* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    font-family: Arial, sans-serif;
    background: pink;
    color: #1f2937;
}

.card {
    width: min(760px, 94vw);
    background: #ffffff;
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.07);
}

h1 {
    margin-top: 0;
    font-size: 28px;
    margin-bottom: 10px;
}

p {
    margin-top: 0;
    color: #4b5563;
    line-height: 1.5;
}

.text-box {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    background: #f9fafb;
    font-size: 14px;
    line-height: 1.45;
    white-space: pre-wrap;
    margin: 8px 0;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
    position: relative;
}

.text-box:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.text-box:active {
    transform: scale(0.995);
}

.text-box.copied::after {
    content: 'Skopiowano';
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 12px;
    font-weight: 700;
    color: #059669;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 999px;
    padding: 2px 8px;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}