html, body {
    background: var(--bg, #212529);
    color: var(--fg, #ffffff);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    min-height: 100vh;
    margin: 0;
}

::selection {
    background: color-mix(in srgb, var(--accent) 60%, transparent);
    color: var(--bg);
}

h1, h2, h3, h4 {
    color: var(--fg);
    letter-spacing: 0.04em;
    text-shadow: 0 0 10px color-mix(in srgb, var(--accent) 35%, transparent);
}

a, .btn-link {
    color: var(--accent-2);
    text-decoration: none;
    text-shadow: 0 0 6px color-mix(in srgb, var(--accent-2) 55%, transparent);
    transition: filter .15s ease;
}

a:hover, .btn-link:hover {
    filter: brightness(1.25);
}

.content {
    padding-top: 1.5rem;
}

h1:focus {
    outline: none;
}

input[type="text"],
input[type="url"],
input[type="number"],
input[type="email"],
.input,
textarea,
select {
    background: color-mix(in srgb, var(--bg) 80%, black);
    color: var(--fg);
    border: 1px solid color-mix(in srgb, var(--accent) 65%, transparent);
    border-radius: 6px;
    padding: 0.55rem 0.85rem;
    outline: none;
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 30%, transparent);
    transition: box-shadow .15s ease, border-color .15s ease;
    caret-color: var(--accent);
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
.input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent);
    box-shadow:
        0 0 10px var(--accent),
        0 0 22px color-mix(in srgb, var(--accent) 45%, transparent);
}

input::placeholder,
textarea::placeholder {
    color: color-mix(in srgb, var(--fg) 55%, transparent);
}

/* Neon button — only buttons get the full neon treatment */
button,
.btn,
input[type="submit"],
input[type="button"] {
    appearance: none;
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 6px;
    padding: 0.6rem 1.5rem;
    font: inherit;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-shadow: 0 0 6px var(--accent);
    box-shadow:
        0 0 6px color-mix(in srgb, var(--accent) 65%, transparent),
        inset 0 0 8px color-mix(in srgb, var(--accent) 35%, transparent);
    cursor: pointer;
    transition: color .15s ease, background-color .15s ease, box-shadow .15s ease, transform .05s ease;
}

button:hover,
.btn:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
    color: var(--bg);
    background: var(--accent);
    box-shadow:
        0 0 10px var(--accent),
        0 0 24px color-mix(in srgb, var(--accent) 70%, transparent),
        0 0 48px color-mix(in srgb, var(--accent) 35%, transparent);
}

button:active,
.btn:active {
    transform: translateY(1px);
}

button:focus-visible,
.btn:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 2px var(--bg),
        0 0 0 4px var(--accent-2),
        0 0 18px var(--accent-2);
}

/* Pink-accent variant for secondary actions */
.btn-accent,
button.accent {
    color: var(--accent-2);
    border-color: var(--accent-2);
    text-shadow: 0 0 6px var(--accent-2);
    box-shadow:
        0 0 6px color-mix(in srgb, var(--accent-2) 65%, transparent),
        inset 0 0 8px color-mix(in srgb, var(--accent-2) 35%, transparent);
}

.btn-accent:hover,
button.accent:hover {
    color: var(--bg);
    background: var(--accent-2);
    box-shadow:
        0 0 10px var(--accent-2),
        0 0 24px color-mix(in srgb, var(--accent-2) 70%, transparent),
        0 0 48px color-mix(in srgb, var(--accent-2) 35%, transparent);
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--accent);
}

.invalid {
    outline: 1px solid var(--accent-2);
    box-shadow: 0 0 8px color-mix(in srgb, var(--accent-2) 60%, transparent);
}

.validation-message {
    color: var(--accent-2);
    text-shadow: 0 0 6px color-mix(in srgb, var(--accent-2) 50%, transparent);
}

.blazor-error-boundary {
    background: color-mix(in srgb, var(--bg) 70%, black);
    color: var(--fg);
    border: 1px solid var(--accent-2);
    border-radius: 6px;
    box-shadow: 0 0 18px color-mix(in srgb, var(--accent-2) 50%, transparent);
    padding: 1rem 1.25rem;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
    color: var(--accent-2);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: color-mix(in srgb, var(--fg) 50%, transparent);
    text-align: end;
}

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

/* Avoid iOS zoom-on-focus by keeping input font-size >= 16px */
input, textarea, select, button {
    font-size: 1rem;
}

/* Mobile layout */
@media (max-width: 640px) {
    .content {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }

    /* Bootstrap percentage widths become fluid on small screens */
    .content .w-50,
    .content .w-25,
    .content .w-75 {
        width: 100% !important;
    }

    button,
    .btn,
    input[type="submit"],
    input[type="button"] {
        padding: 0.55rem 1rem;
        letter-spacing: 0.08em;
        width: 100%;
    }
}