:root {
    --bg-dark: #0a0a0c;
    --bg-panel: rgba(255, 255, 255, 0.05);
    --border-panel: rgba(255, 255, 255, 0.1);
    --primary: #8b5cf6;
    --secondary: #ec4899;
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
}

.background-gradients {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 30px); }
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    max-width: 960px;
}

.text-gradient {
    background: linear-gradient(135deg, #c4b5fd 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-header {
    padding: 20px 0;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text-main);
}

.social-link {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.social-link:hover {
    color: var(--text-main);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: inherit;
    text-decoration: none;
}

.hero {
    padding: 32px 0 20px;
    text-align: center;
}

.hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
}

main {
    padding-bottom: 24px;
}

.panel-section {
    margin-bottom: 24px;
}

.glass-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-panel);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 20px 24px;
}

.section-heading {
    font-size: 1.25rem;
    margin-bottom: 14px;
}

.games-section {
    margin-bottom: 24px;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.game-grid-status {
    grid-column: 1 / -1;
    color: var(--text-muted);
    text-align: center;
    padding: 32px 16px;
    font-size: 0.875rem;
}

.game-grid .card {
    position: relative;
    padding: 18px;
    border-radius: 16px;
    color: inherit;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
}

.game-grid .card-hover-desc {
    position: absolute;
    top: 10px;
    right: 10px;
    max-width: min(200px, calc(100% - 20px));
    padding: 8px 10px;
    border-radius: 8px;
    background: rgba(10, 10, 12, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--text-main);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    pointer-events: none;
    z-index: 2;
}

.game-grid .card--has-hover-desc:hover .card-hover-desc {
    opacity: 1;
    visibility: visible;
}

.game-grid .card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.game-grid .card:focus-visible {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.game-grid .card.is-selected {
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(139, 92, 246, 0.1);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
}

.game-grid .card-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    margin-bottom: 14px;
    flex-shrink: 0;
}

.game-grid .card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.game-grid .card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.game-grid .card-desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-icon {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    position: relative;
}

.game-grid .pokemon-icon::after { width: 18px; height: 18px; border-width: 1.5px; box-shadow: inset 0 0 0 1.5px var(--bg-dark); }
.game-grid .tetris-icon::after { width: 9px; height: 9px; box-shadow: -9px 0 0 #a78bfa, 0 9px 0 #a78bfa, 0 0 0 #a78bfa, 9px 0 0 white; }
.game-grid .print-icon::after { width: 15px; height: 12px; box-shadow: 0 -3px 0 var(--text-muted); border-top-width: 3px; }
.game-grid .gba-icon::after { width: 21px; height: 14px; border-width: 1.5px; border-radius: 3px 3px 7px 7px; }
.game-grid .gba-icon::before { width: 10px; height: 6px; }
.game-grid .drmario-icon::after { width: 21px; height: 9px; }
.game-grid .drmario-icon::before { width: 1px; height: 9px; }
.game-grid .yoshi-icon::after { width: 15px; height: 20px; }
.game-grid .yoshi-icon::before { width: 4px; height: 4px; transform: translate(-4px, -4px); box-shadow: 5px 1px 0 #a78bfa, -2px 5px 0 #ec4899; }
.game-grid .cartdump-icon::after { width: 20px; height: 20px; }
.game-grid .cartdump-icon::before { width: 12px; height: 6px; transform: translate(-50%, calc(-50% + 3px)); }

.pokemon-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: inset 0 0 0 2px var(--bg-dark);
    background: linear-gradient(to bottom, #ec4899 50%, white 50%);
}

.tetris-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    box-shadow: -12px 0 0 #a78bfa, 0 12px 0 #a78bfa, 0 0 0 #a78bfa, 12px 0 0 white;
    background: white;
}

.print-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 16px;
    background: white;
    box-shadow: 0 -4px 0 var(--text-muted);
    border-radius: 2px;
    border-top: 4px solid var(--text-muted);
}

.gba-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 18px;
    background: transparent;
    border: 2px solid white;
    border-radius: 4px 4px 10px 10px;
    box-shadow: inset 0 0 0 2px var(--bg-dark);
}

.gba-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 8px;
    background: white;
    opacity: 0.5;
}

.drmario-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    width: 28px;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, #ec4899 0%, #ec4899 50%, #a78bfa 50%, #a78bfa 100%);
    box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.9);
}

.drmario-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
    width: 1.5px;
    height: 12px;
    background: rgba(255, 255, 255, 0.9);
    z-index: 1;
}

.yoshi-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 26px;
    border-radius: 50% 50% 48% 48% / 58% 58% 42% 42%;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.75));
}

.yoshi-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #ec4899;
    transform: translate(-5px, -5px);
    box-shadow: 7px 1px 0 #a78bfa, -2px 6px 0 #ec4899;
    z-index: 1;
}

.cartdump-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 26px;
    height: 26px;
    background: white;
    clip-path: polygon(0 0, 85% 0, 100% 12%, 100% 100%, 0 100%);
    border-radius: 2px;
}

.cartdump-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 8px;
    background: var(--bg-dark);
    transform: translate(-50%, calc(-50% + 4px));
    border-radius: 1px;
    z-index: 1;
}

.checkbox-field {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.875rem;
    margin-bottom: 20px;
}

.checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-field label {
    margin-bottom: 0;
    color: var(--text-main);
    cursor: pointer;
    font-size: 0.95rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-family: var(--font-heading);
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--text-main);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.device-disconnected {
    text-align: center;
    padding: 0;
}

.device-prompt {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0 auto 16px;
    max-width: 420px;
}

.device-connected .info-grid {
    margin-bottom: 20px;
}

.device-led {
    margin-bottom: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border-panel);
}

.device-led[hidden] {
    display: none;
}

.device-led-heading {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    list-style-position: inside;
}

/* Space the controls from the summary only when expanded. */
.device-led[open] .device-led-heading {
    margin-bottom: 10px;
}

.device-led-rows {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.device-led-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.device-led-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.device-led-brightness {
    width: 100%;
    accent-color: var(--primary);
}

.device-led-swatch {
    flex-shrink: 0;
    width: 40px;
    height: 26px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 6px;
    background: none;
    cursor: pointer;
}

.device-led-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.device-led-reset {
    padding: 6px 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    cursor: pointer;
}

.device-led-reset:hover {
    color: var(--text-main);
}

.device-led-reset:disabled {
    opacity: 0.5;
    cursor: default;
}

.device-serial-note {
    margin: 0 0 16px;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(56, 189, 248, 0.10);
    border: 1px solid rgba(56, 189, 248, 0.30);
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--text-muted);
}

.device-serial-note[hidden] {
    display: none;
}

.device-serial-note code {
    color: var(--text-main);
}

.device-landing {
    margin-bottom: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border-panel);
}

.device-landing[hidden] {
    display: none;
}

.device-landing-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.4;
    cursor: pointer;
}

.device-landing-row input {
    margin-top: 2px;
    flex-shrink: 0;
}

.device-landing-hint {
    margin: 6px 0 0 26px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.device-update {
    margin-bottom: 14px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.12);
    border: 1px solid rgba(168, 85, 247, 0.35);
}

.device-update[hidden] {
    display: none;
}

/* Up-to-date state: calmer green accent instead of the purple "action" accent. */
.device-update--current {
    background: rgba(34, 197, 94, 0.10);
    border-color: rgba(34, 197, 94, 0.30);
}

.device-update--current .device-update-version {
    color: #86efac;
}

#device-update-icon[hidden] {
    display: none;
}

.device-update-text {
    margin: 0 0 10px;
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.45;
}

.device-update-heading {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.device-update-icon {
    flex-shrink: 0;
    color: #fbbf24;
}

.device-update-version {
    font-family: var(--font-heading);
    font-weight: 600;
    color: #c4b5fd;
}

.device-update-link {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #e9d5ff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.device-update-link:hover {
    color: #fff;
}

.device-update-steps {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.device-update-steps li + li {
    margin-top: 6px;
}

.device-update-steps strong {
    color: var(--text-main);
    font-weight: 600;
}

.device-update-version-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.device-update-version-row[hidden] {
    display: none;
}

.device-update-version-select {
    flex: 1;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    font: inherit;
}

/* The popup <option> list renders on the OS, not the translucent panel — give
   it an opaque dark background so the light option text stays readable. */
.device-update-version-select option {
    background-color: var(--bg-dark);
    color: var(--text-main);
}

#device-update-flash,
#device-update-select {
    width: 100%;
    margin-bottom: 10px;
}

#device-update-flash[hidden],
#device-update-select[hidden] {
    display: none;
}

.device-update-status {
    margin: 0 0 10px;
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-main);
}

.device-update-status[hidden] {
    display: none;
}

.device-update-status--error {
    color: #fca5a5;
}

.device-update-status--ok {
    color: #86efac;
}

.device-update-progress {
    height: 6px;
    margin-bottom: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.device-update-progress[hidden] {
    display: none;
}

.device-update-progress-fill {
    width: 40%;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #a855f7, #c4b5fd);
}

.device-update-progress--active .device-update-progress-fill {
    animation: device-update-indeterminate 1.1s ease-in-out infinite;
}

@keyframes device-update-indeterminate {
    0%   { margin-left: -40%; }
    100% { margin-left: 100%; }
}

.device-update-fallback {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.device-update-fallback[hidden] {
    display: none;
}

.device-update-fallback summary {
    cursor: pointer;
    margin-bottom: 10px;
    color: #e9d5ff;
}

.device-connected .btn-secondary {
    width: 100%;
}

.info-grid {
    display: grid;
    gap: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-panel);
}

.info-row:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.info-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.info-value-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    min-width: 0;
}

.info-value {
    font-family: var(--font-heading);
    font-weight: 500;
    text-align: right;
    word-break: break-all;
}

.info-value--copyable {
    padding: 0;
    border: none;
    background: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-align: right;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.info-value--copyable:hover {
    color: #c4b5fd;
}

.info-value--copyable:focus-visible {
    outline: 2px solid rgba(168, 85, 247, 0.6);
    outline-offset: 2px;
}

.info-copied {
    font-size: 0.75rem;
    font-weight: 500;
    color: #4ade80;
    letter-spacing: 0.02em;
}

.info-copied[hidden] {
    display: none;
}

.status-connected {
    color: #4ade80;
}

.status-disconnected {
    color: var(--text-muted);
}

.redirect-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(10, 10, 12, 0.75);
    backdrop-filter: blur(8px);
}

.redirect-overlay[hidden] {
    display: none;
}

.redirect-panel {
    max-width: 400px;
    width: 100%;
    padding: 32px 28px;
    text-align: center;
}

.redirect-panel .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin: 0 auto 20px;
}

.redirect-message {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.redirect-game-name {
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 600;
}

.redirect-seconds {
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.redirect-cancel {
    padding: 10px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-panel);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.redirect-cancel:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.browser-info {
    margin-top: 0;
    padding-bottom: 12px;
    text-align: center;
}

.browser-info-line {
    margin: 0;
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.01em;
}

.browser-info-sep {
    color: rgba(255, 255, 255, 0.2);
    user-select: none;
}

.browser-webusb--ok {
    color: #4ade80;
    font-weight: 500;
}

.browser-webusb--no {
    color: #f87171;
    font-weight: 500;
}

.browser-name {
    color: var(--text-main);
    font-weight: 500;
}

.site-footer {
    margin: 0;
    padding: 16px 0 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(280px, 60%);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: #c4b5fd;
    font-weight: 500;
    transition: color 0.2s;
}

.site-footer a:hover {
    color: #fff;
}

@media (max-width: 720px) {
    .game-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .game-grid {
        grid-template-columns: 1fr;
    }
}