/* ============================================================
   KARDS 军械库 —— 组件层
   ============================================================ */

/* ============================================================
   顶栏
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: 0 var(--space-5);
  background: rgba(16, 19, 9, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: var(--hairline);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.brand-mark {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: var(--color-accent);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  border-radius: var(--radius-xs);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--color-faint);
  text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a {
  position: relative;
  padding: 9px 14px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-2);
  border-radius: var(--radius-xs);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.nav a:hover { color: var(--color-text); background: rgba(233,228,212,.05); }
.nav a.active { color: var(--color-accent); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  background: var(--color-accent);
}

/* ============================================================
   通用按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-4);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.btn:hover { background: var(--color-surface-3); border-color: var(--border-accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink);
  box-shadow: 0 0 0 4px var(--color-accent-dim);
}
.btn-primary:hover { background: var(--color-accent-hot); border-color: var(--color-accent-hot); }
.btn-ghost { background: transparent; }
.btn-sm { min-height: 34px; padding: 0 var(--space-3); font-size: 12.5px; }
.btn-lg { min-height: 52px; padding: 0 var(--space-6); font-size: 15px; }

/* ============================================================
   输入
   ============================================================ */
.input, .select {
  width: 100%;
  min-height: 44px;
  padding: 10px var(--space-3);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.input::placeholder { color: var(--color-faint); }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}
.select {
  appearance: none;
  padding-right: 34px;
  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='%23e0a13a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  cursor: pointer;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ============================================================
   面板
   ============================================================ */
.panel {
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-md);
}
.panel-pad { padding: var(--space-5); }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--hairline);
}

/* ============================================================
   卡牌网格与卡面
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-w), 1fr));
  gap: var(--space-4);
}

.card {
  position: relative;
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--border-accent);
}
.card:active { transform: translateY(-1px); }

.card-img {
  position: relative;
  aspect-ratio: var(--card-ratio);
  background: var(--color-bg-deep);
  overflow: hidden;
}
.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 400ms var(--ease-out);
}
.card:hover .card-img img { transform: scale(1.045); }

/* 卡牌左上角阵营色条 */
.card-faction {
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  z-index: 2;
}

.card-meta {
  padding: 8px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.card-name {
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.card-stat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.card-cost {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
}

/* 类型徽标 */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .08em;
  border-radius: var(--radius-xs);
  border: 1px solid currentColor;
  opacity: .92;
}
.badge-unit { color: #8fae7a; }
.badge-air  { color: #7ba8c4; }
.badge-order{ color: #c9a06a; }
.badge-counter { color: #c47a8a; }

/* 词条小标 */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-2);
  background: var(--color-surface-2);
  border: var(--hairline);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.chip:hover { color: var(--color-accent); border-color: var(--border-accent); }
.chip.on { color: var(--color-ink); background: var(--color-accent); border-color: var(--color-accent); font-weight: 600; }

/* ============================================================
   布局
   ============================================================ */
.layout {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  gap: var(--space-5);
  max-width: var(--page-max);
  margin: 0 auto;
  padding: var(--space-5);
  align-items: start;
}
.layout-wide { grid-template-columns: minmax(0, 1fr); }

.sidebar {
  position: sticky;
  top: calc(var(--topbar-h) + var(--space-5));
  max-height: calc(100vh - var(--topbar-h) - var(--space-6));
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-right: 2px;
}

/* 筛选组 */
.fgroup { border-bottom: var(--hairline); }
.fgroup:last-child { border-bottom: none; }
.fgroup-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: 46px;
  padding: 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-2);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}
.fgroup-head:hover { color: var(--color-accent); }
.fgroup-head .cnt {
  font-size: 10px;
  color: var(--color-faint);
  font-weight: 400;
}
.fgroup-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
  padding: 0 var(--space-2) var(--space-3);
}
.fopt {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  min-height: 34px;
  font-size: 12.5px;
  color: var(--color-text-2);
  background: var(--color-surface-2);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  cursor: pointer;
  text-align: left;
  transition: all var(--dur-fast) var(--ease-out);
}
.fopt:hover { color: var(--color-text); background: var(--color-surface-3); }
.fopt.on {
  color: var(--color-ink);
  background: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 600;
}
.fopt .dot {
  width: 8px; height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}
.fopt .num {
  margin-left: auto;
  font-size: 10px;
  color: var(--color-faint);
}
.fopt.on .num { color: rgba(18,20,12,.6); }

/* 搜索框 */
.search-wrap { position: relative; }
.search-wrap .input { padding-left: 38px; }
.search-wrap svg {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* 工具条 */
.toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.toolbar .count {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--color-muted);
}
.toolbar .count b { color: var(--color-accent); font-size: 14px; }

/* ============================================================
   卡牌详情弹窗
   ============================================================ */
.modal-bg {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  background: rgba(6, 8, 3, 0.82);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.modal-bg.open { opacity: 1; pointer-events: auto; }

.modal {
  position: relative;
  width: min(880px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3);
  transform: translateY(20px) scale(.98);
  transition: transform var(--dur-slow) var(--ease-out);
}
.modal-bg.open .modal { transform: none; }

.modal-img {
  border-radius: var(--radius-sm);
  overflow: hidden;
  align-self: start;
  position: sticky;
  top: 0;
  box-shadow: var(--shadow-2);
}
.modal-img img { width: 100%; display: block; }

.modal-close {
  position: absolute;
  top: var(--space-3); right: var(--space-3);
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--color-text-2);
  background: var(--color-surface-3);
  border: var(--hairline);
  border-radius: var(--radius-xs);
  cursor: pointer;
  z-index: 3;
  transition: all var(--dur-fast) var(--ease-out);
}
.modal-close:hover { color: var(--color-danger); border-color: var(--color-danger); }

.detail-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
}
.detail-row:last-of-type { border-bottom: none; }
.detail-key {
  flex-shrink: 0;
  width: 62px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-faint);
}
.detail-val { font-size: 13.5px; color: var(--color-text); }

/* 攻防数值格 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin: var(--space-4) 0;
}
.stat-box {
  padding: var(--space-3);
  text-align: center;
  background: var(--color-bg-deep);
  border: var(--hairline);
  border-radius: var(--radius-xs);
}
.stat-box .v {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}
.stat-box .k {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-faint);
}

/* ============================================================
   Toast
   ============================================================ */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
  pointer-events: none;
}
.toast {
  padding: 12px 20px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface-3);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-2);
  animation: toastIn 300ms var(--ease-out);
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ============================================================
   空态 / 加载
   ============================================================ */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-5);
  text-align: center;
}
.empty-mark {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--color-faint);
  opacity: .4;
}
.empty h3 { color: var(--color-text-2); }
.empty p { color: var(--color-faint); font-size: 13.5px; max-width: 40ch; }

.skel {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface-3) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: skel 1.4s infinite linear;
  border-radius: var(--radius-xs);
}
@keyframes skel { to { background-position: -200% 0; } }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0; bottom: 0;
    width: min(340px, 86vw);
    z-index: 90;
    max-height: none;
    background: var(--color-surface);
    border-right: 1px solid var(--border-strong);
    padding: var(--space-4);
    box-shadow: var(--shadow-3);
    transform: translateX(-102%);
    transition: transform var(--dur-base) var(--ease-out);
  }
  .sidebar.open { transform: none; }
  .filter-toggle { display: inline-flex !important; }
  .modal { grid-template-columns: 240px 1fr; }
}

@media (max-width: 720px) {
  .layout { padding: var(--space-3); gap: var(--space-4); }
  .modal { grid-template-columns: 1fr; padding: var(--space-4); }
  .modal-img { max-width: 260px; margin: 0 auto; position: static; }
  .topbar { padding: 0 var(--space-3); gap: var(--space-3); }
  .brand-text { display: none; }
  :root { --card-w: 140px; }
  .card-grid { gap: var(--space-3); }
}

.filter-toggle { display: none; }

.sidebar-scrim {
  position: fixed;
  inset: var(--topbar-h) 0 0;
  z-index: 80;
  background: rgba(6,8,3,.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.sidebar-scrim.on { opacity: 1; pointer-events: auto; }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  position: relative;
  z-index: 10;
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-5);
  border-top: var(--hairline);
  background: var(--color-bg-deep);
}
.footer-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--color-faint);
}
.footer-inner .mono { font-size: 11px; letter-spacing: .08em; }

.disclaimer {
  padding: var(--space-3) var(--space-4);
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-muted);
  background: var(--color-surface);
  border-left: 3px solid var(--color-warn);
  border-radius: var(--radius-xs);
}