:root {
    --bg-dark: #020617;
    --panel-bg: #0f172a;
    --accent-blue: #38bdf8;
    --accent-red: #ef4444;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --border-color: #1e293b;
}

/* Modern Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #334155; border-radius: 10px; border: 2px solid var(--bg-dark); }

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body { background-color: var(--bg-dark); color: var(--text-main); display: flex; min-height: 100vh; }

/* Navigasyon */
nav {
    width: 260px; background: var(--panel-bg); border-right: 1px solid var(--border-color);
    display: flex; flex-direction: column; padding: 20px; position: fixed; height: 100vh;
}

.logo-area { display: flex; align-items: center; gap: 15px; padding-bottom: 30px; border-bottom: 1px solid var(--border-color); margin-bottom: 20px; }
.logo-area img { width: 45px; filter: drop-shadow(0 0 5px var(--accent-blue)); }

.nav-menu { list-style: none; }
.nav-item { padding: 12px 15px; border-radius: 8px; margin-bottom: 5px; cursor: pointer; transition: 0.3s; color: var(--text-dim); display: flex; align-items: center; gap: 12px; }
.nav-item:hover, .nav-item.active { background: rgba(56, 189, 248, 0.1); color: var(--accent-blue); }
.logout-btn { margin-top: 50px; color: var(--accent-red); }

/* İçerik */
main { flex: 1; margin-left: 260px; padding: 40px; }
.header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
#sayfa-alt-metni { color: var(--text-dim); }
.user-info { text-align: right; }
.user-name { font-weight: bold; }
.user-rank { font-size: 12px; color: var(--accent-blue); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card { background: var(--panel-bg); padding: 20px; border-radius: 15px; border: 1px solid var(--border-color); transition: 0.3s; }
.stat-card:hover { transform: translateY(-5px); border-color: var(--accent-blue); }
.stat-card i { font-size: 24px; color: var(--accent-blue); margin-bottom: 10px; }

.data-container { background: var(--panel-bg); border-radius: 15px; padding: 25px; border: 1px solid var(--border-color); }

table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th { text-align: left; padding: 15px; color: var(--text-dim); border-bottom: 1px solid var(--border-color); }
td { padding: 15px; border-bottom: 1px solid var(--border-color); }

.badge { padding: 5px 12px; border-radius: 20px; font-size: 12px; font-weight: bold; }
.bg-warning { background: rgba(245, 158, 11, 0.2); color: #f59e0b; }
.bg-success { background: rgba(34, 197, 94, 0.2); color: #22c55e; }

.action-btn { background: none; border: 1px solid var(--border-color); color: var(--text-main); padding: 5px 10px; border-radius: 5px; cursor: pointer; }