#subconverter {
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

#subconverter textarea,
#subconverter select,
#subconverter input[type="text"] {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background: var(--surface-soft);
    color: var(--text);
    font-size: 16px;
    line-height: 1.5;
    transition: border-color 160ms ease;
}

#subconverter textarea,
#subconverter input[type="text"] {
    font-family: var(--font-mono);
}

#subconverter textarea {
    min-height: 144px;
    margin-bottom: 24px;
    resize: vertical;
}

#subconverter textarea::placeholder,
#subconverter input[type="text"]::placeholder {
    color: var(--muted);
    opacity: 1;
}

#subconverter textarea:focus-visible,
#subconverter select:focus-visible,
#subconverter input[type="text"]:focus-visible {
    border-color: var(--focus);
}

.input-group {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: center;
    gap: 8px 16px;
    margin-bottom: 20px;
}

.input-group label {
    color: var(--muted);
    font-size: 14px;
    font-weight: 500;
}

.input-group--custom {
    margin: 0;
}

.input-group--custom input {
    grid-column: 2;
    margin-top: -8px;
    margin-bottom: 20px;
}

.gbutton {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    margin-left: 128px;
}

#sub-generate {
    min-width: 144px;
    max-width: 100%;
    min-height: 44px;
    padding: 10px 24px;
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    background: var(--accent);
    color: var(--on-accent);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease;
}

#sub-generate:hover {
    border-color: var(--accent-hover);
    background: var(--accent-hover);
}

.result-text {
    display: block;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.7;
    overflow-wrap: anywhere;
}

.result-text:not(:empty) {
    margin-top: 24px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.footer {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
}

.footer a:not([href]) {
    color: inherit;
    text-decoration: none;
}

@media (max-width: 600px) {
    #subconverter {
        padding: 16px;
    }

    .input-group {
        grid-template-columns: minmax(0, 1fr);
    }

    .input-group--custom input {
        grid-column: 1;
    }

    .gbutton {
        margin-left: 0;
    }

    #sub-generate {
        width: 100%;
    }
}