:root {
  --bg: #0f1117;
  --bg-soft: #171a23;
  --card: #1c2029;
  --card-hover: #232833;
  --border: #2a2f3a;
  --text: #e8eaf0;
  --text-dim: #9aa3b2;
  --accent: #ff5f56;
  --accent-2: #ffd166;
  --danger: #e5484d;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
}

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

/* 强制所有带 hidden 属性的元素隐藏（防止被 display:flex 等覆盖） */
[hidden] { display: none !important; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", sans-serif;
  min-height: 100%;
}

body { padding-bottom: 60px; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,17,23,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.brand-emoji { font-size: 26px; }
.nav { display: flex; gap: 6px; }
.nav-btn {
  background: transparent; color: var(--text-dim);
  border: 1px solid transparent; border-radius: 10px;
  padding: 8px 16px; cursor: pointer; font-size: 15px;
  transition: all .18s;
}
.nav-btn:hover { color: var(--text); }
.nav-btn.active {
  background: var(--card); color: var(--text);
  border-color: var(--border);
}

/* ---------- 容器 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 28px 20px; }

.view { display: none; }
.view.active { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.page-head h1 { font-size: 26px; margin-bottom: 6px; }
.page-head .sub { color: var(--text-dim); font-size: 15px; }

/* ---------- 筛选 & 搜索 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 14px; }
.chip {
  background: var(--card); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 16px; cursor: pointer; font-size: 14px;
  transition: all .18s;
}
.chip:hover { color: var(--text); border-color: #3a4150; }
.chip.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
  font-weight: 600;
}

.search-box input {
  width: 100%; padding: 12px 16px; font-size: 15px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  outline: none; transition: border .18s;
}
.search-box input:focus { border-color: var(--accent); }

/* ---------- 工具卡片 ---------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px; margin-top: 18px;
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all .2s;
}
.card:hover { background: var(--card-hover); transform: translateY(-3px); box-shadow: var(--shadow); }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.card-title { font-size: 17px; font-weight: 700; line-height: 1.4; }
.card-ver {
  flex-shrink: 0; font-size: 12px; color: var(--text-dim);
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 999px;
}
.card-desc { color: var(--text-dim); font-size: 14px; line-height: 1.6; flex: 1; }
.card-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--text-dim); }
.tag {
  padding: 3px 9px; border-radius: 999px; font-size: 12px;
  background: rgba(255,255,255,.05); border: 1px solid var(--border);
}
.card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 2px; }
.card-date { font-size: 12px; color: var(--text-dim); }
.btn-dl {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #fff; text-decoration: none;
  border: none; border-radius: 10px; padding: 9px 16px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: filter .18s;
}
.btn-dl:hover { filter: brightness(1.1); }

.empty { text-align: center; color: var(--text-dim); padding: 60px 0; font-size: 16px; }

/* ---------- 通用按钮 ---------- */
.btn-primary {
  background: var(--accent); color: #fff; border: none; border-radius: 10px;
  padding: 10px 20px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: filter .18s; text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: var(--card); color: var(--text-dim); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 18px; font-size: 14px; cursor: pointer;
  transition: all .18s;
}
.btn-ghost:hover { color: var(--text); border-color: #3a4150; }
.btn-danger {
  background: transparent; color: var(--danger); border: 1px solid var(--danger);
  border-radius: 10px; padding: 10px 18px; font-size: 14px; cursor: pointer;
  transition: all .18s;
}
.btn-danger:hover { background: rgba(229,72,77,.12); }

/* ---------- 文本笔记 ---------- */
.notes-toolbar { display: flex; align-items: center; gap: 10px; margin: 20px 0 14px; }
.note-status { font-size: 13px; color: var(--text-dim); }
.note-status.ok { color: #4ade80; }
.note-status.err { color: var(--danger); }

.note-list { display: flex; flex-direction: column; gap: 10px; }
.note-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  cursor: pointer; transition: all .18s;
}
.note-item:hover { background: var(--card-hover); border-color: #3a4150; }
.note-item-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.note-icon { font-size: 22px; flex-shrink: 0; }
.note-info { min-width: 0; }
.note-name { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.note-meta { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.note-item-right { flex-shrink: 0; color: var(--text-dim); font-size: 18px; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); width: 100%; max-width: 420px;
  box-shadow: var(--shadow); overflow: hidden;
}
.modal-wide { max-width: 680px; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  font-weight: 700; font-size: 16px;
}
.modal-close { background: none; border: none; color: var(--text-dim); font-size: 18px; cursor: pointer; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 18px 20px; font-size: 14px; line-height: 1.7; color: var(--text-dim); }
.modal-body .row { margin-bottom: 8px; }
.modal-body b { color: var(--text); }
.modal-foot { display: flex; gap: 10px; justify-content: flex-end; padding: 14px 20px; border-top: 1px solid var(--border); }

/* 笔记弹窗内部 */
.note-filename-row { margin-bottom: 12px; }
.note-filename-row label, .note-field-label, .note-auth-row label {
  display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px;
}
.note-filename-row input, .note-auth-row input {
  width: 100%; padding: 10px 12px; font-size: 14px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; outline: none;
}
.note-filename-row input:focus, .note-auth-row input:focus { border-color: var(--accent); }
.note-edit-area {
  width: 100%; min-height: 260px; resize: vertical;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 14px; font-size: 14px; line-height: 1.7;
  font-family: "SF Mono", Consolas, "Courier New", monospace;
  outline: none; margin-bottom: 12px;
}
.note-edit-area:focus { border-color: var(--accent); }
.note-edit-area[readonly] { opacity: .9; cursor: default; }
.note-auth-row { margin-bottom: 8px; }
.note-msg { font-size: 13px; min-height: 18px; }
.note-msg.ok { color: #4ade80; }
.note-msg.err { color: var(--danger); }

.footer {
  text-align: center; color: var(--text-dim); font-size: 13px;
  padding: 30px 20px 0;
}

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
  .brand-text { font-size: 17px; }
}