/* Podstawy */

* {
    box-sizing: border-box;
}

:root {
    --bg: #111827;
    --bg-card: #fdf7ec;
    --bg-card-inner: #fffaf1;
    --accent: #fbbf24;
    --accent-dark: #92400e;
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
}

body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    background: var(--bg);
    color: var(--text-main);
}

/* Główna „rama” */

.qr-app {
    max-width: 420px;
    margin: 0 auto;
    min-height: 100vh;
    padding: 32px 16px 32px;
}

/* Nagłówek */

.qr-header h1 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 700;
}

.qr-header p {
    margin: 0 0 24px;
    font-size: 13px;
    color: var(--text-muted);
    max-width: 320px;
}

/* Input na URL */

.url-label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.url-input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #4b5563;
    background: transparent;
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    margin-bottom: 24px;
}

.url-input::placeholder {
    color: #6b7280;
}

.url-input:focus {
    border-color: #9ca3af;
    box-shadow: 0 0 0 1px rgba(156, 163, 175, 0.3);
}

/* Karta z „makietą” mObywatel */

.mock-card {
    margin-top: 8px;
    display: flex;
    justify-content: center;
}

.mock-card-inner {
    width: 100%;
    border-radius: 24px;
    padding: 18px 18px 24px;
    background: var(--bg-card);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    color: #111827;
}

.mock-card-inner h2 {
    margin: 0 0 6px;
    font-size: 18px;
}

.mock-subtitle {
    margin: 0 0 12px;
    font-size: 13px;
    color: #4b5563;
}

/* Żółty pasek ostrzegawczy */

.mock-warning {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fef3c7;
    border-radius: 999px;
    padding: 8px 10px;
    margin-bottom: 16px;
}

.mock-warning-icon {
    width: 20px;
    height: 20px;
    border-radius: 999px;
    background: #fde68a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--accent-dark);
}

.mock-warning-text {
    font-size: 12px;
    color: #92400e;
}

/* Kontener na kod QR */

.qr-container {
    margin-top: 4px;
    background: var(--bg-card-inner);
    border-radius: 18px;
    padding: 20px 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-placeholder {
    font-size: 12px;
    color: #9ca3af;
    text-align: center;
    max-width: 220px;
}

/* Obraz QR wygenerowany przez bibliotekę */

#qr-container canvas,
#qr-container img {
    max-width: 220px;
    max-height: 220px;
}

/* Desktop – wycentrowanie „telefonu” */

@media (min-width: 768px) {
    body {
        display: flex;
        justify-content: center;
        align-items: flex-start;
    }

    .qr-app {
        margin-top: 40px;
    }
}