* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #EEF2FF, #E0E7FF);
    padding: 1rem;
}

.container {
    max-width: 28rem;
    margin: 2rem auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    text-align: center;
}

.icon {
    display: flex;
    justify-content: center;
    color: #4F46E5;
}

h1 {
    margin-top: 1rem;
    color: #111827;
    font-size: 1.875rem;
    font-weight: 700;
}

header p {
    margin-top: 0.5rem;
    color: #4B5563;
}

.input-section {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.input-container {
    position: relative;
}

.link-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9CA3AF;
}

input {
    width: 100%;
    padding: 0.75rem 0.75rem 0.75rem 2.5rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.5rem;
    outline: none;
    font-size: 1rem;
}

input:focus {
    border-color: #4F46E5;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.qr-container {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    text-align: center;
}

.qr-container.hidden {
    display: none;
}

#qrCode {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 1rem;
}

#qrCode img {
    border: 8px solid white;
    border-radius: 0.5rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #4F46E5;
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.download-btn:hover {
    background-color: #4338CA;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    flex: 1;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px 0;
}