/* ===== 塔防山海经 素材管理后台 样式（国风水墨深色） ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #14100a;
  --bg2: #1f1810;
  --panel: #2a2014;
  --panel2: #322613;
  --gold: #c8a95a;
  --gold2: #f2e3c0;
  --line: rgba(200, 169, 90, 0.25);
  --text: #f2e3c0;
  --text-dim: rgba(242, 227, 192, 0.6);
  --danger: #e0604a;
  --ok: #7bdc7a;
}
body {
  font-family: "KaiTi", "STKaiti", "PingFang SC", "Microsoft YaHei", serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.hidden { display: none !important; }
button { font-family: inherit; cursor: pointer; }

.btn {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 14px;
  transition: all .15s;
}
.btn:hover { border-color: var(--gold); color: var(--gold2); }
.btn-gold {
  background: linear-gradient(180deg, #d8b868, #a8873c);
  color: #1a1408;
  border: none;
  font-weight: bold;
}
.btn-gold:hover { filter: brightness(1.08); color: #1a1408; }
.btn-ghost { background: transparent; }
.btn-danger { border-color: rgba(224, 96, 74, 0.5); color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 13px; }

/* ---------- 登录 ---------- */
.login-view {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(200, 169, 90, 0.12), transparent 60%),
    var(--bg);
}
.login-panel {
  width: 320px; padding: 40px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.login-title { font-size: 34px; letter-spacing: 8px; color: var(--gold2); }
.login-sub { margin: 8px 0 26px; color: var(--text-dim); letter-spacing: 4px; font-size: 14px; }
.login-input {
  width: 100%; padding: 11px 14px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 8px; color: var(--text); font-size: 16px;
  font-family: inherit; text-align: center;
  outline: none;
}
.login-input:focus { border-color: var(--gold); }
.login-btn { width: 100%; margin-top: 18px; padding: 11px; font-size: 16px; letter-spacing: 6px; }
.login-err { margin-top: 12px; color: var(--danger); min-height: 18px; font-size: 13px; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 22px; letter-spacing: 3px; color: var(--gold2); }
.brand-sub { font-size: 14px; color: var(--text-dim); letter-spacing: 2px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.version-badge {
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 20px;
  font-size: 13px; color: var(--text-dim); background: var(--bg2);
}

/* ---------- Tab ---------- */
.tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 12px 22px 0;
  border-bottom: 1px solid var(--line);
}
.tab {
  padding: 9px 26px; border: 1px solid transparent; border-bottom: none;
  background: transparent; color: var(--text-dim);
  font-size: 16px; letter-spacing: 2px;
  border-radius: 8px 8px 0 0;
}
.tab:hover { color: var(--gold2); }
.tab.active {
  background: var(--panel2); color: var(--gold2);
  border-color: var(--line);
  border-bottom: 2px solid var(--gold);
}

/* ---------- 卡片网格 ---------- */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  padding: 22px;
  max-width: 1440px; margin: 0 auto;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow .15s;
}
.card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.45); }
.card-head {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: var(--panel2);
  border-bottom: 1px solid var(--line);
}
.card-avatar {
  width: 52px; height: 52px; border-radius: 8px;
  background: var(--bg2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; cursor: zoom-in;
  border: 1px solid var(--line);
}
.card-avatar img { width: 100%; height: 100%; object-fit: contain; }
.card-avatar canvas { width: 100%; height: 100%; object-fit: contain; }
.avatar-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 2px;
}
.avatar-fallback .swatches { display: flex; gap: 6px; }
.avatar-fallback .sw { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3); }
.avatar-fallback .cat-label { font-size: 11px; color: var(--text-dim); }
.card-title { flex: 1; min-width: 0; }
.card-name { font-size: 17px; color: var(--gold2); font-weight: bold; }
.card-rank { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 10px;
  font-size: 11px; border: 1px solid var(--line);
}
.badge-hasimg { color: var(--ok); border-color: rgba(123,220,122,0.4); }
.badge-null { color: var(--text-dim); }

.card-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field-label { font-size: 12px; color: var(--text-dim); }
.field input[type="text"], .field select, .field textarea {
  width: 100%; padding: 8px 10px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 6px; color: var(--text);
  font-family: inherit; font-size: 14px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); }
.field textarea { resize: vertical; min-height: 54px; font-size: 12px; line-height: 1.5; }
.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }
.color-input-wrap { display: flex; align-items: center; gap: 8px; }
.color-input-wrap input[type="color"] {
  width: 34px; height: 32px; padding: 2px; border: 1px solid var(--line);
  border-radius: 6px; background: var(--bg2); cursor: pointer;
}
.color-input-wrap input[type="text"] { flex: 1; }

.upload-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.upload-row input[type="file"] { display: none; }
.upload-hint { font-size: 11px; color: var(--text-dim); }
.upload-label { font-size: 12px; color: var(--gold); min-width: 62px; }

/* ---------- 防御塔分级造型 + 弹体图上传区块 ---------- */
.tower-uploads {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  background: rgba(0, 0, 0, 0.18);
}
.tower-uploads-title { font-size: 12px; color: var(--gold); letter-spacing: 1px; line-height: 1.5; }
.tower-level-row { flex-wrap: wrap; }
.frame-label {
  display: flex; align-items: center; gap: 4px;
  font-size: 11px; color: var(--text-dim);
}
.frame-label input[type="number"] {
  width: 54px; padding: 3px 5px;
}

/* ---------- 防御塔动作动画上传区块 ---------- */
.tower-anim-box {
  border: 1px dashed rgba(200, 169, 90, 0.4);
  border-radius: 8px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  background: rgba(90, 70, 30, 0.18);
}
.tower-anim-title { font-size: 12px; color: var(--gold2); letter-spacing: 1px; line-height: 1.5; }
.tower-anim-row { flex-wrap: wrap; }
.frame-file-label {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 11px; color: var(--text-dim); cursor: pointer;
}
.frame-file-label input[type="file"] { display: none; }
.frame-file-label::before {
  content: '+'; display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border: 1px dashed var(--line); border-radius: 6px;
  font-size: 18px; color: var(--gold);
}
.frame-file-label:hover::before { border-color: var(--gold); }
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 12px;
}

/* ---------- 防御塔数值属性编辑 ---------- */
.tower-stats-box {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  background: rgba(0, 0, 0, 0.12);
}
.tower-stats-title { font-size: 12px; color: var(--gold); letter-spacing: 1px; }
.tower-stat-row {
  display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap;
  padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px;
  background: rgba(0,0,0,0.12);
}
.tower-stat-lv {
  min-width: 32px; font-size: 12px; color: var(--gold); padding-bottom: 4px;
}
.stat-input {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 11px; color: var(--text-dim);
  flex: 1; min-width: 54px;
}
.stat-input input[type="number"] {
  width: 100%; padding: 4px 6px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 13px;
}
.special-row { border-color: rgba(200,169,90,0.35); }

/* ---------- SSR 塔 LV4 专属（第 4 等级 / 特技参数 / 绝招动画） ---------- */
.lv4-row {
  border-color: rgba(123, 220, 122, 0.55);
  background: rgba(30, 70, 40, 0.28);
}
.lv4-row .tower-stat-lv { color: var(--ok); }
.tower-ability-box {
  border: 1px solid rgba(123, 220, 122, 0.35);
  border-radius: 8px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  background: rgba(30, 70, 40, 0.15);
}
.tower-ability-box .tower-stats-title { color: var(--ok); }
.tower-ability-tip { font-size: 11px; color: var(--text-dim); line-height: 1.6; }
.tower-hp-tip { font-size: 11px; color: var(--text-dim); line-height: 1.6; border: 1px dashed rgba(123,220,122,0.3); border-radius: 6px; padding: 6px 8px; }
.tower-ability-row { flex-wrap: wrap; }
.tower-ability-row select {
  padding: 4px 6px; font-size: 12px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-family: inherit;
}
.tower-ability-anim-frames {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 11px; color: var(--text-dim);
  border: 1px dashed rgba(123, 220, 122, 0.35); border-radius: 6px;
  padding: 8px; background: rgba(30, 70, 40, 0.12);
}
.tower-ability-anim-frames input[type="number"] {
  width: 58px; padding: 3px 5px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 12px;
}

/* ---------- 精灵动画素材区块 ---------- */
.sprite-box {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  background: rgba(0, 0, 0, 0.18);
}
.sprite-title { font-size: 12px; color: var(--gold); letter-spacing: 1px; }
.sprite-parts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.sprite-parts label {
  display: flex; flex-direction: column; gap: 3px;
  font-size: 11px; color: var(--text-dim);
}
.sprite-parts input[type="file"] { font-size: 11px; color: var(--text-dim); }
.sprite-meta {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-dim); flex-wrap: wrap;
}
.sprite-meta input[type="number"] {
  width: 64px; padding: 4px 6px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 12px;
}
.sprite-frames {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 11px; color: var(--text-dim);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 8px; background: rgba(0, 0, 0, 0.12);
}
.sprite-frames-tip { width: 100%; color: var(--gold); line-height: 1.5; }
.sprite-frames label { display: flex; align-items: center; gap: 4px; }
.sprite-frames input[type="number"] {
  width: 52px; padding: 3px 5px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 12px;
}

/* ---------- 精灵 BOSS 提示 / BOSS 拆塔参数区块 ---------- */
.sprite-boss-note {
  font-size: 11px; color: var(--gold2); line-height: 1.6;
  border: 1px dashed rgba(200, 169, 90, 0.55);
  border-radius: 6px; padding: 6px 8px;
  background: rgba(90, 70, 30, 0.16);
}
.sprite-boss-note b { color: var(--gold); }
.boss-tower-box {
  border-style: dashed;
  border-color: rgba(200, 169, 90, 0.6);
  background: rgba(90, 70, 30, 0.2);
}
.boss-tower-box .upload-row { gap: 14px; }
.boss-tower-box .upload-hint {
  line-height: 1.6; font-size: 11px; max-width: 460px;
  border-left: 2px solid rgba(200,169,90,0.4); padding-left: 8px;
}
.boss-tower-box .frame-label input[type="number"] {
  width: 64px; padding: 3px 5px;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 5px; color: var(--text); font-size: 12px;
}

.card-actions { display: flex; gap: 8px; justify-content: flex-end; padding: 0 14px 14px; }
.card-actions .spacer { flex: 1; }

/* ---------- 音乐音效页 ---------- */
.audio-section {
  grid-column: 1 / -1;
  display: flex; flex-direction: column; gap: 10px;
}
.audio-section-title {
  font-size: 16px; color: var(--gold2); letter-spacing: 2px;
  padding: 8px 2px; border-bottom: 1px solid var(--line);
}
.audio-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.audio-card:hover { box-shadow: 0 6px 22px rgba(0,0,0,0.4); }
.audio-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.audio-name { font-size: 15px; color: var(--gold2); font-weight: bold; }
.audio-kind {
  font-size: 11px; padding: 2px 10px; border-radius: 10px;
  border: 1px solid rgba(200,169,90,0.4); color: var(--gold);
}
.audio-sub { font-size: 12px; color: var(--text-dim); }
.audio-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.audio-row input[type="file"] { display: none; }
.btn-upload { border-color: rgba(123,220,122,0.4); color: var(--ok); }
.btn-upload:hover { border-color: var(--ok); color: var(--ok); }

/* ---------- 首页背景 ---------- */
.home-thumb {
  margin-top: 8px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  max-width: 320px; position: relative;
}
.home-thumb img {
  display: block; width: 100%; max-height: 260px; object-fit: cover;
}
.home-thumb span {
  display: block; padding: 4px 8px; font-size: 12px; color: var(--text-dim);
  background: var(--panel2); text-align: center;
}

.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%);
  padding: 10px 26px; border-radius: 8px;
  background: var(--panel2); border: 1px solid var(--gold);
  color: var(--gold2); font-size: 15px; z-index: 100;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  opacity: 0; transition: opacity .2s;
}
.toast.show { opacity: 1; }

/* ---------- 预览弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(6,4,2,0.8);
  display: flex; align-items: center; justify-content: center;
}
.modal-box {
  max-width: 80vw; max-height: 85vh;
  display: flex; flex-direction: column; gap: 14px; align-items: center;
  padding: 20px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 12px;
}
.modal-box img, .modal-box canvas { max-width: 70vw; max-height: 65vh; border-radius: 8px; background: #14100a; }

/* ---------- 页脚（后端版本诊断） ---------- */
.app-footer {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  padding: 12px 20px; color: var(--text-dim); font-size: 12px;
  border-top: 1px solid var(--line);
}
.app-footer b { color: var(--gold2); }
.footer-tip { opacity: .7; }

/* ---------- 塔数值「最近保存」 ---------- */
.tower-stats-meta {
  font-size: 12px; color: var(--text-dim); margin: 0 0 8px 2px;
}

@media (max-width: 640px) {
  .brand { font-size: 18px; }
  .brand-sub { display: none; }
  .card-list { grid-template-columns: 1fr; padding: 14px; }
  .tabs { padding: 10px 14px 0; }
  .tab { padding: 8px 14px; font-size: 14px; }
}