/* ================= 洛国网 Loywiyya · 设计系统 ================= */
:root {
  --bg: #f6f6f3;
  --bg-alt: #ffffff;
  --bg-sunken: #efeee9;
  --ink: #1c1b19;
  --ink-2: #4a4844;
  --ink-3: #7b7770;
  --line: #e2e0d9;
  --line-strong: #cfccc2;
  --brand: #0f5c58;
  --brand-2: #12736d;
  --brand-soft: #e3f0ee;
  --accent: #9a5b2b;
  --accent-soft: #f6ece1;
  --danger: #b3261e;
  --warn: #8a6100;
  --ok: #1f7a45;
  --vowel: #b3261e;
  --cons: #1d4ed8;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(28, 27, 25, .06), 0 6px 18px rgba(28, 27, 25, .06);
  --shadow-sm: 0 1px 2px rgba(28, 27, 25, .08);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.3; margin: 1.2em 0 .5em; font-weight: 650; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.35rem; padding-bottom: .3em; border-bottom: 1px solid var(--line); }
h3 { font-size: 1.1rem; }
p { margin: .7em 0; }
code, pre, kbd { font-family: var(--mono); font-size: .92em; }
code { background: var(--bg-sunken); padding: .12em .38em; border-radius: 4px; }
pre { background: var(--bg-sunken); padding: 12px 14px; border-radius: var(--radius-sm); overflow: auto; border: 1px solid var(--line); }
pre code { background: none; padding: 0; }
blockquote { margin: 1em 0; padding: .4em 1em; border-left: 3px solid var(--brand-2); background: var(--brand-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
hr { border: none; border-top: 1px solid var(--line); margin: 1.6em 0; }
table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: .94em; }
th, td { border: 1px solid var(--line-strong); padding: .45em .7em; text-align: left; vertical-align: top; }
th { background: var(--bg-sunken); font-weight: 600; }
img { max-width: 100%; }

/* ---------- 布局 ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 16px; height: 56px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 1.02rem; color: var(--ink); letter-spacing: .2px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px; flex: none;
  display: grid; place-items: center; overflow: hidden;
}
img.brand-mark { object-fit: contain; display: block; }
.nav { display: flex; gap: 4px; margin-left: 6px; flex-wrap: wrap; }
.nav a {
  padding: 6px 11px; border-radius: var(--radius-sm); color: var(--ink-2); font-size: .92rem; font-weight: 500;
}
.nav a:hover { background: var(--bg-sunken); text-decoration: none; color: var(--ink); }
.nav a.active { background: var(--brand-soft); color: var(--brand); }
.spacer { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

.card { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.card-pad { padding: 18px 20px; }
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--ink-3); font-size: .9em; }
.mono { font-family: var(--mono); }
.small { font-size: .85em; }
.right { margin-left: auto; }
.center { text-align: center; }
.hide { display: none !important; }

/* ---------- 控件 ---------- */
button, .btn {
  font: inherit; font-size: .92rem; font-weight: 550;
  padding: 7px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong); background: var(--bg-alt); color: var(--ink);
  cursor: pointer; transition: .13s ease; display: inline-flex; align-items: center; gap: 6px;
}
button:hover, .btn:hover { border-color: var(--brand-2); color: var(--brand-2); text-decoration: none; }
button:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary, button.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover, button.primary:hover { background: var(--brand-2); border-color: var(--brand-2); color: #fff; }
.btn-danger { color: var(--danger); border-color: #e6c9c6; }
.btn-danger:hover { background: #fdeceb; border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 4px 9px; font-size: .84rem; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--bg-sunken); }

input[type=text], input[type=password], input[type=email], input[type=number], input[type=search], select, textarea {
  font: inherit; font-size: .92rem; padding: 7px 11px; border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand-2); }
textarea { resize: vertical; line-height: 1.6; }
label.field { display: block; margin: 10px 0; }
label.field > span { display: block; font-size: .86rem; color: var(--ink-2); margin-bottom: 4px; font-weight: 550; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: flex-end; }
.chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: .82rem; background: var(--bg-sunken); border: 1px solid var(--line); color: var(--ink-2);
}
.chip.vowel { background: #fdeeed; border-color: #f0cdc9; color: var(--vowel); }
.chip.cons { background: #eaf0fd; border-color: #cdd9f5; color: var(--cons); }
.chip.ignored { opacity: .55; text-decoration: line-through; }
.tag { font-size: .78rem; padding: 1px 7px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); border: 1px solid #e8d6c2; }
.badge { font-size: .76rem; padding: 1px 7px; border-radius: 4px; border: 1px solid var(--line-strong); color: var(--ink-3); }
.badge.ok { color: var(--ok); border-color: #bfe0cc; background: #eef8f2; }
.badge.warn { color: var(--warn); border-color: #ecd9a8; background: #fdf6e4; }
.badge.err { color: var(--danger); border-color: #eecac6; background: #fdeceb; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button {
  border: none; background: none; border-bottom: 2px solid transparent; border-radius: 0;
  padding: 8px 13px; color: var(--ink-3); font-weight: 550;
}
.tabs button:hover { color: var(--ink); border-color: var(--line-strong); }
.tabs button.active { color: var(--brand); border-color: var(--brand); }

.toast-wrap { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: #23221f; color: #f3f2ee; padding: 9px 15px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow); font-size: .9rem; max-width: 360px; animation: toast-in .18s ease;
}
.toast.err { background: #7d1d18; }
.toast.ok { background: #14512d; }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }

.modal-back {
  position: fixed; inset: 0; background: rgba(28, 27, 25, .42); z-index: 150;
  display: grid; place-items: center; padding: 20px;
}
.modal {
  background: var(--bg-alt); border-radius: var(--radius); box-shadow: var(--shadow);
  width: min(560px, 100%); max-height: 88vh; overflow: auto;
}
.modal header { padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 650; }
.modal .body { padding: 16px 18px; }
.modal footer { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; gap: 8px; justify-content: flex-end; }

.empty { padding: 34px 16px; text-align: center; color: var(--ink-3); }
.err-line { color: var(--danger); font-size: .88rem; white-space: pre-wrap; }
.ok-line { color: var(--ok); font-size: .88rem; }

/* ---------- 加载 ---------- */
.spinner {
  width: 16px; height: 16px; border: 2px solid var(--line-strong);
  border-top-color: var(--brand); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }