:root {
  --bg: #0f1117; --surface: #1a1d27; --surface2: #242836; --border: #2e3348;
  --text: #e1e4ed; --text-dim: #8b8fa3;
  --primary: #6c5ce7; --primary-hover: #7c6ff7;
  --success: #00b894; --warning: #fdcb6e; --danger: #e17055; --info: #74b9ff;
  --radius: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
header h1 { font-size: 1.5rem; font-weight: 700; }
header h1 span { color: var(--primary); }
nav { display: flex; gap: 4px; margin-bottom: 24px; }
nav a { padding: 8px 18px; border-radius: 6px; text-decoration: none; color: var(--text-dim); font-size: 0.9rem; font-weight: 600; transition: all 0.2s; }
nav a:hover { background: var(--surface2); color: var(--text); }
nav a.active { background: var(--primary); color: #fff; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; text-align: center; }
.stat-card .value { font-size: 1.8rem; font-weight: 700; }
.stat-card .label { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.panel h2 { font-size: 1.1rem; margin-bottom: 16px; font-weight: 600; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
input, select, textarea { background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; color: var(--text); font-size: 0.9rem; outline: none; transition: border-color 0.2s; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
textarea { resize: vertical; min-height: 60px; }
.btn { background: var(--primary); color: #fff; border: none; border-radius: 6px; padding: 10px 24px; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: background 0.2s; display: inline-block; text-decoration: none; }
.btn:hover { background: var(--primary-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #d35945; }
.btn-success { background: var(--success); }
.btn-outline { background: var(--surface2); border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); }
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { text-align: left; padding: 10px 12px; color: var(--text-dim); border-bottom: 1px solid var(--border); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--surface2); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.badge-active, .badge-pending, .badge-new { background: rgba(253,203,110,0.15); color: var(--warning); }
.badge-in_progress { background: rgba(116,185,255,0.15); color: var(--info); }
.badge-completed, .badge-valid { background: rgba(0,184,148,0.15); color: var(--success); }
.badge-failed { background: rgba(225,112,85,0.15); color: var(--danger); }
.badge-refunded, .badge-cancelled { background: rgba(139,143,163,0.15); color: var(--text-dim); }
.text-dim { color: var(--text-dim); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.stars { color: var(--warning); letter-spacing: 1px; }
.link-cell { max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-cell a { color: var(--info); text-decoration: none; }
.form-actions { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.msg-row { display: flex; gap: 8px; align-items: start; margin-bottom: 8px; }
.msg-row textarea { flex: 1; }
.btn-remove { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 1rem; padding: 2px 6px; border-radius: 4px; }
.btn-remove:hover { color: var(--danger); background: rgba(225,112,85,0.15); }
.card-center { display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px 32px; width: 100%; max-width: 400px; }
.auth-card h1 { font-size: 1.3rem; font-weight: 700; text-align: center; margin-bottom: 8px; }
.auth-card h1 span { color: var(--primary); }
.auth-card p { color: var(--text-dim); font-size: 0.85rem; text-align: center; margin-bottom: 24px; }
.auth-card .form-group { margin-bottom: 16px; }
.auth-card .btn { width: 100%; padding: 12px; }
.auth-links { text-align: center; margin-top: 16px; font-size: 0.85rem; }
.auth-links a { color: var(--primary); text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }
.error-box { background: rgba(225,112,85,0.15); color: var(--danger); padding: 10px 14px; border-radius: 6px; font-size: 0.85rem; margin-bottom: 16px; display: none; }
.success-box { background: rgba(0,184,148,0.15); color: var(--success); padding: 10px 14px; border-radius: 6px; font-size: 0.85rem; margin-bottom: 16px; display: none; }
.credit-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 20px 0; }
.credit-option { background: var(--surface2); border: 2px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; cursor: pointer; transition: all 0.2s; }
.credit-option:hover, .credit-option.selected { border-color: var(--primary); }
.credit-option .amount { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.credit-option .price { font-size: 0.9rem; color: var(--text-dim); }
.progress-bar { background: var(--surface2); border-radius: 4px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--success); border-radius: 4px; transition: width 0.3s; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } .stats { grid-template-columns: repeat(2, 1fr); } }