:root {
  --bg: #12151a;
  --bg2: #1a2028;
  --card: #1e252f;
  --card2: #242d39;
  --border: #2c3644;
  --text: #e6ebf2;
  --muted: #8b95a5;
  --accent: #3b82f6;
  --accent2: #2563eb;
  --ok: #22c55e;
  --danger: #ef4444;
  --warn: #f59e0b;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* 移动端：去除安卓/iOS 点击元素时的系统高亮闪块 */
  -webkit-tap-highlight-color: transparent;
}

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

/* ---------- 表单 ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  /* 16px：防止 iOS Safari 聚焦输入框时自动放大页面 */
  font-size: 16px;
  outline: none;
  transition: border-color .15s;
  /* 去除 iOS 原生输入框/下拉外观，保证两端样式一致 */
  -webkit-appearance: none;
  appearance: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field input::placeholder, .field textarea::placeholder { color: #5a6474; }
/* select 自定义下拉箭头（原生外观已去除） */
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b95a5' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}
.row2 { display: flex; gap: 12px; }
.row2 .field { flex: 1; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: filter .15s, background .15s;
  user-select: none;
  -webkit-appearance: none;
  appearance: none;
}
/* 仅在真正支持悬停的设备（鼠标）启用 hover，避免触屏点击后样式粘滞 */
@media (hover: hover) {
  .btn:hover { filter: brightness(1.15); }
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #06220f; font-weight: 600; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.warn { background: var(--warn); border-color: var(--warn); color: #241703; font-weight: 600; }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 6px; }
.btn.block { display: block; width: 100%; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}

/* ---------- 徽标 ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  white-space: nowrap;
}
.badge.pending { background: rgba(245, 158, 11, .15); color: var(--warn); }
.badge.approved { background: rgba(168, 85, 247, .15); color: #c084fc; }
.badge.in { background: rgba(59, 130, 246, .15); color: #7aa8ff; }
.badge.out { background: rgba(34, 197, 94, .15); color: var(--ok); }
.badge.rejected { background: rgba(139, 149, 165, .15); color: var(--muted); }
.badge.expired { background: rgba(148, 163, 184, .15); color: #94a3b8; }

/* ---------- 提示 ---------- */
.toast {
  position: fixed;
  left: 50%;
  top: 24px;
  transform: translateX(-50%) translateY(-80px);
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 999;
  transition: transform .25s;
  max-width: 90vw;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.err { border-color: var(--danger); color: #ff9c9c; }
.toast.ok { border-color: var(--ok); color: #86e2a8; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .6);
  z-index: 100;
  overflow-y: auto;
  padding: 20px;
}
.modal-mask.open { display: flex; align-items: flex-start; justify-content: center; }
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 480px;
  padding: 22px;
  margin-top: 5vh;
}
.modal h3 { margin-bottom: 16px; font-size: 17px; }
.modal .actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---------- 复选框 ---------- */
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.checks label {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  flex: 1 1 calc(50% - 5px); min-width: 0;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 11px 10px;
  font-size: 15px; cursor: pointer; color: var(--text);
  white-space: nowrap; user-select: none; -webkit-user-select: none;
  transition: border-color .15s ease, background .15s ease;
}
.checks label.checked {
  border-color: var(--accent);
  background: rgba(59, 130, 246, .14);
}
.checks label.checked .check-box { border-color: var(--accent); background: var(--accent); }
.checks label.checked .check-box::after { transform: rotate(45deg) scale(1); }
.checks input[type="checkbox"] {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.check-box {
  position: relative; flex-shrink: 0;
  width: 18px; height: 18px; border: 2px solid #5b6472; border-radius: 5px;
  background: transparent; transition: all .15s ease;
}
.check-box::after {
  content: ''; position: absolute; left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #fff; border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg) scale(0); transition: transform .15s ease;
}
/* 金额不一致实时提示 */
.amt-warn {
  display: none; margin-top: 8px; padding: 8px 12px;
  background: rgba(245, 158, 11, .12); border: 1px solid rgba(245, 158, 11, .45);
  color: #fbbf24; border-radius: 8px; font-size: 13px;
}
.amt-warn.show { display: block; }