/* ========================================
   元件宝 — 元器件库存管理 样式
   独立样式文件，复用主站 CSS 变量体系
   ======================================== */

/* --- 基础 --- */
:root {
  color-scheme: dark;
  --inv-sidebar-w: 240px;
  --inv-header-h: 50px;
  --inv-bg: #0d0d0d;
  --inv-card: #181818;
  --inv-border: #2a2a2a;
  --inv-text: #ddd;
  --inv-text-dim: #888;
  --inv-accent: #5a9fd4;
  --inv-danger: #d45a5a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--inv-bg);
  color: var(--inv-text);
  font-size: 14px;
}

a { color: var(--inv-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- 登录门控 --- */
.inv-login-gate {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--inv-bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.inv-login-card {
  background: var(--inv-card);
  border: 1px solid var(--inv-border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  width: 100%; max-width: 380px;
  text-align: center;
}
.inv-login-title { font-size: 1.6rem; margin-bottom: 0.3rem; }
.inv-login-desc { color: var(--inv-text-dim); margin-bottom: 1.5rem; font-size: 0.9rem; }
.inv-login-field { text-align: left; margin-bottom: 1rem; }
.inv-login-field label { display: block; margin-bottom: 0.3rem; font-size: 0.85rem; color: var(--inv-text-dim); }
.inv-input {
  width: 100%; padding: 0.55rem 0.8rem;
  background: #111; border: 1px solid var(--inv-border);
  color: var(--inv-text); border-radius: 6px;
  font-size: 0.9rem; outline: none;
}
.inv-input:focus { border-color: var(--inv-accent); }
select.inv-input { cursor: pointer; }
.inv-login-btn {
  width: 100%; padding: 0.6rem;
  background: var(--inv-accent); color: #fff;
  border: none; border-radius: 6px; font-size: 1rem;
  cursor: pointer; margin-top: 0.5rem;
}
.inv-login-btn:hover { opacity: 0.85; }
.inv-login-msg { margin-top: 0.8rem; color: var(--inv-danger); font-size: 0.85rem; min-height: 1.2rem; }
.inv-login-back { margin-top: 1rem; font-size: 0.85rem; }

/* --- 顶部栏 --- */
.inv-header {
  height: var(--inv-header-h);
  background: #111;
  border-bottom: 1px solid var(--inv-border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  position: sticky; top: 0; z-index: 100;
}
.inv-header-title { font-size: 1.1rem; font-weight: 600; cursor: pointer; }
.inv-header-title:hover { color: var(--inv-accent); }
.inv-header-right { display: flex; align-items: center; gap: 0.8rem; }
.inv-header-user { color: var(--inv-text-dim); font-size: 0.85rem; }
.inv-header-btn {
  background: transparent; color: var(--inv-text-dim);
  border: 1px solid var(--inv-border); padding: 0.3rem 0.8rem;
  border-radius: 5px; cursor: pointer; font-size: 0.8rem;
}
.inv-header-btn:hover { color: #fff; border-color: #555; }

/* --- 主体布局 --- */
.inv-body {
  display: flex; height: calc(100vh - var(--inv-header-h));
}

/* --- 左侧导航栏 --- */
.inv-sidebar {
  width: var(--inv-sidebar-w); min-width: var(--inv-sidebar-w);
  background: #111;
  border-right: 1px solid var(--inv-border);
  overflow-y: auto;
  padding-bottom: 1.5rem;
}
.inv-sidebar-header {
  padding: 1rem 1rem 0.5rem;
  font-weight: 600; font-size: 0.9rem;
  color: var(--inv-text-dim);
}
.inv-sidebar-addloc {
  display: block; width: calc(100% - 2rem);
  margin: 0.5rem 1rem; padding: 0.4rem;
  background: transparent; color: var(--inv-accent);
  border: 1px dashed var(--inv-border);
  border-radius: 6px; cursor: pointer; font-size: 0.8rem;
}
.inv-sidebar-addloc:hover { border-color: var(--inv-accent); }

/* 导航项 */
.inv-nav-group { margin-bottom: 0.2rem; }
.inv-nav-location {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5rem 1rem; cursor: pointer;
  font-size: 0.88rem; font-weight: 500; color: #bbb;
  user-select: none; -webkit-user-select: none;
  transition: background 0.2s ease;
}
.inv-nav-location:hover { background: #1a1a1a; }
.inv-nav-location .inv-nav-arrow { font-size: 0.7rem; color: #666; transition: transform 0.3s ease; }
.inv-nav-location.open .inv-nav-arrow { transform: rotate(90deg); }

.inv-nav-boxes {
  max-height: 0; overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
}
.inv-nav-boxes.open {
  max-height: 600px;
  opacity: 1;
}

.inv-nav-box {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.35rem 1rem 0.35rem 2rem; cursor: pointer;
  font-size: 0.82rem; color: var(--inv-text-dim);
  user-select: none; -webkit-user-select: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.inv-nav-box:hover { background: #1a1a1a; color: #ccc; }
.inv-nav-box.active { color: var(--inv-accent); background: rgba(90,159,212,0.08); }
.inv-nav-box .inv-nav-count { font-size: 0.7rem; color: #555; }

/* 类别导航项 */
.inv-nav-cat {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.45rem 1rem; cursor: pointer;
  font-size: 0.85rem; color: var(--inv-text-dim);
  user-select: none; -webkit-user-select: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.inv-nav-cat:hover { background: #1a1a1a; color: #ccc; }
.inv-nav-cat.active { color: var(--inv-accent); background: rgba(90,159,212,0.08); }
.inv-nav-cat .inv-nav-count { font-size: 0.75rem; color: #555; }

/* 全部元器件 + 全部位置 横向排列 */
.inv-nav-top-row {
  display: flex; gap: 4px; padding: 0 4px; margin-bottom: 0.3rem;
}
.inv-nav-all {
  flex: 1; text-align: center;
  padding: 0.4rem 0.2rem; cursor: pointer;
  font-size: 0.78rem; color: var(--inv-text-dim);
  user-select: none; -webkit-user-select: none;
  border-radius: 5px;
  transition: background 0.2s ease, color 0.2s ease;
}
.inv-nav-all:hover { background: #1a1a1a; color: #ccc; }
.inv-nav-all.active { color: var(--inv-accent); background: rgba(90,159,212,0.12); }

/* --- 右侧主内容 --- */
.inv-main {
  flex: 1; overflow-y: auto; padding: 1.2rem;
}

/* --- 工具栏 --- */
.inv-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; flex-wrap: wrap; gap: 0.5rem;
}
.inv-toolbar-left { display: flex; align-items: baseline; gap: 0.8rem; }
.inv-toolbar-title { font-size: 1.1rem; font-weight: 600; }
.inv-toolbar-count { color: var(--inv-text-dim); font-size: 0.85rem; }
.inv-toolbar-right { display: flex; gap: 0.5rem; }
.inv-search {
  padding: 0.45rem 0.7rem;
  background: #111; border: 1px solid var(--inv-border);
  color: var(--inv-text); border-radius: 6px; font-size: 0.85rem;
  width: 180px; outline: none;
}
.inv-search:focus { border-color: var(--inv-accent); }

/* --- 按钮 --- */
.inv-btn {
  padding: 0.45rem 1rem; border-radius: 6px;
  font-size: 0.85rem; cursor: pointer; border: 1px solid var(--inv-border);
  background: var(--inv-card); color: var(--inv-text);
}
.inv-btn:hover { background: #222; }
.inv-btn-primary { background: var(--inv-accent); color: #fff; border-color: var(--inv-accent); }
.inv-btn-primary:hover { opacity: 0.85; }
.inv-btn-danger { color: var(--inv-danger); }
.inv-btn-danger:hover { background: rgba(212,90,90,0.1); border-color: var(--inv-danger); }
.inv-btn-sm { padding: 0.2rem 0.6rem; font-size: 0.75rem; }

/* --- 表格 --- */
.inv-table-wrap { overflow-x: auto; }
.inv-table {
  width: 100%; border-collapse: collapse;
  background: var(--inv-card); border-radius: 8px; overflow: hidden;
}
.inv-table th, .inv-table td {
  padding: 0.6rem 0.8rem; text-align: left;
  border-bottom: 1px solid var(--inv-border); font-size: 0.85rem;
}
.inv-table th {
  background: #141414; color: var(--inv-text-dim);
  font-weight: 500; white-space: nowrap;
}
.inv-table tbody tr:hover { background: #1e1e1e; }
.inv-table tbody tr:last-child td { border-bottom: none; }
.inv-table td.actions { white-space: nowrap; display: flex; gap: 0.3rem; }

/* --- 空状态 --- */
.inv-empty {
  text-align: center; padding: 4rem 1rem; color: var(--inv-text-dim);
}
.inv-empty p:first-child { font-size: 1.1rem; margin-bottom: 0.5rem; }

/* --- 弹窗 --- */
.inv-modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0);
  display: flex; align-items: center; justify-content: center; z-index: 200;
  pointer-events: none;
  transition: background 0.25s ease;
}
.inv-modal-overlay.active {
  background: rgba(0,0,0,0.7);
  pointer-events: auto;
}
.inv-modal {
  background: var(--inv-card); border: 1px solid var(--inv-border);
  border-radius: 12px; padding: 1.5rem;
  width: 100%; max-width: 480px; position: relative;
  transform: scale(0.9) translateY(-10px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.inv-modal-overlay.active .inv-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.inv-modal-close {
  position: absolute; top: 0.6rem; right: 0.8rem;
  background: none; border: none; color: var(--inv-text-dim);
  font-size: 1.3rem; cursor: pointer;
}
.inv-modal-close:hover { color: #fff; }
.inv-modal-title { font-size: 1.05rem; margin-bottom: 1rem; }
.inv-modal-field { margin-bottom: 0.8rem; }
.inv-modal-field label { display: block; margin-bottom: 0.25rem; font-size: 0.82rem; color: var(--inv-text-dim); }
.inv-modal-row { display: flex; gap: 0.6rem; }
.inv-modal-btns { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }

/* --- 确认删除弹窗 --- */
.inv-confirm-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0);
  display: flex; align-items: center; justify-content: center; z-index: 300;
  pointer-events: none;
  transition: background 0.25s ease;
}
.inv-confirm-overlay.active {
  background: rgba(0,0,0,0.7);
  pointer-events: auto;
}
.inv-confirm-box {
  background: #202020; border: 1px solid var(--inv-border);
  border-radius: 10px; padding: 1.5rem; text-align: center; max-width: 320px;
  transform: scale(0.9) translateY(-10px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.inv-confirm-overlay.active .inv-confirm-box {
  transform: scale(1) translateY(0);
  opacity: 1;
}
.inv-confirm-box p { margin-bottom: 1rem; }
.inv-confirm-box .inv-btn { margin: 0 0.3rem; }

/* 隐藏主站 QQ 群二维码弹窗 */
.qr-overlay { display: none !important; }

/* --- 汉堡按钮 --- */
.inv-hamburger {
  display: none;
  background: none; border: none;
  color: var(--inv-text); font-size: 1.4rem;
  cursor: pointer; padding: 0.2rem 0.5rem; margin-right: 0.3rem;
  line-height: 1;
}
.inv-hamburger:hover { color: var(--inv-accent); }

/* --- 手机端侧栏遮罩 --- */
.inv-sidebar-overlay {
  position: fixed;
  top: var(--inv-header-h); left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0);
  z-index: 140; pointer-events: none;
  transition: background 0.3s ease;
}
.inv-sidebar-overlay.active {
  background: rgba(0,0,0,0.55);
  pointer-events: auto;
}

/* --- 响应式 --- */
@media (max-width: 768px) {
  .inv-hamburger { display: block; }

  /* 侧栏滑出 */
  .inv-sidebar {
    position: fixed;
    top: var(--inv-header-h); left: 0; bottom: 0;
    width: 260px; min-width: 260px; max-height: none;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }
  .inv-sidebar.open {
    transform: translateX(0);
    box-shadow: 3px 0 20px rgba(0,0,0,0.5);
  }
  .inv-body { flex-direction: column; }
  .inv-main { width: 100%; padding: 0.8rem; }

  /* 工具栏堆叠 */
  .inv-toolbar { flex-direction: column; align-items: flex-start; }
  .inv-search { width: 100%; }

  /* 弹窗全宽 */
  .inv-modal { max-width: 95vw; padding: 1.2rem; }
  .inv-modal-row { flex-direction: column; gap: 0; }
  .inv-confirm-box { max-width: 90vw; }

  /* 登录卡片 */
  .inv-login-card { max-width: 90vw; padding: 1.5rem; }

  /* 表格缩小字体 */
  .inv-table th, .inv-table td { padding: 0.4rem 0.4rem; font-size: 0.75rem; }

  /* 顶部栏 */
  .inv-header { padding: 0 0.6rem; }
  .inv-header-title { font-size: 1rem; }
  .inv-header-user { display: none; }
}

@media (max-width: 400px) {
  .inv-sidebar { width: 240px; min-width: 240px; }
  .inv-header-title { font-size: 0.9rem; }
  .inv-btn { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
  .inv-btn-sm { padding: 0.15rem 0.4rem; font-size: 0.7rem; }
}