:root {
  --bg: #1C1C1E;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-strong-bg: rgba(255,255,255,0.10);
  --glass-border: rgba(255,255,255,0.10);
  --text: rgba(255,255,255,0.92);
  --text-s: rgba(255,255,255,0.60);
  --text-t: rgba(255,255,255,0.35);
  --success: #30D158;
  --warn: #FF9F0A;
  --danger: #FF453A;
  --accent: #0A84FF;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; min-height: 100vh; }
input, select, textarea { font-family: inherit; }

.glass { background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-radius: var(--radius); border: 1px solid var(--glass-border); }
.glass-strong { background: var(--glass-strong-bg); backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px); border-radius: var(--radius); border: 1px solid var(--glass-border); }
.glass-input { background: rgba(255,255,255,0.08); border: 1px solid var(--glass-border); border-radius: 12px; padding: 12px 16px; color: var(--text); font-size: 14px; width: 100%; outline: none; transition: border .15s; }
.glass-input:focus { border-color: rgba(255,255,255,0.25); }
.btn-primary { background: var(--accent); color: #fff; border: none; border-radius: 12px; padding: 12px 24px; font-size: 14px; cursor: pointer; transition: opacity .15s; }
.btn-primary:hover { opacity: .85; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-danger { background: var(--danger); color: #fff; border: none; border-radius: 12px; padding: 8px 16px; font-size: 13px; cursor: pointer; }
.btn-ghost { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 8px 16px; color: var(--text-s); font-size: 13px; cursor: pointer; }
.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #1a1a2e, #2d1b4e); }
.login-card { padding: 48px 36px; width: 380px; text-align: center; display: flex; flex-direction: column; gap: 16px; }
.login-logo { font-size: 48px; }
.login-title { font-size: 24px; color: var(--text); font-weight: 600; }
.login-error { color: var(--danger); font-size: 13px; min-height: 20px; }

/* Admin Layout */
.admin-wrap { display: flex; min-height: 100vh; }
.sidebar { width: 220px; flex-shrink: 0; display: flex; flex-direction: column; padding: 24px 16px; margin: 12px; border-radius: 20px; }
.sb-logo { font-size: 36px; text-align: center; margin-bottom: 32px; }
.sb-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.sb-item { padding: 10px 16px; border-radius: 10px; color: var(--text-s); text-decoration: none; font-size: 14px; cursor: pointer; transition: all .15s; }
.sb-item:hover, .sb-item.active { background: rgba(255,255,255,0.10); color: var(--text); }
.sb-logout { background: none; border: 1px solid var(--glass-border); border-radius: 10px; padding: 8px; color: var(--text-s); cursor: pointer; font-size: 13px; margin-top: 12px; }

.main-area { flex: 1; padding: 24px 24px 24px 0; overflow-y: auto; }
.page { display: none; }
.page.active { display: block; }
.page-title { font-size: 28px; font-weight: 700; margin-bottom: 20px; }

/* Cards */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { padding: 24px; text-align: center; }
.stat-num { font-size: 36px; font-weight: 700; color: var(--text); display: block; }
.stat-lbl { font-size: 13px; color: var(--text-s); margin-top: 6px; display: block; }

.card { padding: 20px; }
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

/* Table */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; padding: 10px 12px; color: var(--text-t); font-weight: 500; border-bottom: 1px solid var(--glass-border); }
.table td { padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,0.04); color: var(--text-s); }
.table tr:hover td { background: rgba(255,255,255,0.03); }

.avatar-cell { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.10); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.avatar-sm { font-size: 18px; width: 32px; height: 32px; }

/* Toolbar */
.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* Type Grid */
.type-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.type-card { padding: 16px; display: flex; align-items: center; gap: 12px; }
.type-card .type-icon { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.type-card .type-info { flex: 1; }
.type-card .type-name { font-size: 14px; color: var(--text); font-weight: 500; }
.type-card .type-cat { font-size: 11px; color: var(--success); }
.type-card .type-cat.rest { color: var(--warn); }
.type-card .type-actions { display: flex; gap: 6px; }

/* Data viewer */
.data-user-card { padding: 24px; display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.data-avatar { width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,0.10); display: flex; align-items: center; justify-content: center; font-size: 28px; }
.data-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.data-chart { padding: 20px; margin-bottom: 16px; }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.5); }
.modal-content { padding: 32px; width: 480px; max-width: 90vw; max-height: 80vh; overflow-y: auto; }
.modal-title { font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-row { margin-bottom: 16px; }
.modal-row label { display: block; font-size: 13px; color: var(--text-s); margin-bottom: 6px; }

/* Tag */
.tag { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 500; }
.tag-training { background: rgba(48,209,88,0.15); color: var(--success); }
.tag-rest { background: rgba(255,159,10,0.15); color: var(--warn); }

/* Checkin timeline */
.timeline { display: flex; flex-direction: column; gap: 8px; max-height: 400px; overflow-y: auto; }
.tl-item { padding: 12px 16px; display: flex; align-items: center; gap: 12px; }
.tl-date { font-size: 13px; color: var(--text-s); min-width: 80px; }
.tl-exs { display: flex; flex-wrap: wrap; gap: 4px; flex: 1; }
.tl-tag { padding: 3px 10px; border-radius: 10px; font-size: 12px; background: rgba(255,255,255,0.06); color: var(--text-s); }
.tl-tag.rest { background: rgba(255,159,10,0.10); color: var(--warn); }
.tl-notes { font-size: 12px; color: var(--text-t); margin-left: 8px; }