/* ===== 仓管系统 - 暗黑玻璃态 UI ===== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;600;900&family=JetBrains+Mono:wght@200;300;400;600&display=swap');

:root {
  --bg: #010002;
  --glass: rgba(10, 8, 14, 0.82);
  --card: rgba(12, 10, 16, 0.5);
  --border: rgba(255, 255, 255, 0.06);
  --accent: #ef4444;
  --accent-dark: #991b1b;
  --text: #f5f5f7;
  --text-dim: #888;
}

* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  margin: 0;
  min-height: 100vh;
}

.serif { font-family: 'Noto Serif SC', serif; }
.font-mono { font-family: 'JetBrains Mono', monospace !important; }

/* 玻璃态 */
.apple-glass {
  background: var(--glass);
  backdrop-filter: blur(60px) saturate(180%);
  -webkit-backdrop-filter: blur(60px) saturate(180%);
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), inset 0 1px 1px rgba(255,255,255,0.08);
}

.data-card {
  background: var(--card);
  backdrop-filter: blur(30px);
  border: 1px solid var(--border);
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1), border-color 0.3s, box-shadow 0.3s;
}
.data-card:hover {
  border-color: rgba(239,68,68,0.25);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* 按钮 */
.btn-glass {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  color: #ccc;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
  cursor: pointer;
}
.btn-glass:hover {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.4);
  color: #fff;
}

.btn-red {
  background: linear-gradient(135deg, #dc2626, #991b1b);
  color: #fff;
  border: 1px solid rgba(239,68,68,0.4);
  transition: all 0.3s;
  cursor: pointer;
}
.btn-red:hover {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 0 20px rgba(239,68,68,0.35);
}

.btn-sm { padding: 4px 10px; font-size: 0.72rem; border-radius: 6px; }

/* 输入框 */
.input-dark {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  transition: all 0.3s;
  width: 100%;
}
.input-dark:focus {
  outline: none;
  border-color: rgba(239,68,68,0.5);
  background: rgba(255,255,255,0.04);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.08);
}
.input-dark::placeholder { color: rgba(255,255,255,0.2); }

/* 噪点（内联 SVG，不依赖外部资源） */
.crt-noise {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

/* 导航栏 */
.nav-pill {
  background: var(--glass);
  backdrop-filter: blur(60px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 9999px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

/* 表格 */
.table-dark { color: #e5e5e5; width: 100%; border-collapse: collapse; }
.table-dark thead th {
  background: rgba(239,68,68,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: rgba(239,68,68,0.7);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 10px 12px;
  text-align: left;
  font-weight: 400;
}
.table-dark tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.15s;
}
.table-dark tbody tr:hover { background: rgba(239,68,68,0.03); }
.table-dark td { padding: 10px 12px; font-size: 0.85rem; }

/* 分页 */
.pagination-btn {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  color: #999;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.2s;
  margin: 0 2px;
}
.pagination-btn:hover:not(:disabled) {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.3);
  color: #fff;
}
.pagination-btn.active {
  background: rgba(239,68,68,0.2);
  border-color: rgba(239,68,68,0.5);
  color: #fff;
}
.pagination-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* 模态框 */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(2rem);
  z-index: 50;
  display: flex; align-items: center; justify-content: center;
}

/* 徽章 */
.badge { padding: 2px 8px; border-radius: 6px; font-size: 0.68rem; font-weight: 500; display: inline-block; }
.badge-red { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.badge-yellow { background: rgba(250,204,21,0.1); border: 1px solid rgba(250,204,21,0.3); color: #facc15; }
.badge-green { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.badge-blue { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #60a5fa; }
.badge-gray { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: #aaa; }

/* 统计卡片 */
.stat-card {
  display: flex; align-items: center; padding: 18px 22px; border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  backdrop-filter: blur(30px);
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.stat-card:hover {
  border-color: rgba(239,68,68,0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-right: 14px; flex-shrink: 0;
}
.stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: 0.72rem; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; }

/* 签字画布 */
#signatureCanvas {
  background: #fff;
  border-radius: 8px;
  cursor: crosshair;
  touch-action: none;
  width: 100%;
  height: 150px;
  display: block;
}

/* Toast */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 9999; }
.toast-msg {
  background: var(--glass);
  backdrop-filter: blur(30px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 20px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  animation: slideIn 0.3s ease;
  max-width: 350px;
}
.toast-success { border-left: 3px solid #22c55e; color: #4ade80; }
.toast-danger { border-left: 3px solid #ef4444; color: #f87171; }
.toast-info { border-left: 3px solid #3b82f6; color: #60a5fa; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(239,68,68,0.3); }

/* 环境背景 */
.ambient-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(circle at 50% 30%, rgba(140,15,15,0.15) 0%, rgba(15,4,8,0.1) 50%, rgba(1,0,2,1) 95%);
}

/* 链接 */
a { color: #60a5fa; text-decoration: none; }
a:hover { color: #93c5fd; }

/* 下拉菜单 */
.dropdown-menu-dark {
  background: var(--glass);
  backdrop-filter: blur(40px);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  padding: 8px;
  min-width: 180px;
}
.dropdown-item-dark {
  padding: 8px 14px; border-radius: 6px; color: #ccc; cursor: pointer;
  display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
  transition: all 0.15s;
}
.dropdown-item-dark:hover { background: rgba(239,68,68,0.1); color: #fff; }

/* 自定义复选框 */
.custom-checkbox {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  flex-shrink: 0;
}
.custom-checkbox:hover {
  border-color: rgba(239,68,68,0.5);
  background: rgba(239,68,68,0.08);
}
.custom-checkbox:checked {
  background: linear-gradient(135deg, #dc2626, #991b1b);
  border-color: rgba(239,68,68,0.6);
}
.custom-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}