a.logo-link {
    text-decoration: none;
    color: var(--text-color);
}

.qr-page-container {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 24px;
    padding: 24px;
    max-width: 1000px;
    margin: 20px auto;
}

@media (min-width: 768px) {
    .qr-page-container {
        grid-template-columns: 1fr 1fr;
    }
}

.grid-card {
    background: var(--surface-1);
    border-radius: var(--radius-2);
    box-shadow: var(--elevation-1);
    border: 1px solid var(--surface-2);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.grid-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--elevation-2);
    background: var(--surface-2);
}

.card-header {
    color: var(--accent-color);
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--surface-2);
}

.card-header h2 {
    margin: 0;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-icon-wrapper {
    position: relative;
    display: inline-block;
}

.info-icon {
    cursor: pointer;
    color: var(--text-color-muted);
    font-size: 1.2rem;
}

.tooltip {
    display: none;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--surface-2);
    color: var(--text-color);
    padding: 1rem;
    border-radius: var(--radius-1);
    box-shadow: var(--elevation-2);
    width: 250px;
    z-index: 10;
    text-align: center;
    font-size: 0.9rem;
    line-height: 1.4;
}

.info-icon-wrapper:hover .tooltip {
    display: block;
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--surface-2) transparent transparent transparent;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qr-input {
    width: 93%;
    height: 160px;
    padding: 1rem;
    border: 1px solid var(--surface-2);
    border-radius: var(--radius-1);
    background: var(--surface-0);
    color: var(--text-color);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1em;
    resize: none;
    transition: all 0.3s ease;
}

.qr-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color-translucent);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-1);
    background: var(--accent-color);
    color: var(--bg-color);
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--elevation-1);
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--elevation-2);
}

.qr-code-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 250px;
    padding: 16px;
    border: 2px dashed var(--surface-2);
    border-radius: var(--radius-1);
    background-color: var(--surface-0);
}

.qr-code-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.placeholder-text {
    color: var(--text-color-muted);
    text-align: center;
}