.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    min-width: 400px;
}

input[type='file'] {
    display: none;
}

.file-label {
    background-color: var(--bg-tertiary);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    cursor: pointer;
    color: var(--text-primary);
    display: inline-block;
}

.file-label:hover {
    background-color: var(--accent-hover);
    color: var(--bg-primary);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

button {
    background-color: var(--bg-tertiary);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    cursor: pointer;
    color: var(--text-primary);
    display: inline-block;
}

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

.error {
    color: var(--error);
    display: flex;
    justify-content: center;
}