html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html { font-size: 16px; }
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Drop zone */
.drop-zone {
    border: 2px dashed #ced4da;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
    background-color: #f8f9fa;
    user-select: none;
}

.drop-zone:hover,
.drop-zone--over {
    border-color: #0d6efd;
    background-color: #eef3ff;
}

.drop-zone--disabled {
    opacity: 0.55;
    pointer-events: none;
    cursor: not-allowed;
}

.drop-zone__content {
    pointer-events: none;
}

/* Result area */
#html-output {
    font-size: 0.78rem;
    resize: vertical;
    background: #1e1e1e;
    color: #d4d4d4;
    border-radius: 0;
}

/* Focus styles */
.btn:focus, .btn:active:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* Form floating placeholder */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}