/* ═══════════════════════════════════════════════════════════════════════════
   components.css — 通用组件（按钮 / 表单 / 卡片 / 弹层 / 提示 / 表格 / 空态）
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 按钮 ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 14px;
  border-radius: var(--r-sm);
  font-size: 13px; font-weight: 550; letter-spacing: 0.005em;
  white-space: nowrap;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-3);
  -webkit-backdrop-filter: blur(14px) saturate(170%);
  backdrop-filter: blur(14px) saturate(170%);
  color: var(--ink);
  transition: transform 0.16s var(--ease), background 0.2s var(--ease),
              border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { background: var(--glass-bg); transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.985); }
.btn .ico { width: 15px; height: 15px; }
.btn[disabled] { opacity: 0.42; pointer-events: none; }

.btn--primary {
  color: var(--accent-ink);
  border-color: transparent;
  background: var(--accent);                  /* 纯色，不用渐变 */
  box-shadow: 0 3px 10px color-mix(in srgb, var(--accent) 30%, transparent);
}
.btn--primary:hover { box-shadow: 0 5px 16px color-mix(in srgb, var(--accent) 38%, transparent); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn--ghost:hover { background: var(--glass-bg-3); color: var(--ink); }
.btn--danger { color: #fff; border-color: transparent; background: var(--danger); box-shadow: 0 3px 10px color-mix(in srgb, var(--danger) 30%, transparent); }
.btn--sm { height: 28px; padding: 0 10px; font-size: 12px; border-radius: var(--r-xs); }
.btn--sm .ico { width: 13px; height: 13px; }
.btn--lg { height: 44px; padding: 0 22px; font-size: 14.5px; border-radius: var(--r-md); }
.btn--icon { width: 34px; padding: 0; }
.btn--icon.btn--sm { width: 28px; }
.btn--block { width: 100%; }

/* ── 表单 ───────────────────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 12px; font-weight: 600; color: var(--ink-2); letter-spacing: 0.01em; }
.field-hint { font-size: 11.5px; color: var(--ink-3); }
.input, .textarea, .select {
  width: 100%; padding: 9px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-3);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  color: var(--ink);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-4); }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: 0 0 0 3.5px color-mix(in srgb, var(--accent) 16%, transparent);
  background: var(--glass-bg);
}
.textarea { resize: vertical; min-height: 92px; line-height: 1.6; }
.select { appearance: none; padding-right: 32px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
[data-theme="dark"] .select option { background: #1a1e28; color: var(--ink); }

.search {
  display: flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 12px;
  border-radius: 99px;
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-3);
  min-width: 200px;
}
.search .ico { width: 15px; height: 15px; color: var(--ink-3); }
.search input { flex: 1; min-width: 0; border: 0; background: none; outline: none; font-size: 13px; }
.search:focus-within { border-color: color-mix(in srgb, var(--accent) 55%, transparent); box-shadow: 0 0 0 3.5px color-mix(in srgb, var(--accent) 14%, transparent); }

.switch { position: relative; display: inline-flex; align-items: center; width: 44px; height: 26px; flex: none; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute; inset: 0; border-radius: 99px;
  background: var(--ink-4); transition: background 0.26s var(--ease);
}
.switch .track::after {
  content: ""; position: absolute; top: 2.5px; left: 2.5px;
  width: 21px; height: 21px; border-radius: 50%; background: #fff;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.22);
  transition: transform 0.26s var(--ease-out);
}
.switch input:checked + .track { background: var(--ok); }
.switch input:checked + .track::after { transform: translateX(18px); }

/* ── 卡片 / 面板 ────────────────────────────────────────────────────────── */
.panel { border-radius: var(--r-lg); padding: var(--sp-5); }
.panel--tight { padding: var(--sp-4); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.panel-title { font-size: 14.5px; font-weight: 620; letter-spacing: -0.01em; display: flex; align-items: center; gap: 7px; }
.panel-title .ico { width: 16px; height: 16px; color: var(--accent); }
.panel-desc { font-size: 12px; color: var(--ink-3); margin-top: 2px; }

/* ── 药丸 / 标签 / 徽标 ─────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  height: 29px; padding: 0 12px;
  border-radius: 99px;
  font-size: 12.5px; font-weight: 520;
  color: var(--ink-2);
  border: 1px solid var(--glass-edge);
  background: var(--glass-bg-3);
  transition: all 0.2s var(--ease);
}
.chip:hover { color: var(--ink); background: var(--glass-bg); }
.chip.is-active { color: var(--accent-ink); background: var(--accent); border-color: transparent; box-shadow: 0 3px 10px color-mix(in srgb, var(--accent) 32%, transparent); }
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--nc, currentColor); flex: none; }
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }

.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 99px;
  font-size: 11px; font-weight: 560; line-height: 1.7;
  background: color-mix(in srgb, currentColor 15%, transparent);
  color: var(--ink-2);
}
.tag .ico { width: 12px; height: 12px; }
.tag--ok { color: var(--ok); }
.tag--warn { color: var(--warn); }
.tag--danger { color: var(--danger); }
.tag--accent { color: var(--accent); }
.tag--mute { color: var(--ink-3); }

/* ── 弹层 ───────────────────────────────────────────────────────────────── */
.scrim {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center;
  padding: var(--sp-5);
  background: rgb(8 11 18 / 0.34);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  backdrop-filter: blur(6px) saturate(120%);
  animation: fade-in 0.24s var(--ease) both;
}
[data-theme="dark"] .scrim { background: rgb(0 0 0 / 0.55); }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  position: relative;
  width: min(100%, 560px);
  max-height: min(86vh, 880px);
  display: flex; flex-direction: column;
  border-radius: var(--r-2xl);
  overflow: hidden;
  animation: modal-in 0.4s var(--ease-out) both;
}
.modal--wide { width: min(100%, 880px); }
@keyframes modal-in { from { opacity: 0; transform: translateY(18px) scale(0.97); } to { opacity: 1; transform: none; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-5) var(--sp-3);
  flex: none;
}
.modal-title { font-size: 16.5px; font-weight: 640; letter-spacing: -0.015em; }
.modal-desc { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.modal-body { padding: 0 var(--sp-5) var(--sp-4); overflow-y: auto; flex: 1 1 auto; min-height: 0; }
.modal-foot {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--hairline);
  background: var(--glass-bg-3);
  flex: none;
}
.modal-foot .grow { margin-right: auto; }

/* ── Toast ──────────────────────────────────────────────────────────────── */
.toast-root {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  z-index: 90; display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  border-radius: 99px;
  font-size: 13px; font-weight: 520;
  color: var(--ink);
  background: var(--glass-bg-2);
  -webkit-backdrop-filter: blur(26px) saturate(190%);
  backdrop-filter: blur(26px) saturate(190%);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-glow), 0 12px 34px rgb(15 23 42 / 0.18);
  animation: toast-in 0.34s var(--ease-out) both;
}
[data-theme="dark"] .toast { box-shadow: var(--glass-glow), 0 12px 34px rgb(0 0 0 / 0.5); }
.toast.is-out { animation: toast-out 0.26s var(--ease) both; }
.toast .ico { width: 15px; height: 15px; }
.toast--ok .ico { color: var(--ok); }
.toast--err .ico { color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(14px) scale(0.94); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(8px) scale(0.96); } }

/* ── 表格 ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r-md); border: 1px solid var(--hairline); }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 10px 12px; text-align: left; white-space: nowrap; }
.table thead th {
  font-size: 11.5px; font-weight: 620; color: var(--ink-3);
  letter-spacing: 0.03em; text-transform: uppercase;
  background: var(--glass-bg-3);
  border-bottom: 1px solid var(--hairline);
  position: sticky; top: 0; z-index: 2;
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.table tbody tr { border-bottom: 1px solid var(--hairline); transition: background 0.16s var(--ease); }
.table tbody tr:last-child { border-bottom: 0; }
.table tbody tr:hover { background: var(--glass-bg-3); }
.table td.num { font-family: var(--font-num); }

/* ── 空态 ───────────────────────────────────────────────────────────────── */
.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-3);
  padding: 64px 24px; text-align: center; color: var(--ink-3);
}
.empty .ico { width: 40px; height: 40px; opacity: 0.34; }
.empty-title { font-size: 14.5px; font-weight: 600; color: var(--ink-2); }
.empty-desc { font-size: 12.5px; max-width: 380px; line-height: 1.7; }

/* ── 骨架屏 ─────────────────────────────────────────────────────────────── */
.skel {
  border-radius: var(--r-md);
  background: linear-gradient(100deg, var(--ink-4) 20%, color-mix(in srgb, var(--ink-4) 45%, transparent) 40%, var(--ink-4) 60%);
  background-size: 220% 100%;
  animation: skel 1.5s linear infinite;
}
@keyframes skel { from { background-position: 140% 0; } to { background-position: -40% 0; } }

/* ── 工具类 ─────────────────────────────────────────────────────────────── */
.row { display: flex; align-items: center; gap: var(--sp-3); }
.row--wrap { flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.col { display: flex; flex-direction: column; gap: var(--sp-3); }
.grow { flex: 1 1 auto; min-width: 0; }
.muted { color: var(--ink-3); }
.tiny { font-size: 11.5px; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.hide { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }