:root {
    --dark-blue-100: #609ed4;
    --dark-blue-200: #356ea9;
    --dark-blue-300: #0a3871;
    --dark-blue-400: #072b61;
    --dark-blue-500: #052051;

    --ligh-blue-100: #f3f5fc;
    --ligh-blue-200: #eff1fa;
    --ligh-blue-300: #e9ecf8;
    --ligh-blue-400: #aab2d5;
    --ligh-blue-500: #757fb2;

    --gray-100: #ced4da;
    --gray-200: #adb5bd;
    --gray-300: #868e96;
    --gray-400: #495057;
    --gray-500: #343a40;

    --white: #ffffff;

    --padding: 240px;
}

html, body {
    background-color: var(--ligh-blue-100);
}

.title {
    font-family: 'Inter', Cantarell, sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-blue-300);
    padding: 0 32px 64px 32px;
}

.container {
    display: flex;
    flex-direction: row;
    align-items: start;
    justify-content: space-between;
    padding: 0 var(--padding);
}

.input-container {
    flex: 2;
    display: flex;
    flex-direction: column;
}

.input-area {
    display: flex;
    flex-direction: column;
    align-items: baseline;
    justify-content: start;
}

#input {
    background-color: transparent;
    border: none;
    outline: none;
    font-family: 'Inter', sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 48px;
    text-align: left;
    color: rgba(10, 56, 113, 1);
    padding: 10px;
    resize: none;
    width: calc(90%);
}

#input::placeholder {
    color: rgba(10, 56, 113, 1);
    opacity: 1;
}

#input:focus::placeholder {
    color: transparent;
}

.allowed-chars {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 400;
    color: var(--gray-400);
}

.encrypt-decrypt-buttons {
    display: flex;
    justify-content: start;
    padding: 16px 0 0 0;
    gap: 24px;
}

.encrypt-button, .decrypt-button, .copy-button {
    width: 328px;
    height: 67px;
    border-radius: 24px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid rgba(10, 56, 113, 1);
}

.encrypt-button {
    background-color: var(--dark-blue-300);
    color: white;
}

.decrypt-button {
    background: rgba(216, 223, 232, 1);
    color: var(--dark-blue-300);
}

.output-container {
    flex: 1;
    transform: translateY(-14%);
}

.output-area {
    position: relative;
    width: 400px;
    height: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 32px;
    background-color: var(--white);
    box-shadow: 0 24px 32px -8px rgba(0, 0, 0, 0.08);
}

#not-found {
    padding: 0 24px 0 24px;
}

#no-encrypted {
    color: var(--gray-500);
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 700;
    line-height: 28px;
    text-align: center;
    padding: 0 24px 0 24px;
}

#no-encrypted-subtext {
    color: var(--gray-400);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    text-align: center;
    padding: 0 24px 0 24px;
}

#output {
    background-color: transparent;
    border: none;
    outline: none;
    font-family: 'Inter', sans-serif;
    font-size: 24px;
    font-weight: 400;
    line-height: 36px;
    text-align: left;
    color: var(--gray-400);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 24px;
    resize: none;
    width: calc(100% - 48px);
    height: calc(85% - 48px);
}

.copy-button {
    background-color: var(--white);
    color: var(--dark-blue-300);
    position: absolute;
    bottom: 0;
    margin-bottom: 20px;
}

footer {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 10px 0;
    background-color: transparent;
}

footer a {
    color: inherit;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Scrollbar */
/* Scrollbar for #input */
#input {
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: var(--dark-blue-200) transparent; /* Firefox */
}

#input::-webkit-scrollbar {
    width: 8px;
}

#input::-webkit-scrollbar-thumb {
    background-color: var(--dark-blue-200);
    border-radius: 10px;
}

#input::-webkit-scrollbar-track {
    background-color: transparent;
}

/* Scrollbar for #output */
#output {
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: var(--gray-400) transparent; /* Firefox */
}

#output::-webkit-scrollbar {
    width: 8px;
}

#output::-webkit-scrollbar-thumb {
    background-color: var(--gray-400);
    border-radius: 10px;
}

#output::-webkit-scrollbar-track {
    background-color: transparent;
}

/* Responsive layout */
@media (max-width: 1650px) {
    .container {
        flex-direction: column;
        align-items: center;
        justify-content: space-evenly;
    }

    .input-container {
        width: 100%;
    }

    #input {
        width: 100%;
    }

    .encrypt-button, .decrypt-button {
        width: 100%;
    }

    .copy-button {
        width: 90%;
    }

    .output-container {
        width: 100%;
        transform: translateY(10%);
        padding-bottom: 120px;
    }

    .output-area {
        width: 100%;
        height: 500px;
    }

    #not-found {
        display: none;
    }
}

@media (max-width: 1000px) {
    .container {
        padding: 20px;
    }

    .output-container {
        width: 100%;
    }

    .encrypt-decrypt-buttons {
        flex-direction: column;
    }
}