/* --- ZMIENNE --- */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --accent: #38bdf8;
    --border: #334155;
    --highlight: #fbbf24;
    --btn-bg: #334155;
    --smart: #a855f7;
    --main-yellow: #f1c40f;
}

body.light-mode {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --accent: #0284c7;
    --border: #e2e8f0;
    --btn-bg: #e2e8f0;
}

/* --- RESTART I BAZA --- */
body { 
    background-color: var(--bg-color); 
    color: var(--text-color); 
    font-family: 'Segoe UI', sans-serif; 
    margin: 0; padding: 0; 
    transition: 0.3s; 
}
/* Styl dla opisu regionalnego */
.region-info {
    background: rgba(56, 189, 248, 0.1); /* Delikatny błękitny podkład */
    border-left: 4px solid var(--accent);
    padding: 15px 20px;
    margin-bottom: 25px;
    border-radius: 4px 12px 12px 4px;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* W trybie jasnym zmieniamy tło na nieco wyraźniejsze */
body.light-mode .region-info {
    background: #e0f2fe;
    color: #0369a1;
}

.region-info strong {
    color: var(--accent);
    display: block;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.container { max-width: 1000px; margin: 0 auto; padding: 40px 20px; }

/* --- NAWIGACJA --- */
header.main-nav { 
    background: #1a1a1a; 
    padding: 1rem 5%; 
    display: flex; justify-content: space-between; align-items: center; 
    border-bottom: 3px solid var(--main-yellow); 
    position: sticky; top: 0; z-index: 1000;
}
.logo { font-size: 1.5rem; font-weight: bold; color: var(--main-yellow); text-decoration: none; }
nav a { color: white; text-decoration: none; margin-left: 20px; }

/* --- KALKULATOR --- */
.calc-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--accent); padding-bottom: 15px; margin-bottom: 25px; }
.accent-text { color: var(--accent); }
.theme-toggle { padding: 8px 15px; cursor: pointer; border-radius: 20px; border: 2px solid var(--accent); background: var(--btn-bg); color: var(--text-color); }

.section-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 25px; margin-bottom: 20px; }
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; margin: 15px 0; }
.choice-btn { background: var(--btn-bg); border: 1px solid var(--border); color: var(--text-color); padding: 10px 18px; border-radius: 8px; cursor: pointer; }
.choice-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

.smart-toggle { background: #581c87; color: white; border: 2px solid var(--smart); padding: 15px; width: 100%; border-radius: 12px; font-weight: bold; cursor: pointer; transition: 0.3s; }
.smart-toggle.active { background: var(--smart); box-shadow: 0 0 15px var(--smart); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .grid { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; }
td { padding: 10px 0; border-bottom: 1px solid var(--border); }
.val { text-align: right; font-weight: bold; color: var(--accent); }

.total-panel { background: linear-gradient(135deg, #1e293b, #0f172a); border: 2px solid var(--accent); padding: 30px; border-radius: 16px; text-align: center; margin-top: 30px; }
.total-price { font-size: 3em; display: block; font-weight: 800; color: var(--highlight); }
.smart-text { color: var(--smart); display: none; }

/* --- CENNIK I FORMULARZ --- */
.cennik-title { text-align: center; color: var(--main-yellow); margin-top: 50px; }
.cta-box { text-align: center; margin-top: 40px; padding: 30px; border: 2px dashed var(--main-yellow); border-radius: 16px; }
.input-style { width: 100%; padding: 10px; margin: 10px 0; border-radius: 8px; border: 1px solid var(--border); background: var(--card-bg); color: var(--text-color); }
.submit-btn { background: var(--main-yellow); color: #000; padding: 15px; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; width: 100%; }

footer { background: #1a1a1a; color: white; text-align: center; padding: 30px; margin-top: 50px; }