/* --- Podstawowe Style --- */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --light-gray: #f4f7f6;
    --dark-gray: #333;
    --text-color: #555;
    --border-color: #ddd;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--light-gray);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;    

  }

header {
    background-color: white;
    text-align: center;
    padding: 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    color: var(--dark-gray);
    margin: 0;
}

footer {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    font-size: 0.9em;
    color: #888;
}

/* --- Siatka Kalkulatorów --- */
.calculators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.calculator-container {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.calculator-container h2 {
    color: var(--dark-gray);
    margin-top: 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

/* --- Formularze --- */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

label {
    font-weight: 600;
    color: var(--dark-gray);
}

input[type="number"], select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

button {
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

button:hover {
    background-color: var(--primary-hover);
}

/* --- Wyniki --- */
.wynik {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    background-color: var(--light-gray);
    border-left: 5px solid;
    display: none; /* Ukryty domyślnie */
}

.wynik-success { border-color: var(--success-color); }
.wynik-warning { border-color: var(--warning-color); }
.wynik-danger { border-color: var(--danger-color); }
.wynik-info { border-color: var(--primary-color); }

/* --- Dodatkowe Style --- */
.dla-kobiet {
    display: none; /* Domyślnie ukryte */
}
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