* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Courier New", Courier, monospace;
    background: #0c0c1e;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(92, 148, 252, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(228, 68, 52, 0.04) 0%, transparent 50%);
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
}

.page-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.container {
    background: #141428;
    border: 3px solid #e44434;
    border-radius: 12px;
    padding: 2rem;
    max-width: 800px;
    width: 100%;
    box-shadow:
        0 0 20px rgba(228, 68, 52, 0.15),
        0 8px 32px rgba(0, 0, 0, 0.4);
}

/* --- Header --- */

header {
    text-align: center;
    margin-bottom: 1.5rem;
}

h1 {
    color: #e44434;
    font-size: 1.6rem;
    letter-spacing: 0.05em;
    text-shadow: 2px 2px 0 #1a0a08;
}

.version {
    font-size: 0.75rem;
    color: #5c94fc;
    vertical-align: super;
    letter-spacing: 0;
}

.pipe-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.pipe {
    flex: 1;
    height: 4px;
    background: linear-gradient(180deg, #5c94fc, #3c6edc);
    border-radius: 2px;
}

.pipe-label {
    font-size: 0.75rem;
    color: #5c94fc;
    white-space: nowrap;
    letter-spacing: 0.08em;
}

/* --- Sections --- */

.section {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: #9a9ab0;
}

/* --- File Input --- */

.file-label {
    display: block;
    padding: 0.75rem 1rem;
    border: 2px dashed #e44434;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    color: #e44434;
    transition: all 0.2s;
    font-weight: bold;
}

.file-label:hover {
    background: rgba(228, 68, 52, 0.08);
    border-color: #ff6a5a;
}

.file-label.loaded {
    border-style: solid;
    color: #6dce56;
    border-color: #6dce56;
}

.note {
    font-size: 0.7rem;
    color: #555;
    margin-top: 0.4rem;
}

.note a {
    color: #5c94fc;
    text-decoration: none;
}

.note a:hover {
    text-decoration: underline;
}

.skip-validation-warning {
    color: #d4a14e;
}

/* --- Text Inputs --- */

input[type="text"] {
    width: 100%;
    padding: 0.5rem 0.6rem;
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #e0e0e0;
    font-family: inherit;
    font-size: 0.85rem;
}

input[type="text"]::placeholder {
    color: #444;
}

input[type="text"]:focus {
    outline: none;
    border-color: #5c94fc;
}

.input-row {
    display: flex;
    gap: 0.5rem;
}

.input-row input {
    flex: 1;
}

.input-row button {
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #9a9ab0;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.15s;
}

.input-row button:hover {
    background: #2a2a50;
    color: #e0e0e0;
}

/* --- Fieldsets --- */

fieldset {
    border: 1px solid #2a2a50;
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

legend {
    font-size: 0.8rem;
    color: #5c94fc;
    padding: 0 0.5rem;
    font-weight: bold;
    letter-spacing: 0.04em;
}

.group-note {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

#visual-patch-block {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #2a2a50;
}

/* --- Checkboxes & Radios --- */

.opt-icon {
    width: 24px;
    height: 24px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    flex-shrink: 0;
    background: transparent;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #e0e0e0;
    margin-bottom: 0.4rem;
    cursor: pointer;
}

.radio-label:last-child,
.select-label:last-child {
    margin-bottom: 0;
}

input[type="radio"] {
    accent-color: #e44434;
}

/* --- Select Labels --- */

.select-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #e0e0e0;
    margin-bottom: 0.4rem;
}

.select-label select {
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #e0e0e0;
    font-family: inherit;
    font-size: 0.8rem;
    padding: 0.25rem 0.4rem;
    margin-left: auto;
}

.select-label select:focus {
    outline: none;
    border-color: #5c94fc;
}

/* --- Pill Groups (tri-state segmented controls) --- */

.pill-group {
    display: inline-flex;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    overflow: hidden;
    margin-left: auto;
}

.pill-group input[type="radio"] {
    display: none;
}

.pill-group label {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    color: #9a9ab0;
    cursor: pointer;
    border-right: 1px solid #2a2a50;
    margin-bottom: 0;
    transition: all 0.15s;
    background: #1c1c38;
}

.pill-group label:last-of-type {
    border-right: none;
}

.pill-group label:hover {
    background: #2a2a50;
    color: #e0e0e0;
}

.pill-group input[type="radio"]:checked + label {
    background: var(--pill-active, #4a8a4f);
    color: var(--pill-active-text, #fff);
}

/* "Off" selected: muted gray so an explicit off doesn't read as a hot accent. */
.pill-group input[type="radio"][value="off"]:checked + label {
    background: #3a3a60;
    color: #b8b8d0;
}

/* "Maybe" and "Wild" share a cool violet to mark "the seed picks something
   spicier than a plain shuffle". Visually distinct from the green on/shuffle accent. */
.pill-group input[type="radio"][value="maybe"]:checked + label,
.pill-group input[type="radio"][value="wild"]:checked + label {
    background: #6f5fb8;
    color: #fff;
}

/* Row tint for active options. .opt-on is the green "this flag is doing something"
   state (bool true, or tri non-off). .opt-maybe is the violet "the seed will decide"
   state. Both are subtle so a screen full of on flags doesn't feel loud. */
.select-label.opt-on {
    background: rgba(92, 184, 92, 0.07);
}

.select-label.opt-maybe {
    background: rgba(124, 100, 220, 0.14);
}

.select-label.opt-on,
.select-label.opt-maybe {
    border-radius: 4px;
    padding: 0.25rem 0.45rem;
    margin: -0.05rem -0.45rem 0.35rem -0.45rem;
    transition: background-color 0.15s;
}

/* When "+ Viruses" is the chosen visual patch, also light the Dr. Mario pill
   so the player sees the relationship (viruses implies Dr. Mario). The base
   pill keeps its own white background and dark text regardless of which
   sibling is the actual radio selection. */
.pill-group:has(input#vp-dr_mario_viruses:checked) label[for="vp-dr_mario"] {
    background: #e8e8f0;
    color: #1c1c38;
}

/* --- Tip Button + Block --- */

.tip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: #2a2a50;
    border: none;
    border-radius: 50%;
    color: #9a9ab0;
    font-size: 0.7rem;
    font-weight: bold;
    font-family: inherit;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s;
    padding: 0;
    line-height: 1;
    vertical-align: middle;
}

.option-header > .tip-btn {
    margin-left: 0.4rem;
}

.tip-btn:hover,
.tip-btn:focus-visible {
    background: #5c94fc;
    color: #fff;
    outline: none;
}

.tip-btn[aria-expanded="true"] {
    background: #5c94fc;
    color: #fff;
}

.option-tip {
    font-size: 0.75rem;
    color: #9a9ab0;
    background: #1c1c38;
    padding: 0.5rem 0.75rem;
    border-left: 2px solid #5c94fc;
    border-radius: 4px;
    margin: 0.25rem 0 0.5rem 0;
    line-height: 1.45;
}

.sub-options + .option-tip {
    margin-left: 1.25rem;
}

.option-credit {
    margin-top: 0.4rem;
    font-size: 0.7rem;
    color: #7a7a92;
}

.option-credit a {
    color: #5c94fc;
}

/* --- Tags --- */

.tag {
    font-size: 0.65rem;
    background: #e44434;
    color: #fff;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
}

/* --- Overworld two-column layout --- */

.overworld-columns {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.overworld-col {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #2a2a50;
    border-radius: 6px;
    transition: opacity 0.2s;
}

.overworld-col.disabled {
    opacity: 0.35;
}

.overworld-col.disabled .sub-options {
    pointer-events: none;
}

.option-explain {
    font-size: 0.65rem;
    color: #5c94fc;
    margin: 0.15rem 0 0.35rem 1.25rem;
    line-height: 1.3;
}

.sub-options {
    padding-left: 1.25rem;
    margin-top: 0.25rem;
}

.sub-options.disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* --- Option Groups (radio sections) --- */

.option-group {
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #1e1e3a;
}

.option-group:last-of-type {
    margin-bottom: 0.5rem;
}

.option-header {
    font-size: 0.85rem;
    color: #e0e0e0;
    margin-bottom: 0.35rem;
}

.radio-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 0.5rem;
}

.option-desc {
    font-size: 0.7rem;
    color: #5c94fc;
    margin-left: 0.25rem;
}

.option-flavor {
    font-size: 0.65rem;
    color: #0c0c1e;
    background: #6dce56;
    margin-left: 0.25rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-style: italic;
}

/* --- Radio Group (inline) --- */

.radio-group {
    display: flex;
    gap: 1.5rem;
}

/* --- Generate Button --- */

#generate-btn {
    display: block;
    width: 100%;
    padding: 0.85rem;
    background: #e44434;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    letter-spacing: 0.06em;
    transition: all 0.15s;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
}

#generate-btn:hover:not(:disabled) {
    background: #ff5a4a;
    box-shadow: 0 0 12px rgba(228, 68, 52, 0.3);
}

#generate-btn:active:not(:disabled) {
    transform: translateY(1px);
}

#generate-btn:disabled {
    background: #2a2a50;
    color: #555;
    cursor: not-allowed;
    text-shadow: none;
}

/* --- Status --- */

.status {
    margin-top: 1rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    text-align: center;
}

.status.success {
    background: rgba(109, 206, 86, 0.1);
    color: #6dce56;
    border: 1px solid rgba(109, 206, 86, 0.3);
}

.status.error {
    background: rgba(228, 68, 52, 0.1);
    color: #e44434;
    border: 1px solid rgba(228, 68, 52, 0.3);
}

.status.loading {
    color: #9a9ab0;
}

/* --- Control Panel (sidebar: seed / flag key / generate) --- */

.control-panel {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 2rem;
    background: #141428;
    border: 3px solid #e44434;
    border-radius: 12px;
    padding: 1rem;
    color: #9a9ab0;
    box-shadow:
        0 0 20px rgba(228, 68, 52, 0.15),
        0 8px 32px rgba(0, 0, 0, 0.4);
}

.control-panel-section {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #2a2a50;
}

.control-panel-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.control-panel-title {
    display: block;
    font-size: 0.8rem;
    font-weight: bold;
    color: #e44434;
    margin-bottom: 0.5rem;
    letter-spacing: 0.04em;
}

.control-panel input[type="text"] {
    margin-bottom: 0.5rem;
}

#flag-key-input {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8rem;
}

.preset-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.preset-pill {
    flex: 1 1 calc(50% - 0.25rem);
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #9a9ab0;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.15s;
}

.preset-pill:hover {
    background: #2a2a50;
    color: #e0e0e0;
}

.flag-key-buttons {
    display: flex;
    gap: 0.5rem;
}

.flag-key-buttons button {
    flex: 1;
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #9a9ab0;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.15s;
}

.flag-key-buttons button:hover {
    background: #2a2a50;
    color: #e0e0e0;
}

.changes-summary-toggle {
    width: 100%;
    background: #1c1c38;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    color: #9a9ab0;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    font-family: inherit;
    font-size: 0.75rem;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.15s;
    margin-bottom: 0.5rem;
}

.changes-summary-toggle:hover:not(:disabled) {
    background: #2a2a50;
    color: #e0e0e0;
}

.changes-summary-toggle:disabled {
    cursor: default;
    opacity: 0.7;
}

.changes-summary-toggle::after {
    content: "▸";
    font-size: 0.7rem;
    transition: transform 0.15s;
    margin-left: 0.5rem;
}

.changes-summary-toggle[aria-expanded="true"]::after {
    transform: rotate(90deg);
}

.changes-summary-toggle:disabled::after {
    visibility: hidden;
}

.changes-summary-list {
    margin-bottom: 0.5rem;
    max-height: 250px;
    overflow-y: auto;
    background: #0e0e1c;
    border: 1px solid #2a2a50;
    border-radius: 4px;
    padding: 0.4rem 0.5rem;
}

.change-row {
    font-size: 0.7rem;
    color: #e0e0e0;
    padding: 0.25rem 0;
    line-height: 1.4;
}

.change-row + .change-row {
    border-top: 1px solid #1e1e3a;
}

.change-row .change-label {
    color: #9a9ab0;
}

.change-row .change-value {
    color: #e0e0e0;
    font-weight: bold;
}

.change-row .change-default {
    color: #555;
    margin-left: 0.25rem;
}

.early-access-note {
    margin-top: 0.6rem;
    text-align: center;
    font-size: 0.7rem;
    color: #777;
    line-height: 1.4;
}

.early-access-note a {
    color: #5c94fc;
    text-decoration: none;
}

.early-access-note a:hover {
    text-decoration: underline;
}

@media (max-width: 1100px) {
    .page-wrapper {
        display: block;
    }
    .control-panel {
        width: 100%;
        margin-top: 1rem;
    }
}

/* --- Footer --- */

footer {
    margin-top: 1.25rem;
    text-align: center;
}

footer p {
    font-size: 0.65rem;
    color: #444;
}

.link-btn {
    background: none;
    border: none;
    color: #e44434;
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
    padding: 0.2rem 0;
    text-decoration: underline;
}

.link-btn:hover {
    color: #ff6b5b;
}