:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --text: #232323;
  --muted: #666;
  --primary: #2f2f2f;
  --danger: #7a2f2f;
  --border: #e5e5e5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.login-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #f7f7f7;
}

.login-card {
  width: 360px;
  max-width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  display: grid;
  gap: 10px;
}

.login-card h2 {
  margin: 0 0 6px;
}

.login-card button {
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
}

.login-error {
  margin: 0;
  color: #b42318;
  font-size: 13px;
}

.ui-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ui-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.38);
}

.ui-modal-card {
  position: relative;
  width: 360px;
  max-width: calc(100vw - 32px);
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 16px;
}

.ui-modal-card h3 {
  margin: 0;
  font-size: 18px;
}

.ui-modal-card p {
  margin: 12px 0 0;
  color: #444;
  line-height: 1.5;
  white-space: pre-line;
}

.ui-modal-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-btn {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 7px 14px;
  cursor: pointer;
}

.modal-btn.ghost {
  border-color: #d0d0d0;
  background: #fff;
  color: #444;
}

.layout { min-height: 100vh; display: grid; grid-template-columns: 240px 1fr; }
.sidebar { background: #ffffff; color: #1f1f1f; padding: 28px 20px; border-right: 1px solid var(--border); }
.sidebar h1 { margin: 0; font-size: 24px; }
.sidebar p { margin: 8px 0 24px; color: #666; }

.nav-btn {
  width: 100%; margin-bottom: 10px; border: 1px solid var(--border); background: #fff; color: #333;
  padding: 11px 12px; border-radius: 10px; cursor: pointer; text-align: left;
}
.nav-btn.active { background: #2f2f2f; border-color: #2f2f2f; color: #fff; }

.content { padding: 28px; }
.tab-section { display: none; }
.tab-section.active { display: block; }
h2 { margin-top: 0; }

.stats { display: grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.card p { margin: 0; color: var(--muted); }
.card h3 { margin: 12px 0 0; font-size: 28px; }

.section-head { display: flex; align-items: center; justify-content: space-between; }
.form-grid { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.form-grid.compact { grid-template-columns: repeat(4, minmax(140px, 1fr)); }
.form-grid.event { grid-template-columns: repeat(8, minmax(120px, 1fr)); }

.upload-details { grid-column: 1 / -1; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; }
.upload-details summary { cursor: pointer; color: #4f4f4f; font-size: 13px; }
.upload-grid { margin-top: 10px; display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 10px; }

input, select, button { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font-size: 14px; background: #fff; }
input[type="date"],
input[type="datetime-local"] {
  font-size: 14px;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
}
textarea { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; font-size: 14px; background: #fff; min-height: 92px; resize: vertical; grid-column: 1 / -1; font-family: inherit; }
button[type="submit"] { background: var(--primary); color: #fff; border: none; cursor: pointer; }

.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid #e2e2e2; }
tr:last-child td { border-bottom: none; }

.action-btn { border: none; border-radius: 8px; padding: 6px 10px; cursor: pointer; color: #fff; background: var(--danger); }
.action-btn.edit { background: #4a4a4a; }
.action-btn.upload { background: #2d6b47; }
.player-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.thumb { width: 28px; height: 20px; border-radius: 4px; object-fit: cover; border: 1px solid #d8d8d8; background: #fff; }
.thumb.avatar { width: 28px; height: 28px; border-radius: 50%; }

.hidden { display: none; }
.edit-panel { margin-top: 14px; padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.edit-panel h3 { margin: 0 0 10px; font-size: 16px; }
.edit-actions { margin-top: 10px; }

.color-dot {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid #cfcfcf;
}

@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { padding: 16px; }
  .content { padding: 16px; }
  .stats { grid-template-columns: 1fr; }
  .form-grid, .form-grid.compact, .form-grid.event, .upload-grid { grid-template-columns: 1fr; }
}