:root { 
    --accent: #22d3ee; 
    --bg: #0f172a; 
    --card: #1e293b; 
    --text: #f1f5f9; 
    --green: #4ade80; 
}

body { 
    font-family: 'Segoe UI', Roboto, sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    padding: 20px; 
    margin: 0;
}

.card { 
    background: var(--card); 
    padding: 25px; 
    border-radius: 20px; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.5); 
    width: 100%; 
    max-width: 850px; 
    border: 1px solid #334155; 
    box-sizing: border-box;
}

h2 { 
    color: var(--accent); 
    text-align: center; 
    margin-bottom: 25px; 
    text-transform: uppercase; 
    letter-spacing: 1px; 
    font-size: 1.5rem;
}

.section { 
    background: rgba(0,0,0,0.2); 
    padding: 18px; 
    border-radius: 12px; 
    margin-bottom: 20px; 
    border: 1px solid #334155; 
}

.section-title { 
    font-size: 11px; 
    color: var(--accent); 
    font-weight: bold; 
    text-transform: uppercase; 
    margin-bottom: 15px; 
    display: block; 
    letter-spacing: 1px;
}

.grid-3 { 
    display: grid; 
    grid-template-columns: 2fr 1fr auto; 
    gap: 15px; 
    align-items: end; 
}

.grid-3-dev {
    display: grid; 
    grid-template-columns: 2fr 1fr 1fr auto; 
    gap: 10px; 
    align-items: end;
}

input, select { 
    background: #0f172a; 
    border: 1px solid #475569; 
    color: #fff; 
    padding: 10px; 
    border-radius: 6px; 
    width: 100%; 
    box-sizing: border-box; 
    font-size: 14px;
}

input:focus {
    border-color: var(--accent);
    outline: none;
}

.btn { 
    cursor: pointer; 
    border: none; 
    border-radius: 6px; 
    font-weight: bold; 
    transition: 0.2s; 
    padding: 10px 20px; 
}

.btn-add { 
    background: var(--accent); 
    color: #0f172a; 
}

.btn-add:hover {
    filter: brightness(1.1);
}

.dashboard { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); 
    gap: 12px; 
    margin-top: 25px; 
}

.stat-box { 
    background: #0f172a; 
    padding: 15px; 
    border-radius: 10px; 
    text-align: center; 
    border: 1px solid #334155; 
}

.stat-box label {
    font-size: 10px;
    opacity: 0.7;
    display: block;
    margin-bottom: 5px;
}

.stat-val { 
    display: block; 
    font-size: 18px; 
    font-weight: bold; 
    color: var(--accent); 
}

.main-results { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 20px; 
    margin-top: 25px; 
}

.res-card { 
    padding: 25px; 
    border-radius: 15px; 
    text-align: center; 
    color: #0f172a; 
}

.res-label {
    font-size: 11px; 
    font-weight: 900; 
    display: block; 
    margin-bottom: 10px;
}

.res-blue { background: linear-gradient(135deg, #22d3ee, #0ea5e9); }
.res-green { background: linear-gradient(135deg, #4ade80, #22c55e); }

.res-val { 
    font-size: 36px; 
    font-weight: 900; 
    display: block; 
}

.warning { 
    grid-column: span 2; 
    background: #ef4444; 
    color: white; 
    text-align: center; 
    font-weight: bold; 
    padding: 12px; 
    border-radius: 8px; 
    margin-top: 15px; 
    display: none; 
}

/* Responsywność dla telefonów */
@media (max-width: 600px) {
    .grid-3, .grid-3-dev {
        grid-template-columns: 1fr;
    }
    .main-results {
        grid-template-columns: 1fr;
    }
    .res-val {
        font-size: 28px;
    }
}