/* =============================================================
   集合开黑 · 工具中心 / 资源页样式  tools.css
   ============================================================= */

/* ---------- Hero ---------- */
.page-hero { padding: var(--sp-8) 0 var(--sp-6); }
.page-hero .h1 { max-width: 20ch; }
.page-hero .lead { margin-top: var(--sp-4); }

/* ---------- 工具 Tab（分段控件） ---------- */
.tool-tabs {
  position: sticky; top: 68px; z-index: 60;
  display: flex; gap: 6px; padding: 6px;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border: 1px solid var(--border-soft); border-radius: var(--r-pill);
  margin: var(--sp-5) 0 var(--sp-6);
  overflow-x: auto; scrollbar-width: none;
}
.tool-tabs::-webkit-scrollbar { display: none; }
.tool-tab {
  flex: 1 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 11px 20px; border: 0; background: transparent; cursor: pointer;
  border-radius: var(--r-pill); font-weight: 700; font-size: 15px; color: var(--muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tool-tab .tab-ico { font-size: 17px; line-height: 1; }
.tool-tab:hover { color: var(--text); }
.tool-tab[aria-selected="true"] {
  color: var(--accent-ink);
  background: linear-gradient(100deg, var(--accent), #7ce8fa);
  box-shadow: var(--glow);
}

/* ---------- 面板 ---------- */
.tool-panel { display: none; animation: panelIn .4s var(--ease); }
.tool-panel.is-active { display: block; }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.tool-head { display: flex; flex-wrap: wrap; gap: var(--sp-4); align-items: flex-end; justify-content: space-between; margin-bottom: var(--sp-5); }
.tool-head p { color: var(--muted); max-width: 64ch; }

/* ---------- 计算器双栏 ---------- */
.calc {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: var(--sp-5); align-items: start;
}
@media (max-width: 940px) { .calc { grid-template-columns: 1fr; } }

.calc-panel { padding: var(--sp-5); }
.calc-panel + .calc-panel { }
.calc-panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  padding-bottom: var(--sp-4); margin-bottom: var(--sp-4);
  border-bottom: 1px dashed var(--border);
}
.calc-panel__head h3 { font-size: 16px; font-weight: 700; letter-spacing: .02em; }

/* ---------- 表单字段 ---------- */
.fields { display: grid; gap: var(--sp-4); }
.fields--2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .fields--2 { grid-template-columns: 1fr; } }

.field { display: grid; gap: 7px; }
.field > label { font-size: 13.5px; font-weight: 600; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.field .req { color: var(--danger); }
.field .tip {
  display: inline-grid; place-items: center; width: 15px; height: 15px; border-radius: 50%;
  background: var(--surface-2); color: var(--muted); font-size: 10px; font-weight: 700; cursor: help;
}

.input-wrap { position: relative; display: flex; align-items: center; }
.input, select.input {
  width: 100%; padding: 12px 14px; border-radius: var(--r-md);
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
  font-size: 15px; font-variant-numeric: tabular-nums;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.input:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); background: var(--surface); }
.input.has-unit { padding-right: 52px; }
.input-unit {
  position: absolute; right: 14px; color: var(--muted); font-size: 13.5px; font-weight: 600; pointer-events: none;
}
.field .hint { font-size: 12.5px; color: var(--muted); }
.field.is-invalid .input { border-color: var(--danger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 18%, transparent); }
.field .err { font-size: 12.5px; color: var(--danger); min-height: 0; display: none; }
.field.is-invalid .err { display: block; }

/* 单位选择（input + 后缀下拉） */
.input-suffix { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); }
.input-suffix select {
  appearance: none; border: 0; background: var(--surface-2); color: var(--text-2);
  padding: 6px 26px 6px 10px; border-radius: var(--r-sm); font-size: 13px; font-weight: 600; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238494b8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}

/* 预设 chips */
.presets { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 14px; border-radius: var(--r-pill); cursor: pointer;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-2);
  font-size: 13.5px; font-weight: 600;
  transition: all var(--dur) var(--ease);
}
.chip:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); }
.chip[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 15%, transparent); border-color: var(--accent); color: var(--accent); }

/* 开关 */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; font-size: 14px; color: var(--text-2); }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track { width: 44px; height: 25px; border-radius: 99px; background: var(--border); position: relative; transition: background var(--dur) var(--ease); flex: 0 0 auto; }
.switch .track::after { content:""; position: absolute; top: 3px; left: 3px; width: 19px; height: 19px; border-radius: 50%; background: #fff; transition: transform var(--dur) var(--ease); }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(19px); }

/* ---------- 结果区 ---------- */
.result-panel { position: sticky; top: 140px; }
@media (max-width: 940px) { .result-panel { position: static; } }

.kpi-hero {
  border-radius: var(--r-md); padding: var(--sp-5);
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 14%, var(--surface)), var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
}
.kpi-hero.is-warn { background: linear-gradient(140deg, color-mix(in srgb, var(--warn) 14%, var(--surface)), var(--surface)); border-color: color-mix(in srgb, var(--warn) 30%, var(--border)); }
.kpi-hero.is-bad  { background: linear-gradient(140deg, color-mix(in srgb, var(--danger) 13%, var(--surface)), var(--surface)); border-color: color-mix(in srgb, var(--danger) 30%, var(--border)); }
.kpi-hero__label { font-size: 13.5px; color: var(--text-2); font-weight: 600; }
.kpi-hero__value { font-size: clamp(30px, 4.4vw, 42px); font-weight: 850; letter-spacing: -.02em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.kpi-hero__sub { font-size: 13.5px; color: var(--muted); }

.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin-top: var(--sp-4); }
@media (max-width: 560px) { .kpis { grid-template-columns: 1fr 1fr; } }
.kpi { padding: var(--sp-4); border-radius: var(--r-md); background: var(--bg-soft); border: 1px solid var(--border-soft); }
.kpi__label { font-size: 12.5px; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 5px; }
.kpi__value { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; margin-top: 2px; }
.kpi__value.ok { color: var(--ok); } .kpi__value.warn { color: var(--warn); } .kpi__value.bad { color: var(--danger); }
.kpi__value small { font-size: 13px; font-weight: 600; color: var(--muted); }

/* 结果明细表 */
.result-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.result-table caption { text-align: left; font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.result-table th, .result-table td { padding: 9px 10px; text-align: right; border-bottom: 1px solid var(--border-soft); font-variant-numeric: tabular-nums; }
.result-table th:first-child, .result-table td:first-child { text-align: left; }
.result-table thead th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
.result-table tbody tr:hover { background: var(--surface-2); }
.result-table tfoot td { font-weight: 800; border-top: 1px solid var(--border); border-bottom: 0; }

/* 迷你条图 */
.bars { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 84px 1fr 76px; gap: 10px; align-items: center; font-size: 13px; }
.bar-row .bar-label { color: var(--muted); }
.bar { height: 9px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); width: 0; transition: width .6s var(--ease); }
.bar > span.is-warn { background: linear-gradient(90deg, var(--warn), #ff8a3d); }
.bar > span.is-bad  { background: linear-gradient(90deg, var(--danger), #ff8a3d); }
.bar-row .bar-val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; }

/* 评级灯 */
.rating { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.rating.warn .dot { background: var(--warn); box-shadow: 0 0 0 4px color-mix(in srgb, var(--warn) 22%, transparent); }
.rating.bad .dot  { background: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 22%, transparent); }

/* 结算/操作条 */
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--sp-5); }

/* ---------- 资源页 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--sp-5); }
.filter-chip {
  padding: 9px 16px; border-radius: var(--r-pill); cursor: pointer; font-size: 14px; font-weight: 600;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-2); transition: all var(--dur) var(--ease);
}
.filter-chip:hover { border-color: var(--accent); color: var(--text); }
.filter-chip.is-active { background: linear-gradient(100deg, var(--accent), #7ce8fa); color: var(--accent-ink); border-color: transparent; }

.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
@media (max-width: 980px) { .res-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .res-grid { grid-template-columns: 1fr; } }

.res-card { display: flex; flex-direction: column; gap: 12px; }
.res-card__ico {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; font-size: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--accent-2) 22%, transparent));
  border: 1px solid var(--border);
}
.res-card h3 { font-size: 17px; font-weight: 700; }
.res-card p { color: var(--muted); font-size: 14px; flex: 1; }
.res-card__meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 12.5px; color: var(--muted); }
.res-card.is-hidden { display: none; }
.res-empty { display: none; text-align: center; padding: var(--sp-7) 0; color: var(--muted); }
.res-empty.is-show { display: block; }

/* ---------- Toast ---------- */
.toast-wrap { position: fixed; right: 20px; bottom: 20px; z-index: 300; display: grid; gap: 10px; }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 18px; border-radius: var(--r-md);
  background: var(--surface-2); border: 1px solid var(--border); box-shadow: var(--shadow);
  font-size: 14px; font-weight: 600; color: var(--text);
  animation: toastIn .3s var(--ease);
}
.toast.ok { border-color: color-mix(in srgb, var(--accent) 46%, var(--border)); }
.toast.bad { border-color: color-mix(in srgb, var(--danger) 46%, var(--border)); }
@keyframes toastIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* 计算中微动效 */
.is-computing { position: relative; }
.is-computing::after {
  content:""; position: absolute; top: 10px; right: 12px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); animation: pulseGlow .9s ease-in-out infinite;
}

/* ---------- 页内锚点高亮 ---------- */
.tool-panel:target { scroll-margin-top: 150px; }