* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #0f1117; color: #e1e4e8; }

.navbar { display: flex; align-items: center; justify-content: space-between; background: #161b22; padding: 0 24px; height: 56px; border-bottom: 1px solid #30363d; }
.nav-brand { font-size: 18px; font-weight: 700; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { color: #8b949e; text-decoration: none; padding: 8px 14px; border-radius: 6px; font-size: 14px; transition: all .15s; }
.nav-links a:hover, .nav-links a.active { color: #e1e4e8; background: #21262d; }
.nav-links a.logout { color: #f85149; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

h1 { font-size: 24px; margin-bottom: 20px; }
h2 { font-size: 18px; margin: 28px 0 12px; color: #8b949e; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 28px; }
.card { background: #161b22; border: 1px solid #30363d; border-radius: 12px; padding: 20px; text-align: center; }
.card-value { font-size: 28px; font-weight: 700; color: #58a6ff; }
.card-label { font-size: 13px; color: #8b949e; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; background: #161b22; border-radius: 8px; overflow: hidden; border: 1px solid #30363d; }
thead { background: #21262d; }
th, td { padding: 10px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid #21262d; }
th { color: #8b949e; font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .5px; }
tr:hover { background: #1c2128; }
code { background: #21262d; padding: 2px 6px; border-radius: 4px; font-size: 12px; }

.badge { padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.badge-completed, .badge-paid, .badge-active { background: #0d3321; color: #3fb950; }
.badge-pending { background: #3d2e00; color: #d29922; }
.badge-failed, .badge-expired { background: #3d1014; color: #f85149; }
.badge-disabled { background: #21262d; color: #8b949e; }

.flash { background: #3d1014; color: #f85149; padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; border: 1px solid #f8514930; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: #161b22; border: 1px solid #30363d; border-radius: 16px; padding: 40px; width: 360px; text-align: center; }
.login-card h1 { margin-bottom: 24px; font-size: 28px; }
.login-card input { width: 100%; padding: 12px 16px; margin-bottom: 12px; border: 1px solid #30363d; border-radius: 8px; background: #0d1117; color: #e1e4e8; font-size: 15px; outline: none; }
.login-card input:focus { border-color: #58a6ff; }
.login-card button { width: 100%; padding: 12px; background: #238636; color: #fff; border: none; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer; margin-top: 4px; }
.login-card button:hover { background: #2ea043; }