(--accent-dim); transform: translateY(-2px); }
.tool-card-head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 6px; }
.tool-card h3 { margin: 0; font-size: 14.5px; }
.tool-icon { font-size: 17px; }
.tool-card p { margin: 0 0 10px; }

.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  background: #1b2836; border: 1px solid var(--border-soft); color: var(--text-dim);
  font-size: 11px; padding: 2px 8px; border-radius: 20px;
}
.tag-net { background: #2a2130; border-color: #43324a; color: #d2a8e0; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.chip {
  background: var(--panel-2); border: 1px solid var(--border-soft); color: var(--text-dim);
  font-size: 12px; padding: 4px 10px; border-radius: 20px; display: inline-block;
}
.chip:hover { text-decoration: none; border-color: var(--accent-dim); color: var(--text); }
.chip-active { background: #1d3a5c; border-color: #27507e; color: #cfe4ff; }

/* ---------------- 按钮与表单 ---------------- */
.btn {
  display: inline-block; border-radius: 8px; padding: 7px 15px; font-size: 13.5px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  cursor: pointer; line-height: 1.4;
}
.btn:hover { text-decoration: none; border-color: var(--accent-dim); }
.btn-primary { background: linear-gradient(180deg, #2f6dbf, #27599b); border-color: #2f6dbf; color: #fff; font-weight: 500; }
.btn-primary:hover { background: linear-gradient(180deg, #3a7bd0, #2c63ab); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-block { width: 100%; }

input, select, textarea {
  width: 100%; background: #10171e; border: 1px solid var(--border);
  border-radius: 7px; color: var(--text); padding: 8px 10px; font-size: 13.5px;
  font-family: inherit;
}
input[type="checkbox"] { width: auto; accent-color: var(--accent); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 2px rgba(76,154,255,.12); }
textarea { font-family: var(--mono); font-size: 12.5px; line-height: 1.6; resize: vertical; }

.field { display: flex; flex-direction: column; gap: 5px; }
.field > label { font-size: 12.5px; color: var(--text-dim); font-weight: 500; }
.field .req { color: var(--bad); }
.help { font-size: 11.5px; color: var(--text-mute); }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); padding-top: 20px; }

.form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; } .span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; } .span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; } .span-12 { grid-column: span 12; }
@media (max-width: 820px) {
  .form-grid > .field { grid-column: span 12 !important; }
}
.form-title { font-size: 14px; margin: 0 0 14px; color: var(--text-dim); font-weight: 600; }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 16px; flex-wrap: wrap; }
.examples { margin-top: 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.example { cursor: pointer; }
.example:hover { border-color: var(--accent); }
.login-tips { margin-top: 18px; border-top: 1px solid var(--border-soft); padding-top: 12px; }
.login-tips pre { margin: 8px 0; }

/* ---------------- 工具页布局 ---------------- */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--text-mute); margin-bottom: 12px; flex-wrap: wrap; }
.breadcrumb .current { color: var(--text); }

.tool-head-main h1 { margin: 0 0 6px; font-size: 20px; }
.tool-head-main p { margin: 0 0 10px; }
.tool-layout { display: grid; grid-template-columns: minmax(360px, 5fr) minmax(380px, 7fr); gap: 16px; align-items: start; }
@media (max-width: 1080px) { .tool-layout { grid-template-columns: 1fr; } }
.result-col { min-width: 0; }
.notes { font-size: 13px; color: var(--text-dim); }
.notes p { margin: 0 0 8px; }
.notes p:last-child { margin-bottom: 0; }

/* ---------------- 结果展示 ---------------- */
.result-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.result-summary { font-size: 14px; color: #cfe4ff; background: #16283d; border: 1px solid #24486e; border-radius: 8px; padding: 10px 12px; margin: 0 0 14px; }

.badge { font-size: 11.5px; padding: 3px 9px; border-radius: 20px; border: 1px solid; }
.badge-ok { color: var(--ok); border-color: #1e5c43; background: #12291f; }
.badge-bad { color: var(--bad); border-color: #6a2a32; background: #2a1418; }

.alert { border-radius: 8px; padding: 11px 13px; margin: 0 0 14px; font-size: 13px; }
.alert-error { background: #2a1418; border: 1px solid #6a2a32; color: #ffbcc2; white-space: pre-wrap; }

.result-section { margin-bottom: 18px; }
.result-section-title { font-size: 13.5px; color: #9fc4ef; margin: 0 0 8px; font-weight: 600; }

table { border-collapse: collapse; width: 100%; font-size: 13px; }
table.kv th { text-align: left; color: var(--text-dim); font-weight: 500; width: 34%; vertical-align: top; padding: 6px 10px 6px 0; }
table.kv td { padding: 6px 0; word-break: break-word; }
table.kv tr { border-bottom: 1px solid var(--border-soft); }
table.kv tr:last-child { border-bottom: none; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: 8px; }
table.data th, table.data td { border-bottom: 1px solid var(--border-soft); padding: 7px 10px; text-align: left; vertical-align: top; }
table.data thead th { background: #172029; color: var(--text-dim); font-size: 12.5px; font-weight: 600; position: sticky; top: 0; }
table.data tbody tr:hover { background: #1d2732; }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td { word-break: break-word; }

.pre {
  background: #0d1319; border: 1px solid var(--border-soft); border-radius: 8px;
  padding: 12px; overflow: auto; font-size: 12.5px; line-height: 1.6;
  max-height: 520px; white-space: pre-wrap; word-break: break-all; color: #b8cfe6;
}
.log-pre { max-height: 460px; }

.code-block { position: relative; }
.copy-btn { position: absolute; top: 8px; right: 8px; z-index: 2; }

.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.qr-img { background: #fff; padding: 10px; border-radius: 10px; max-width: 100%; }

.score-box { border-radius: 9px; padding: 14px; border: 1px solid var(--border); background: var(--panel-2); }
.score-ok { border-color: #1e5c43; background: #12291f; }
.score-warn { border-color: #6a5220; background: #2a2312; }
.score-bad { border-color: #6a2a32; background: #2a1418; }
.score-main { font-size: 16px; font-weight: 600; }
.score-sub { color: var(--text-dim); font-size: 12.5px; margin-top: 4px; }

details.raw { margin-top: 14px; }
details.raw summary { cursor: pointer; color: var(--text-dim); font-size: 12.5px; margin-bottom: 8px; }

.list { margin: 8px 0; padding-left: 22px; }
.list li { margin-bottom: 5px; }

.empty { color: var(--text-mute); text-align: center; padding: 26px 14px; }

/* ---------------- 登录页 ---------------- */
.login-wrap { display: flex; justify-content: center; padding: 40px 0 60px; }
.login-card { width: min(460px, 100%); }
.login-head { text-align: center; margin-bottom: 18px; }
.login-logo { font-size: 38px; }
.login-head h1 { font-size: 20px; margin: 8px 0; }
.error-card { width: min(520px, 100%); text-align: center; }
.error-code { font-size: 52px; font-weight: 700; color: var(--accent-dim); line-height: 1; }

/* ---------------- 日志页 ---------------- */
.log-filter { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.filter-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; grid-column: 1 / -1; }
.log-table { font-size: 12.5px; }
.log-table .params-cell code { display: block; max-width: 340px; white-space: pre-wrap; word-break: break-all; }
.log-table .summary-cell { max-width: 340px; }
.row-error { background: #22111433; }
.row-denied { background: #221c0d33; }
.pager { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }

/* ---------------- 速查手册 ---------------- */
.ref-nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }

/* ---------------- 其它 ---------------- */
.flashes { margin-bottom: 14px; }
.flash { border-radius: 8px; padding: 10px 13px; margin-bottom: 8px; font-size: 13px; border: 1px solid; }
.flash-ok { background: #12291f; border-color: #1e5c43; color: #9be6c4; }
.flash-error { background: #2a1418; border-color: #6a2a32; color: #ffbcc2; }
.flash-warn { background: #2a2312; border-color: #6a5220; color: #f0d79a; }

.changelog-item h4 { margin: 12px 0 4px; font-size: 13.5px; color: #9fc4ef; }
.api-hint { margin-top: 8px; }
.api-hint h3 { font-size: 13.5px; margin: 0 0 8px; color: var(--text-dim); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #10171e; }
::-webkit-scrollbar-thumb { background: #2b3745; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #3a4859; }

@media (max-width: 640px) {
  .container { padding: 16px 12px 40px; }
  .hero h1 { font-size: 20px; }
  .topbar-inner { gap: 12px; }
  .nav { width: 100%; margin-left: 0; }
}