:root {
  --bg-1: #f3f8ff;
  --bg-2: #fff7ec;
  --card: #ffffffd9;
  --ink: #102039;
  --sub: #556179;
  --primary: #0b74d8;
  --primary-2: #11a1b6;
  --danger: #c62828;
  --warn: #c96d00;
  --line: #d8e4f5;
  --shadow: 0 12px 30px rgba(16, 32, 57, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 80% 0%, #fff1dd 0%, transparent 44%),
    radial-gradient(circle at 10% 20%, #dff0ff 0%, transparent 44%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  font-family: "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  min-height: 100vh;
}

.bg-glow {
  position: fixed;
  width: 360px;
  height: 360px;
  right: -100px;
  bottom: -100px;
  background: radial-gradient(circle, #14a6bb55, #14a6bb00 70%);
  pointer-events: none;
}

.shell {
  width: min(1480px, 96vw);
  margin: 20px auto;
}

.card {
  background: var(--card);
  border: 1px solid #ffffff88;
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hidden {
  display: none !important;
}

.login-card {
  width: min(440px, 95vw);
  margin: 11vh auto 0;
  padding: 28px;
}

h1, h2, h3 {
  margin: 0;
}

.sub {
  margin: 6px 0 0;
  color: var(--sub);
}

.hint {
  margin: 14px 0 0;
  color: #6a758b;
  font-size: 13px;
}

.grid {
  display: grid;
  gap: 10px;
}

label {
  color: #3d4a62;
  font-size: 13px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 10px;
  padding: 9px 10px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px #0b74d820;
}

textarea {
  resize: vertical;
  min-height: 72px;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 9px 13px;
  font-weight: 600;
  cursor: pointer;
  background: #e9f0fb;
  color: #1e3b66;
  transition: transform 0.12s ease, filter 0.2s ease;
}

.btn:hover {
  filter: brightness(0.98);
}

.btn:active {
  transform: translateY(1px);
}

.btn.primary {
  color: #fff;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
}

.btn.danger {
  color: #fff;
  background: linear-gradient(120deg, #d13434, var(--danger));
}

.btn.warn {
  color: #fff;
  background: linear-gradient(120deg, #e18a00, var(--warn));
}

.app {
  display: grid;
  gap: 14px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat {
  padding: 14px;
  border-left: 6px solid var(--primary);
}

.stat span {
  color: var(--sub);
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 30px;
}

.filter {
  padding: 12px;
  display: grid;
  grid-template-columns: minmax(280px, 1.7fr) 1fr 1fr auto auto;
  gap: 10px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(460px, 1.1fr) minmax(520px, 1fr);
  gap: 12px;
}

.table-wrap,
.form-wrap,
#userPanel {
  padding: 12px;
}

.table-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 7px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 13px;
  vertical-align: top;
}

th {
  color: #36557f;
  background: #f4f9ff;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: #eff6ff;
}

tbody tr.active {
  background: #e3f0ff;
}

.form-grid {
  grid-template-columns: 100px 1fr 100px 1fr;
  align-items: start;
}

.form-grid textarea {
  grid-column: span 3;
}

.progress-box {
  margin-top: 12px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid #d8e6f7;
  background: #fbfdff;
}

.progress-grid {
  grid-template-columns: 90px 1fr 90px 1fr;
  margin-bottom: 10px;
  align-items: start;
}

.file-input-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
}

.file-input-wrap > input {
  flex: 1;
}

.drop-target {
  border: 1px dashed transparent;
  border-radius: 10px;
  padding: 4px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.drop-target.drag-active {
  border-color: var(--primary);
  background: #eef7ff;
}

.progress-grid textarea {
  grid-column: span 3;
}

.op-row {
  display: flex;
  gap: 6px;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter {
    grid-template-columns: 1fr 1fr;
  }

  .form-grid,
  .progress-grid {
    grid-template-columns: 1fr;
  }

  .form-grid textarea,
  .progress-grid textarea {
    grid-column: span 1;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}