/* ==========================================================================
   三角洲行动 · 改枪码库  —— 前台样式
   设计取向：深色、低饱和、把「码」和「复制按钮」当主角。
   ========================================================================== */

:root {
  --bg:        #0b0f14;
  --bg-soft:   #111823;
  --panel:     #141c28;
  --panel-hi:  #1b2534;
  --line:      #24303f;
  --line-soft: #1c2531;
  --txt:       #e6edf6;
  --txt-dim:   #94a3b8;
  --txt-faint: #64748b;
  --accent:    #e8a33d;   /* 战术橙 */
  --accent-dim:#7a5a26;
  --ok:        #34d399;
  --danger:    #f87171;
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 12px 34px rgba(0,0,0,.45);
  --mono:      ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(232,163,61,.09), transparent 60%),
    radial-gradient(760px 420px at 88% 0%, rgba(56,120,220,.08), transparent 62%),
    var(--bg);
  color: var(--txt);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 18px; }

a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------- 顶栏 */

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11,15,20,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 58px; gap: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 32px; height: 32px; flex: 0 0 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(145deg, var(--accent), #b4761f);
  color: #1a1206; font-weight: 800; font-size: 13px; letter-spacing: .5px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 15px; letter-spacing: .2px; }
.brand-text em {
  font-style: normal; font-size: 11px; color: var(--txt-faint); letter-spacing: .8px;
}
.topbar-meta { font-size: 12.5px; color: var(--txt-faint); }
.topbar-meta b { color: var(--accent); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- Hero */

.hero { padding: 40px 0 8px; }
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.28;
  letter-spacing: -.4px;
}
.hero-sub { margin: 0 0 22px; color: var(--txt-dim); max-width: 62ch; font-size: 14.5px; }

.searchbox { position: relative; display: flex; align-items: center; }
.searchbox-icon {
  position: absolute; left: 15px; width: 19px; height: 19px;
  fill: none; stroke: var(--txt-faint); stroke-width: 2;
  stroke-linecap: round; pointer-events: none;
}
#q {
  width: 100%; height: 52px;
  padding: 0 46px 0 44px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--txt); font-size: 15px;
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
#q::placeholder { color: var(--txt-faint); }
#q:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(232,163,61,.13);
  background: var(--panel-hi);
}
#q::-webkit-search-cancel-button { display: none; }
.searchbox-clear {
  position: absolute; right: 12px;
  width: 26px; height: 26px; border: 0; border-radius: 50%;
  background: var(--line); color: var(--txt-dim);
  font-size: 12px; line-height: 1; cursor: pointer;
}
.searchbox-clear:hover { background: var(--panel-hi); color: var(--txt); }

/* ---------------------------------------------------------------- 筛选 */

.filters {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 10px 22px; margin-top: 16px;
}
.filter-group { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.filter-tail { margin-left: auto; }
.filter-label {
  font-size: 12px; color: var(--txt-faint);
  letter-spacing: .6px; margin-right: 2px;
}
.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--txt-dim);
  height: 30px; padding: 0 12px;
  border-radius: 999px;
  font-size: 13px; cursor: pointer;
  transition: all .14s;
  white-space: nowrap;
}
.chip:hover { border-color: var(--accent-dim); color: var(--txt); }
.chip.on {
  background: rgba(232,163,61,.14);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

select {
  height: 32px; padding: 0 26px 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--txt-dim); font-size: 13px; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2364748b' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}
select:focus { outline: none; border-color: var(--accent-dim); }

/* ---------------------------------------------------------------- 结果条 */

.resultbar {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  margin: 26px 0 14px;
  font-size: 13px; color: var(--txt-faint);
}
.resultbar b { color: var(--accent); font-variant-numeric: tabular-nums; }
.resultbar-hint { color: var(--txt-faint); }

/* ---------------------------------------------------------------- 卡片 */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(318px, 1fr));
  gap: 14px;
  padding-bottom: 20px;
}

.card {
  position: relative;
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, var(--panel-hi), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  transition: border-color .16s, transform .16s, box-shadow .16s;
}
.card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card.is-copied { border-color: var(--ok); }

.card-head { display: flex; align-items: flex-start; gap: 8px; }
.card-gun {
  margin: 0; font-size: 16.5px; line-height: 1.3; letter-spacing: -.1px;
  flex: 1; min-width: 0;
  overflow-wrap: anywhere;
}
.badge {
  flex: 0 0 auto;
  font-size: 11px; line-height: 1; padding: 5px 8px;
  border-radius: 6px;
  background: var(--line); color: var(--txt-dim);
  white-space: nowrap;
}
.badge-mode-烽火地带 { background: rgba(232,163,61,.15); color: #e8b463; }
.badge-mode-全面战场 { background: rgba(76,141,255,.14); color: #82a7ff; }

.card-meta {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 9px 0 0;
  font-size: 12px; color: var(--txt-faint);
}
.card-meta span { display: inline-flex; align-items: center; gap: 4px; }
.card-meta i {
  font-style: normal; display: inline-block;
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--line); margin: 0 2px;
}

.code-line {
  margin: 12px 0 0;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 11px;
  background: #0a0e13;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  font-family: var(--mono);
  font-size: 12px;
  color: #cbd5e1;
  overflow: hidden;
}
.code-line code {
  flex: 1; min-width: 0;
  /* 改枪码必须完整可见——玩家要对照、要核对，不能截断成省略号 */
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-all;
  letter-spacing: .2px;
  line-height: 1.5;
}

.card-note {
  margin: 10px 0 0;
  font-size: 13px; color: var(--txt-dim); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.tag {
  font-size: 11.5px; padding: 2px 8px; border-radius: 999px;
  background: rgba(148,163,184,.1); color: var(--txt-dim);
}

.card-foot {
  display: flex; align-items: center; gap: 8px;
  margin-top: auto; padding-top: 13px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 40px; padding: 0 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: filter .14s, background .14s, border-color .14s, color .14s;
  font-family: inherit;
}
.btn:active { transform: translateY(1px); }

.btn-copy {
  flex: 1;
  background: linear-gradient(180deg, #e8a33d, #cf8a26);
  color: #1a1206;
}
.btn-copy:hover { filter: brightness(1.07); }
.btn-copy.done {
  background: linear-gradient(180deg, #34d399, #22b07d);
  color: #05231a;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--txt-dim);
}
.btn-ghost:hover { border-color: var(--accent-dim); color: var(--txt); }

.btn-icon {
  width: 40px; flex: 0 0 40px; padding: 0;
  background: transparent; border-color: var(--line); color: var(--txt-faint);
  font-size: 15px;
}
.btn-icon:hover { color: var(--accent); border-color: var(--accent-dim); }

.copy-count {
  font-size: 12px; color: var(--txt-faint);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- 空/加载 */

.empty {
  text-align: center; padding: 56px 20px 70px;
  color: var(--txt-dim);
}
.empty-mark { font-size: 40px; opacity: .55; margin-bottom: 10px; }
.empty p { margin: 0 0 18px; }

.loadmore-wrap { text-align: center; padding: 6px 0 40px; }

.skeleton {
  height: 200px; border-radius: var(--radius);
  background: linear-gradient(100deg, var(--panel) 30%, var(--panel-hi) 50%, var(--panel) 70%);
  background-size: 220% 100%;
  animation: shimmer 1.15s linear infinite;
}
@keyframes shimmer { to { background-position: -220% 0; } }

/* ---------------------------------------------------------------- 提示 */

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 14px);
  background: #1f2937; color: #fff;
  border: 1px solid #374151;
  padding: 11px 20px; border-radius: 999px;
  font-size: 13.5px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 50;
  max-width: 88vw; text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,.5);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: #3f1d1d; border-color: #7f1d1d; }

/* ---------------------------------------------------------------- 页脚 */

.foot {
  margin-top: auto;
  border-top: 1px solid var(--line-soft);
  padding: 22px 0 28px;
  color: var(--txt-faint); font-size: 12px; line-height: 1.7;
}
.foot p { margin: 0 0 6px; }
.foot-dim { color: #4b5766; }

/* ---------------------------------------------------------------- 响应式 */

@media (max-width: 720px) {
  .topbar-meta { display: none; }
  .hero { padding-top: 26px; }
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .filter-tail { margin-left: 0; }
  .filters { gap: 9px 14px; }
  .code-line { font-size: 12px; }
  .btn-copy { height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}