@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

:root {
  --bg-0: #0B1120;
  --bg-1: #111827;
  --primary: #22D3EE;
  --primary-2: #3B82F6;
  --primary-3: #0EA5E9;
  --text: #E5E7EB;
  --text-dim: #9CA3AF;
  --ok: #22C55E;
  --err: #EF4444;
  --warn: #F59E0B;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(34, 211, 238, 0.18);
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 20% 0%, #16243b 0%, var(--bg-0) 55%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.aurora {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(600px 400px at 80% 10%, rgba(59,130,246,0.18), transparent),
    radial-gradient(500px 400px at 10% 80%, rgba(34,211,238,0.14), transparent);
  pointer-events: none;
}

.topbar {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  font-size: 28px; color: var(--primary);
  text-shadow: 0 0 12px rgba(34,211,238,0.6);
}
.topbar h1 { font-size: 22px; font-weight: 600; }
.sub { color: var(--text-dim); font-size: 13px; }
.back-btn {
  color: var(--primary); text-decoration: none; font-size: 14px;
  padding: 8px 16px; border: 1px solid var(--glass-border); border-radius: 10px;
  transition: all .2s;
}
.back-btn:hover { background: var(--glass); box-shadow: 0 0 16px rgba(34,211,238,0.3); }

.container {
  position: relative; z-index: 1;
  max-width: 980px; margin: 28px auto; padding: 0 20px;
  display: flex; flex-direction: column; gap: 22px;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35);
  padding: 24px;
}
.card-title { font-size: 18px; font-weight: 500; margin-bottom: 16px; color: #fff; }

.upload-zone {
  border: 2px dashed var(--glass-border); border-radius: 14px;
  padding: 34px; text-align: center; cursor: pointer; transition: all .25s;
  background: rgba(34,211,238,0.03);
}
.upload-zone:hover, .upload-zone.drag { border-color: var(--primary); background: rgba(34,211,238,0.1); }
.upload-icon { font-size: 34px; color: var(--primary); }
.upload-inner p { margin: 8px 0 4px; }
.hint { color: var(--text-dim); font-size: 12px; }

.form-row { display: flex; gap: 16px; margin: 18px 0; flex-wrap: wrap; }
.form-row label { flex: 1; display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
input, select {
  background: rgba(0,0,0,0.3); border: 1px solid var(--glass-border);
  color: var(--text); padding: 10px 12px; border-radius: 10px; font-size: 14px;
  outline: none; transition: border .2s;
}
input:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 10px rgba(34,211,238,0.25); }

.btn {
  border: none; border-radius: 10px; padding: 11px 22px; font-size: 14px;
  cursor: pointer; font-weight: 500; transition: all .2s; color: #fff;
}
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--primary-3), var(--primary-2)); }
.btn.primary:not(:disabled):hover { box-shadow: 0 0 20px rgba(59,130,246,0.5); transform: translateY(-1px); }
.btn.success { background: linear-gradient(135deg, #16a34a, var(--ok)); }
.btn.success:hover { box-shadow: 0 0 20px rgba(34,197,94,0.5); transform: translateY(-1px); }

.status { margin-top: 14px; font-size: 13px; min-height: 18px; }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.preview-cell {
  background: rgba(0,0,0,0.35); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 14px; text-align: center;
}
.preview-cell h4 { font-size: 13px; color: var(--primary); margin-bottom: 8px; }
.preview-cell .empty { color: var(--text-dim); font-size: 12px; padding: 20px 0; }
.corner-info { margin: 16px 0; font-size: 13px; color: var(--text-dim); }
.corner-info b { color: var(--warn); }

.table-wrap { overflow-x: auto; border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.06); }
th { color: var(--primary); font-weight: 500; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.tag.arc { background: rgba(59,130,246,0.2); color: #93c5fd; }
.tag.corner { background: rgba(245,158,11,0.2); color: #fcd34d; }
.tag.normal { background: rgba(34,197,94,0.2); color: #86efac; }
.del-btn { background: transparent; border: 1px solid var(--err); color: var(--err); padding: 4px 10px; border-radius: 8px; cursor: pointer; font-size: 12px; }
.del-btn:hover { background: rgba(239,68,68,0.15); }

.note ul { margin-left: 18px; color: var(--text-dim); font-size: 13px; line-height: 1.9; }
.note code { background: rgba(34,211,238,0.12); color: var(--primary); padding: 1px 6px; border-radius: 5px; }