:root {
  --bg: #0f1117;
  --bg-soft: #171a23;
  --card: #1c2030;
  --border: #2a2f42;
  --text: #e6e9f2;
  --text-dim: #9aa1b5;
  --accent: #6366f1;
  --accent-2: #22d3ee;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 布局 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.nav-logo span { color: var(--accent-2); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--text-dim); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

main { padding: 40px 0 80px; min-height: calc(100vh - 160px); }

footer {
  border-top: 1px solid var(--border);
  padding: 24px 0; text-align: center;
  color: var(--text-dim); font-size: 0.85rem;
}

/* ---------- 通用 ---------- */
.page-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.page-sub { color: var(--text-dim); margin-bottom: 32px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); }

.btn {
  display: inline-block; padding: 8px 18px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--text); font-size: 0.9rem; cursor: pointer;
  transition: all .2s;
}
.btn:hover { border-color: var(--accent); color: var(--accent-2); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4f46e5; color: #fff; }
.btn-danger { background: transparent; border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 4px 12px; font-size: 0.8rem; }

/* ---------- Flash ---------- */
.flashes { margin-bottom: 20px; }
.flash {
  padding: 12px 18px; border-radius: 10px; margin-bottom: 10px; font-size: 0.9rem;
}
.flash.success { background: rgba(52, 211, 153, .12); border: 1px solid var(--green); color: var(--green); }
.flash.error { background: rgba(248, 113, 113, .12); border: 1px solid var(--red); color: var(--red); }

/* ---------- 首页 Hero ---------- */
.hero {
  text-align: center; padding: 70px 0 50px;
  background: radial-gradient(ellipse at top, rgba(99, 102, 241, .15), transparent 60%);
}
.hero-emoji { font-size: 3.5rem; }
.hero h1 { font-size: 2.4rem; margin: 12px 0 8px; }
.hero .motto { color: var(--text-dim); font-size: 1.1rem; }
.hero .badges { margin-top: 18px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.badge {
  padding: 5px 14px; border-radius: 999px; font-size: 0.85rem;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-dim);
}
.hero-actions { margin-top: 28px; display: flex; gap: 14px; justify-content: center; }

/* ---------- 区块 ---------- */
.section { margin-top: 44px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.section-head h2 { font-size: 1.35rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* ---------- 项目卡片 ---------- */
.status {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.75rem; border: 1px solid var(--border);
}

.priority-badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
  background: rgba(99, 102, 241, .15); border: 1px solid var(--accent); color: var(--accent-2);
}
.priority-badge.top {
  background: rgba(251, 191, 36, .15); border-color: var(--amber); color: var(--amber);
}
.priority-badge.bottom {
  background: var(--bg-soft); border-color: var(--border); color: var(--text-dim);
}
.status.active { color: var(--green); border-color: var(--green); }
.status.paused { color: var(--amber); border-color: var(--amber); }
.status.done { color: var(--accent-2); border-color: var(--accent-2); }
.status.idea { color: var(--text-dim); border-color: var(--border); }

.progress-bar { height: 8px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; margin-top: 12px; }
.progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .4s;
}

.card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.card .tagline { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 10px; }
.card .meta { display: flex; gap: 14px; color: var(--text-dim); font-size: 0.82rem; flex-wrap: wrap; }
.card .meta b { color: var(--text); font-weight: 600; }

/* ---------- 博客 ---------- */
.post-card h3 { margin-bottom: 4px; }
.post-meta { color: var(--text-dim); font-size: 0.82rem; margin-bottom: 8px; display: flex; gap: 12px; }
.post-summary { color: var(--text-dim); font-size: 0.92rem; }
.tag {
  display: inline-block; margin: 2px 6px 2px 0; padding: 1px 10px;
  border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-dim);
}

/* ---------- 详情页 ---------- */
.detail-head { margin-bottom: 24px; }
.detail-head h1 { font-size: 1.7rem; margin: 8px 0; }

.kv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kv { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; }
.kv .k { font-size: 0.78rem; color: var(--text-dim); margin-bottom: 4px; }
.kv .v { font-size: 0.95rem; }

.note {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 10px;
  padding: 16px 18px; margin-bottom: 16px;
}
.note h4 { font-size: 0.95rem; margin-bottom: 8px; color: var(--accent-2); }
.note ul { padding-left: 20px; }
.note li { font-size: 0.92rem; margin-bottom: 4px; }

/* ---------- Markdown 内容 ---------- */
.markdown { font-size: 1rem; }
.markdown h1, .markdown h2, .markdown h3 { margin: 1.4em 0 0.6em; }
.markdown h2 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.markdown h3 { font-size: 1.15rem; }
.markdown p { margin: 0.7em 0; }
.markdown ul, .markdown ol { padding-left: 1.6em; margin: 0.7em 0; }
.markdown blockquote {
  border-left: 3px solid var(--accent); padding: 4px 16px;
  color: var(--text-dim); margin: 1em 0; background: var(--bg-soft);
  border-radius: 0 10px 10px 0;
}
.markdown code {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 6px; font-size: 0.88em;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}
.markdown pre {
  background: #0b0d13; border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; overflow-x: auto; margin: 1em 0;
}
.markdown pre code { background: none; border: none; padding: 0; }
.markdown img { max-width: 100%; border-radius: 10px; }
.markdown table { border-collapse: collapse; width: 100%; margin: 1em 0; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 8px 12px; }
.markdown th { background: var(--bg-soft); }
.markdown a { text-decoration: underline; }

/* ---------- 关于页 ---------- */
.about-top { display: flex; gap: 28px; align-items: flex-start; }
.about-avatar {
  font-size: 4rem; width: 110px; height: 110px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 24px;
}
@media (max-width: 600px) { .about-top { flex-direction: column; } }
.contact-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; }
.contact-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 999px; font-size: 0.85rem;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-dim);
}

/* ---------- 表单 ---------- */
.form-card { max-width: 720px; }
.form-card.wide { max-width: 900px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.9rem; margin-bottom: 6px; color: var(--text-dim); }
.form-group .hint { font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; }
input[type=text], input[type=password], input[type=number], input[type=email], input[type=url],
textarea, select {
  width: 100%; padding: 10px 14px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
  font-size: 0.95rem; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
textarea.code { font-family: "JetBrains Mono", "Fira Code", Consolas, monospace; font-size: 0.88rem; min-height: 300px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- 表格 ---------- */
table.list { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.list th {
  text-align: left; padding: 10px 12px; color: var(--text-dim);
  border-bottom: 1px solid var(--border); font-weight: 600; font-size: 0.82rem;
}
table.list td { padding: 12px; border-bottom: 1px solid var(--border); }
table.list tr:hover td { background: var(--bg-soft); }
.row-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ---------- 管理面板 ---------- */
.admin-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.admin-title h1 { font-size: 1.6rem; }
.empty-tip { color: var(--text-dim); font-size: 0.9rem; padding: 20px 0; }

.login-wrap { max-width: 380px; margin: 60px auto; }
.login-wrap .card { padding: 32px; }
.login-wrap h1 { font-size: 1.4rem; text-align: center; margin-bottom: 24px; }

/* ---------- 标签云 ---------- */
.category-block { margin-bottom: 28px; }
.category-block h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--accent-2); }

/* 博客列表 */
.blog-list { max-width: 780px; }
.blog-list .card { margin-bottom: 16px; padding: 20px 24px; }

/* 分页/更多 */
.more-link { color: var(--accent-2); font-size: 0.9rem; }

/* ---------- 专注打卡 ---------- */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px; margin-bottom: 24px;
}
.stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; text-align: center;
}
.stat-num { font-size: 1.8rem; font-weight: 700; color: var(--accent-2); line-height: 1.4; }
.stat-label { font-size: 0.82rem; color: var(--text-dim); }

.timer {
  font-size: 4.2rem; font-weight: 700; letter-spacing: 2px;
  font-family: "JetBrains Mono", Consolas, monospace;
  color: var(--accent-2); margin: 12px 0;
}
.focus-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.focus-form { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 14px 0 8px; }
.focus-form .input { flex: 1 1 260px; min-width: 200px; }
.minute-group { display: flex; gap: 8px; }
.urge-box {
  margin-top: 16px; padding: 16px; border: 1px dashed var(--amber);
  border-radius: var(--radius); display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.tip { margin-top: 14px; font-size: 0.9rem; color: var(--amber); }

@media (max-width: 640px) {
  .timer { font-size: 3rem; }
  .two-col { grid-template-columns: 1fr; }
}

/* ---------- 目标 / 热力图 / 手机端 ---------- */
.goal-bar {
  position: relative; height: 34px; border-radius: 8px; overflow: hidden;
  background: var(--bg-soft); border: 1px solid var(--border); margin-bottom: 24px;
}
.goal-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .4s; }
.goal-text {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--text);
}

.heatmap { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; }
.heat-cell {
  background: var(--amber); color: #1b1405; border-radius: 6px;
  padding: 8px 4px; text-align: center; font-size: 0.72rem; line-height: 1.3;
}
.heat-hour { display: block; font-weight: 700; }
.heat-count { display: block; font-size: 0.8rem; }

.qr-wrap { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.qr-box { background: #fff; padding: 8px; border-radius: 10px; line-height: 0; }
.qr-box svg { width: 148px; height: 148px; }
.qr-tip { flex: 1 1 200px; }
.qr-tip .page-sub { word-break: break-all; }

.big-btn { padding: 16px 20px; font-size: 1.05rem; width: 100%; }
.quick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.checkbox-line { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--text-dim); }

/* 日状态 */
.status.good { color: var(--green); border-color: var(--green); }
.status.warn { color: var(--amber); border-color: var(--amber); }
.status.bad { color: var(--red); border-color: var(--red); }
.status.idle { color: var(--text-dim); border-color: var(--border); }

@media (max-width: 640px) {
  .heatmap { grid-template-columns: repeat(6, 1fr); }
  .qr-wrap { flex-direction: column; align-items: flex-start; }
}