:root {
    --bg-dark: #05070a;
    --card-bg: rgba(15, 18, 26, 0.85);
    --accent-blue: #5865F2;
    --accent-purple: #a855f7;
    --accent-gold: #fbbf24;
    --accent-green: #2ecc71;
    --accent-red: #e74c3c;
    --text-main: #ffffff;
    --text-dim: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(88, 101, 242, 0.08) 0%, transparent 35%),
        radial-gradient(circle at 100% 100%, rgba(168, 85, 247, 0.08) 0%, transparent 35%);
}

/* --- NIESTANDARDOWE PASKI PRZEWIJANIA (SCROLLBARY) --- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: rgba(88, 101, 242, 0.4); border-radius: 10px; transition: 0.3s; }
::-webkit-scrollbar-thumb:hover { background: rgba(88, 101, 242, 0.8); }

/* --- HEADER --- */
header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 6vw; background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(20px); border-bottom: 1px solid var(--glass-border);
    position: fixed; width: 100%; top: 0; z-index: 1000;
}

.logo {
    font-size: 24px; font-weight: 900; letter-spacing: -1.5px;
    background: linear-gradient(to right, #ffffff, var(--accent-blue));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    cursor: pointer; text-transform: uppercase;
}

.nav-menu { display: flex; gap: 10px; }
.nav-link {
    color: var(--text-dim); text-decoration: none; font-weight: 600; font-size: 14px;
    padding: 10px 20px; border-radius: 12px; transition: 0.3s;
}
.nav-link:hover { color: white; background: rgba(255,255,255,0.05); }
.nav-link.active { 
    color: white; background: rgba(88, 101, 242, 0.12); 
    border: 1px solid rgba(88,101,242,0.2); 
}

.user-panel {
    display: flex; align-items: center; gap: 12px;
    background: rgba(255, 255, 255, 0.03); padding: 6px 16px;
    border-radius: 100px; border: 1px solid var(--glass-border);
}
.user-panel img { 
    width: 32px; height: 32px; border-radius: 50%; 
    border: 2px solid var(--accent-blue); object-fit: cover;
}
.user-info-text { display: flex; flex-direction: column; }
.u-name-label { font-size: 13px; font-weight: 700; }
.logout-btn { 
    font-size: 10px; color: #ff4d4d; text-decoration: none; 
    font-weight: 800; text-transform: uppercase; margin-top: 2px;
}

/* --- ANIMACJE --- */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: slideUp 0.6s ease forwards; }

/* --- WSPARCIE DLA TELEFONÓW (MOBILE) DLA WSPÓLNYCH ELEMENTÓW --- */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap; padding: 12px 20px;
    }
    .logo { font-size: 20px; }
    .nav-menu {
        order: 3; width: 100%; justify-content: center; margin-top: 12px; gap: 5px;
    }
    .nav-link { padding: 8px 15px; font-size: 13px; }
    
    /* Ukrywamy długą nazwę na bardzo małych ekranach, żeby nie psuła układu */
    .u-name-label { display: none; }
    .logout-btn { font-size: 12px; margin-top: 0; }
    .user-panel { padding: 4px 12px; gap: 8px; }
}