:root {
    --bg-base: #080b13;
    --bg-panel: rgba(15, 20, 34, 0.78);
    --bg-panel-strong: rgba(11, 14, 23, 0.86);
    --bg-chip: rgba(8, 11, 19, 0.78);
    --bg-soft: rgba(255, 255, 255, 0.05);
    --line-soft: rgba(140, 201, 255, 0.16);
    --line-strong: rgba(140, 201, 255, 0.38);
    --cyan: #8be9ff;
    --mint: #93ffc8;
    --amber: #ffb870;
    --danger: #ff6f91;
    --text-main: #edf6ff;
    --text-muted: rgba(237, 246, 255, 0.72);
    --glow-a: rgba(92, 196, 255, 0.42);
    --glow-b: rgba(255, 164, 90, 0.28);
    --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.45);
    --page-max: 540px;
    --playfield-max: 420px;
    --safe-top: max(16px, env(safe-area-inset-top));
    --safe-bottom: max(16px, env(safe-area-inset-bottom));
    --safe-left: max(16px, env(safe-area-inset-left));
    --safe-right: max(16px, env(safe-area-inset-right));
}

body[data-theme="solar"] {
    --cyan: #ffd36b;
    --mint: #ff8f5d;
    --amber: #fff1a6;
    --glow-a: rgba(255, 164, 90, 0.34);
    --glow-b: rgba(255, 211, 107, 0.28);
}

body[data-theme="frost"] {
    --cyan: #8bf7ff;
    --mint: #d2f3ff;
    --amber: #8ac4ff;
    --glow-a: rgba(140, 214, 255, 0.36);
    --glow-b: rgba(210, 243, 255, 0.24);
}

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

html,
body {
    min-height: 100%;
}

body {
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    background:
        radial-gradient(circle at top, rgba(73, 160, 255, 0.2), transparent 35%),
        radial-gradient(circle at 80% 20%, rgba(147, 255, 200, 0.14), transparent 24%),
        linear-gradient(180deg, #121826 0%, #07090f 62%, #05070b 100%);
    color: var(--text-main);
    font-family: "Manrope", sans-serif;
}

button,
input {
    font: inherit;
}

.page-glow {
    position: fixed;
    border-radius: 999px;
    filter: blur(90px);
    opacity: 0.32;
    pointer-events: none;
    z-index: 0;
}

.page-glow-a {
    width: 320px;
    height: 320px;
    top: -80px;
    right: -90px;
    background: var(--glow-a);
}

.page-glow-b {
    width: 280px;
    height: 280px;
    bottom: -80px;
    left: -110px;
    background: var(--glow-b);
}

#app-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
}

.screen {
    width: 100%;
    min-height: calc(100vh - var(--safe-top) - var(--safe-bottom));
}

.hidden {
    display: none !important;
}

.active {
    display: grid;
}

.screen-panel {
    display: grid;
    align-content: start;
    gap: 16px;
    width: 100%;
    max-width: var(--page-max);
    margin: 0 auto;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid var(--line-soft);
    border-radius: 28px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 30%),
        var(--bg-panel);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
}

#screen-lobby {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at 18% 16%, color-mix(in srgb, var(--cyan) 26%, transparent), transparent 26%),
        radial-gradient(circle at 82% 20%, color-mix(in srgb, var(--amber) 22%, transparent), transparent 24%),
        radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--mint) 18%, transparent), transparent 32%),
        linear-gradient(180deg, rgba(16, 22, 38, 0.96), rgba(8, 11, 19, 0.88));
}

#screen-gameover {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

#screen-lobby::before,
#screen-lobby::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    filter: blur(60px);
    opacity: 0.55;
    z-index: -1;
    pointer-events: none;
}

#screen-lobby::before {
    width: 220px;
    height: 220px;
    top: -44px;
    right: -58px;
    background: color-mix(in srgb, var(--cyan) 26%, transparent);
}

#screen-lobby::after {
    width: 200px;
    height: 200px;
    bottom: -34px;
    left: -42px;
    background: color-mix(in srgb, var(--amber) 24%, transparent);
}

.screen-game {
    display: grid;
    place-items: center;
}

.hero-meta,
.panel-hero,
.waiting-heading,
.modifier-copy,
.section-stack {
    display: grid;
    gap: 10px;
}

.hero-meta {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
}

.eyebrow,
.section-label,
.hud-label,
.version-pill {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.eyebrow {
    color: var(--mint);
}

.version-pill,
.summary-pill {
    padding: 8px 12px;
    border-radius: 999px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

h1,
h2 {
    font-family: "Orbitron", sans-serif;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.5rem, 10vw, 4.6rem);
    line-height: 0.95;
}

h2 {
    font-size: clamp(2rem, 8vw, 3.4rem);
    line-height: 1;
}

.lede,
.support-copy,
.modifier-copy p,
.summary-stat span,
.roster-meta {
    color: var(--text-muted);
    line-height: 1.5;
}

.lede {
    max-width: 28rem;
    font-size: clamp(0.98rem, 2.9vw, 1.1rem);
}

.lobby-stack {
    position: relative;
    z-index: 2;
    display: grid;
    gap: 18px;
}

.lobby-ambient {
    position: absolute;
    inset: -12% -24%;
    z-index: 0;
    pointer-events: none;
}

.ambient-snake {
    position: absolute;
    width: 135%;
    max-width: none;
    opacity: 0.92;
    filter: drop-shadow(0 0 20px rgba(139, 233, 255, 0.14));
}

.ambient-snake-a {
    top: -4%;
    right: -34%;
    animation: lobby-snake-drift-a 20s ease-in-out infinite alternate;
}

.ambient-snake-b {
    bottom: -18%;
    left: -34%;
    animation: lobby-snake-drift-b 24s ease-in-out infinite alternate;
}

.ambient-snake-glow {
    fill: none;
    stroke: rgba(139, 233, 255, 0.08);
    stroke-width: 38;
    stroke-linecap: round;
}

.ambient-snake-core {
    fill: none;
    stroke-width: 18;
    stroke-linecap: round;
}

.ambient-snake-dash {
    fill: none;
    stroke: rgba(247, 251, 255, 0.88);
    stroke-width: 4.5;
    stroke-linecap: round;
    stroke-dasharray: 2 16;
    animation: lobby-snake-pulse 8s linear infinite;
}

.ambient-snake-head {
    fill: #f7fbff;
    filter: drop-shadow(0 0 18px rgba(147, 255, 200, 0.44));
}

.ambient-snake-eye {
    fill: #09111d;
}

.panel-hero-lobby {
    gap: 10px;
}

.brand-lockup {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 16px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 84px;
    height: 84px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(14px);
}

.brand-mark-svg {
    width: 66px;
    height: 66px;
}

.brand-copy,
.theme-picker,
.summary-meta,
.hud-top-left,
.hud-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.settings-surface,
.join-surface,
.modifier-panel,
.roster-block,
.match-summary {
    display: grid;
    gap: 14px;
    padding: 18px;
    border-radius: 22px;
    background: var(--bg-panel-strong);
    border: 1px solid rgba(255, 255, 255, 0.07);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.theme-picker {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.room-code-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.room-code-bar h2 {
    margin: 0;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
}

.settings-group {
    display: grid;
    align-content: start;
    gap: 7px;
}

.settings-group-controls {
    grid-column: 1 / -1;
}

.segment-control {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.segment-btn {
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    color: var(--text-muted);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    font-size: 0.88rem;
}

.segment-btn.is-active {
    color: #071018;
    border-color: transparent;
    background: linear-gradient(135deg, var(--cyan), var(--mint));
    box-shadow: 0 12px 24px color-mix(in srgb, var(--cyan) 20%, transparent);
}

.settings-toggle {
    display: inline-grid;
    place-items: center;
    width: 46px;
    min-width: 46px;
    min-height: 46px;
    padding: 0;
    border-radius: 15px;
    background: linear-gradient(135deg, rgba(255, 184, 112, 0.95), rgba(139, 233, 255, 0.92));
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        0 12px 24px rgba(255, 184, 112, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.settings-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 2px 0;
    border-radius: 999px;
    background: #08111a;
}

.settings-toggle[aria-expanded="true"] {
    transform: translateY(-1px) scale(1.02);
    box-shadow:
        0 14px 28px rgba(139, 233, 255, 0.22),
        0 12px 26px rgba(255, 184, 112, 0.18);
}

.theme-swatch {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 14px;
    border-radius: 16px;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.theme-swatch.is-active {
    border-color: color-mix(in srgb, var(--cyan) 36%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cyan) 24%, transparent);
}

.icon-action {
    min-height: 44px;
    min-width: 44px;
    padding: 0;
    display: inline-grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.icon-action svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    color: var(--text-main);
}

.icon-action.is-active {
    border-color: color-mix(in srgb, var(--cyan) 38%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cyan) 18%, transparent);
}

.swatch-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
}

.swatch-dot-neon {
    background: linear-gradient(135deg, #8be9ff, #93ffc8);
}

.swatch-dot-solar {
    background: linear-gradient(135deg, #ffd36b, #ff8f5d);
}

.swatch-dot-frost {
    background: linear-gradient(135deg, #8bf7ff, #d2f3ff);
}

.field {
    display: grid;
    gap: 8px;
}

.join-surface {
    gap: 12px;
}

.join-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.settings-surface {
    gap: 12px;
}

.join-surface .support-copy {
    min-height: 0;
    font-size: 0.88rem;
}

.field span {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

input {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid rgba(139, 233, 255, 0.18);
    border-radius: 16px;
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
    transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

input::placeholder {
    color: rgba(237, 246, 255, 0.45);
}

input:focus {
    outline: none;
    border-color: var(--cyan);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

button {
    border: none;
    border-radius: 999px;
    min-height: 52px;
    padding: 0 22px;
    cursor: pointer;
    transition: transform 0.18s ease, opacity 0.18s ease, box-shadow 0.18s ease;
}

button:hover {
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
    box-shadow: none;
}

.primary-action {
    color: #0a0d15;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyan), var(--mint));
    box-shadow: 0 18px 36px color-mix(in srgb, var(--cyan) 24%, transparent);
}

.secondary-action {
    color: var(--text-main);
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.support-copy,
.error-msg {
    min-height: 1.2em;
    font-size: 0.92rem;
}

.error-msg {
    color: var(--danger);
}

.modifier-panel {
    gap: 16px;
}

.modifier-copy strong {
    font-size: 1.08rem;
}

.waiting-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.roster-list {
    list-style: none;
    display: grid;
    gap: 10px;
}

.roster-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.roster-main {
    display: grid;
    gap: 4px;
}

.roster-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.roster-tag {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.roster-tag.is-ready {
    color: #071018;
    background: linear-gradient(135deg, var(--mint), var(--cyan));
    border-color: transparent;
}

.roster-tag.is-offline {
    color: #ff9cb1;
    background: rgba(255, 111, 145, 0.14);
    border-color: rgba(255, 111, 145, 0.18);
}

.roster-tag.is-spectator {
    color: #ffd09a;
    background: rgba(255, 184, 112, 0.14);
    border-color: rgba(255, 184, 112, 0.18);
}

#waiting-meta {
    min-height: 1.4em;
}

.roster-item strong {
    font-size: 1rem;
}

.roster-item.is-me {
    border-color: color-mix(in srgb, var(--cyan) 36%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cyan) 14%, transparent);
}

.playfield-shell {
    position: relative;
    width: min(100%, var(--playfield-max));
    aspect-ratio: 3 / 5;
    padding: 14px;
    border-radius: 34px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 16%),
        rgba(9, 12, 19, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
}

.playfield-chrome {
    position: absolute;
    left: 26px;
    right: 26px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, transparent, rgba(139, 233, 255, 0.85), transparent);
    opacity: 0.85;
    pointer-events: none;
}

.playfield-chrome-top {
    top: 10px;
}

.playfield-chrome-bottom {
    bottom: 10px;
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 26px;
    background: #04060b;
    touch-action: none;
    image-rendering: auto;
}

#screen-game-ui {
    position: fixed;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.hud-top,
.hud-center {
    position: absolute;
    left: var(--safe-left);
    right: var(--safe-right);
}

.hud-top {
    top: var(--safe-top);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.hud-top-left {
    align-items: flex-start;
}

.hud-center {
    top: calc(var(--safe-top) + 82px);
    display: grid;
    justify-items: center;
    gap: 10px;
}

.hud-bottom {
    position: absolute;
    left: 50%;
    bottom: var(--safe-bottom);
    transform: translateX(-50%);
    width: min(var(--playfield-max), calc(100vw - 24px));
    display: grid;
    gap: 10px;
    align-items: end;
}

.hud-chip,
.status-banner,
.turn-alert,
.fx-message {
    padding: 12px 14px;
    border-radius: 18px;
    background: var(--bg-chip);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(12px);
}

.hud-chip {
    min-width: 88px;
    display: grid;
    gap: 2px;
}

.hud-chip-primary {
    min-width: 0;
    max-width: min(56vw, 280px);
}

.hud-chip-compact {
    min-width: 0;
}

.hud-label {
    color: var(--text-muted);
}

.hud-chip strong {
    font-size: 1rem;
}

.status-banner,
.turn-alert {
    max-width: min(78vw, 360px);
    font-weight: 800;
    text-align: center;
}

.status-banner {
    color: var(--amber);
}

.turn-alert {
    color: var(--text-main);
    background: color-mix(in srgb, var(--cyan) 16%, rgba(8, 11, 19, 0.82));
}

.turn-alert.hidden,
.fx-overlay.hidden {
    display: none !important;
}

.turn-alert.is-active {
    animation: turn-alert-pop 2.2s ease both;
}

.fx-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 56%);
    pointer-events: none;
}

.fx-overlay.is-active {
    animation: relay-flash 0.9s ease both;
}

.fx-message {
    color: var(--text-main);
    font-weight: 800;
    text-align: center;
    background: color-mix(in srgb, var(--cyan) 18%, rgba(8, 11, 19, 0.82));
}

.hud-turn-panel {
    display: grid;
    gap: 8px;
}

.turn-preview {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.preview-card {
    padding: 10px 12px;
    border-radius: 16px;
    background: rgba(8, 11, 19, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.07);
    display: grid;
    gap: 2px;
}

.preview-card strong {
    font-size: 0.88rem;
}

.preview-card span {
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.preview-card.is-current {
    border-color: color-mix(in srgb, var(--amber) 42%, transparent);
    box-shadow: 0 10px 22px color-mix(in srgb, var(--amber) 18%, transparent);
}

.preview-card.is-next {
    border-color: color-mix(in srgb, var(--cyan) 34%, transparent);
}

.relay-track {
    display: grid;
    gap: 6px;
}

.relay-track.is-compact .relay-segment strong {
    font-size: 0.7rem;
}

.relay-track.is-compact .relay-segment span {
    font-size: 0.56rem;
}

.relay-segment {
    min-height: 44px;
    padding: 8px 6px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 11, 19, 0.74);
    display: grid;
    place-items: center;
    gap: 2px;
    text-align: center;
}

.relay-segment strong {
    font-size: 0.76rem;
}

.relay-segment span {
    color: var(--text-muted);
    font-size: 0.62rem;
    font-weight: 700;
}

.relay-segment.is-me {
    border-color: color-mix(in srgb, var(--cyan) 40%, transparent);
}

.relay-segment.is-current {
    border-color: color-mix(in srgb, var(--amber) 48%, transparent);
    box-shadow: 0 8px 18px color-mix(in srgb, var(--amber) 18%, transparent);
}

.relay-segment.is-next {
    border-color: color-mix(in srgb, var(--mint) 42%, transparent);
}

.relay-segment.is-out {
    opacity: 0.42;
}

.touch-controls {
    display: none !important;
}

body[data-control-layout="swipe"] .touch-controls {
    display: none;
}

body[data-control-layout="left"] .touch-controls {
    justify-content: start;
}

.touch-btn {
    display: grid;
    place-items: center;
    color: var(--text-main);
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    user-select: none;
}

.touch-btn:active,
.touch-btn.is-pressed {
    transform: scale(0.97);
    background: linear-gradient(180deg, color-mix(in srgb, var(--cyan) 28%, transparent), color-mix(in srgb, var(--mint) 12%, transparent));
}

.touch-up {
    grid-column: 2;
    grid-row: 1;
}

.touch-left {
    grid-column: 1;
    grid-row: 2;
}

.touch-right {
    grid-column: 3;
    grid-row: 2;
}

.touch-down {
    grid-column: 2;
    grid-row: 2;
}

.summary-meta {
    align-items: center;
}

.winner-spotlight,
.summary-highlights {
    position: relative;
    z-index: 1;
}

.celebration-burst {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.burst-piece {
    position: absolute;
    width: 12px;
    height: 30px;
    border-radius: 999px;
    opacity: 0.8;
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.18));
    animation: burst-fall 4.8s ease-in-out infinite;
}

.burst-a { top: 10%; left: 12%; background: linear-gradient(180deg, var(--amber), transparent); animation-delay: 0s; }
.burst-b { top: 4%; left: 32%; background: linear-gradient(180deg, var(--cyan), transparent); animation-delay: 0.6s; }
.burst-c { top: 8%; left: 52%; background: linear-gradient(180deg, var(--mint), transparent); animation-delay: 1.2s; }
.burst-d { top: 6%; left: 70%; background: linear-gradient(180deg, #ff8ccf, transparent); animation-delay: 1.8s; }
.burst-e { top: 12%; left: 84%; background: linear-gradient(180deg, var(--amber), transparent); animation-delay: 2.4s; }
.burst-f { top: 2%; left: 92%; background: linear-gradient(180deg, var(--cyan), transparent); animation-delay: 3s; }

.winner-spotlight {
    display: grid;
    gap: 12px;
    padding: 20px;
    border-radius: 24px;
    background:
        radial-gradient(circle at top, color-mix(in srgb, var(--amber) 18%, transparent), transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid color-mix(in srgb, var(--amber) 22%, rgba(255, 255, 255, 0.06));
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.22);
    overflow: hidden;
}

.winner-spotlight.is-empty {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
    border-color: rgba(255, 255, 255, 0.08);
}

.winner-ribbon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(8, 11, 19, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.09);
    color: var(--amber);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.winner-ribbon-mark {
    font-size: 1rem;
}

.winner-mainline {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 16px;
}

.winner-copy {
    display: grid;
    gap: 6px;
}

.winner-name {
    margin: 0;
    font-size: clamp(2.1rem, 7vw, 3.2rem);
    line-height: 0.9;
    text-wrap: balance;
}

.winner-subline {
    margin: 0;
    color: var(--text-muted);
}

.winner-score-chip {
    min-width: 118px;
    padding: 16px 18px;
    border-radius: 22px;
    background: rgba(8, 11, 19, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    gap: 3px;
    text-align: right;
    min-height: 0;
    align-content: center;
}

.winner-score-chip span,
.winner-badge-chip span,
.highlight-card span {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.winner-score-chip strong {
    font-size: 2rem;
    line-height: 0.95;
}

.winner-mini-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.winner-mini-stat {
    padding: 12px 10px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: grid;
    gap: 4px;
}

.winner-mini-stat span {
    color: var(--text-muted);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.winner-mini-stat strong {
    font-size: 1.05rem;
}

.winner-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.winner-badge-chip,
.summary-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(8, 11, 19, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.07);
    color: var(--text-main);
}

.winner-badge-chip {
    padding: 10px 14px;
}

.winner-badge-chip strong,
.summary-badge strong {
    font-size: 0.86rem;
}

.summary-highlights {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 1fr);
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
}

.summary-highlights::-webkit-scrollbar {
    display: none;
}

.highlight-card {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.07);
    display: grid;
    gap: 4px;
    min-height: 88px;
    align-content: center;
}

.highlight-label {
    min-width: 0;
}

.highlight-value {
    font-size: 1rem;
}

.highlight-detail {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.88rem;
    text-align: left;
}

.match-summary {
    max-height: 260px;
    overflow: auto;
}

.summary-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: start;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.summary-row.is-winner {
    border-color: color-mix(in srgb, var(--amber) 44%, transparent);
}

.summary-name {
    display: grid;
    gap: 4px;
}

.summary-name-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.summary-name strong {
    font-size: 0.98rem;
    line-height: 1.1;
    overflow-wrap: anywhere;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 78px));
    gap: 8px;
    justify-content: end;
}

.summary-stat {
    display: grid;
    gap: 2px;
    min-width: 0;
    text-align: right;
    padding: 8px 10px;
    border-radius: 14px;
    background: rgba(8, 11, 19, 0.56);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-stat strong {
    font-size: 0.95rem;
}

@keyframes burst-fall {
    0% {
        transform: translate3d(0, -30px, 0) rotate(0deg);
        opacity: 0;
    }
    12% {
        opacity: 0.9;
    }
    100% {
        transform: translate3d(-20px, 220px, 0) rotate(220deg);
        opacity: 0;
    }
}

@media (pointer: fine) and (min-width: 960px) {
    #app-shell {
        display: grid;
        place-items: center;
    }

    .screen-panel {
        min-height: auto;
    }

    .screen-game {
        min-height: calc(100vh - var(--safe-top) - var(--safe-bottom));
    }

    .playfield-shell {
        width: min(var(--playfield-max), 38vw);
    }

    .touch-controls {
        opacity: 0.34;
    }
}

@media (max-width: 720px) {
    .winner-mainline {
        grid-template-columns: 1fr;
    }

    .winner-mini-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .summary-row {
        grid-template-columns: 1fr;
    }

    .summary-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        justify-content: stretch;
    }

    .summary-stat {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .summary-name-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .summary-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .hud-top,
    .hud-center {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        width: min(var(--playfield-max), calc(100vw - 22px));
    }

    .hud-top {
        top: max(8px, env(safe-area-inset-top));
        gap: 8px;
    }

    .hud-top-left,
    .hud-cluster {
        gap: 8px;
    }

    .hud-chip,
    .status-banner,
    .turn-alert,
    .fx-message {
        padding: 10px 12px;
        border-radius: 16px;
    }

    .hud-chip {
        min-width: 74px;
    }

    .hud-chip strong {
        font-size: 0.92rem;
    }

    .hud-center {
        top: calc(max(8px, env(safe-area-inset-top)) + 64px);
        width: min(calc(var(--playfield-max) - 24px), calc(100vw - 46px));
        gap: 8px;
    }

    .status-banner,
    .turn-alert {
        max-width: 100%;
        font-size: 0.92rem;
    }

    .hud-bottom {
        width: min(var(--playfield-max), calc(100vw - 18px));
        bottom: max(8px, env(safe-area-inset-bottom));
        gap: 6px;
    }

    .turn-preview {
        display: none;
    }

    .relay-track {
        gap: 4px;
    }

    .relay-segment {
        min-height: 38px;
        padding: 6px 4px;
        border-radius: 12px;
    }

    .relay-segment strong {
        font-size: 0.68rem;
    }

    .relay-segment span {
        font-size: 0.56rem;
    }

    .settings-group-controls {
        display: none;
    }

    #app-shell {
        padding-top: max(10px, env(safe-area-inset-top));
        padding-bottom: max(10px, env(safe-area-inset-bottom));
    }

    .screen-panel {
        gap: 12px;
        padding: 16px;
        border-radius: 22px;
    }

    .panel-hero-lobby {
        gap: 8px;
    }

    .settings-surface {
        padding: 14px;
    }

    .settings-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .settings-group {
        grid-template-columns: minmax(72px, auto) 1fr;
        align-items: center;
        gap: 10px 12px;
    }

    .settings-group-controls {
        grid-column: auto;
        align-items: start;
    }

    .settings-group .section-label {
        font-size: 0.68rem;
    }

    .settings-group .segment-control {
        justify-content: flex-start;
    }

    .segment-btn {
        min-height: 34px;
        padding: 0 12px;
        font-size: 0.82rem;
    }

    .join-surface {
        padding: 16px;
    }

    .join-surface .support-copy {
        display: none;
    }

    .brand-lockup {
        grid-template-columns: auto 1fr;
        align-items: center;
        gap: 12px;
    }

    .brand-mark {
        width: 62px;
        height: 62px;
    }

    .brand-mark-svg {
        width: 48px;
        height: 48px;
    }

    .brand-copy h1 {
        font-size: clamp(2.3rem, 12vw, 3.4rem);
        line-height: 0.9;
    }

    .settings-toggle {
        width: 40px;
        min-width: 40px;
        min-height: 40px;
        border-radius: 14px;
    }

    .hero-meta {
        gap: 10px;
    }

    .ambient-snake {
        width: 170%;
    }

    .theme-picker {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }

    .theme-swatch {
        min-height: 44px;
        padding: 0 8px;
        gap: 8px;
        font-size: 0.9rem;
    }

    .join-actions {
        grid-template-columns: 1fr;
    }

    .room-code-bar {
        gap: 10px;
    }

    .waiting-actions {
        grid-template-columns: 1fr;
    }

    .hud-top {
        gap: 8px;
    }

    .hud-chip-primary {
        max-width: 48vw;
    }
}

@media (max-height: 760px) {
    .screen-panel {
        gap: 16px;
        padding: 20px;
    }

    .hud-bottom {
        gap: 8px;
    }

    .touch-controls {
        grid-template-columns: repeat(3, minmax(58px, 72px));
        grid-template-rows: repeat(2, minmax(58px, 72px));
    }
}

@keyframes lobby-snake-drift-a {
    0% {
        transform: translate3d(0, -10px, 0) rotate(-3deg);
    }
    100% {
        transform: translate3d(-24px, 20px, 0) rotate(2deg);
    }
}

@keyframes lobby-snake-drift-b {
    0% {
        transform: translate3d(0, 12px, 0) rotate(2deg);
    }
    100% {
        transform: translate3d(28px, -16px, 0) rotate(-2deg);
    }
}

@keyframes lobby-snake-pulse {
    0% {
        stroke-dashoffset: 0;
        opacity: 0.48;
    }
    50% {
        opacity: 0.92;
    }
    100% {
        stroke-dashoffset: -72;
        opacity: 0.48;
    }
}

@keyframes turn-alert-pop {
    0% {
        opacity: 0;
        transform: translateY(8px) scale(0.96);
    }
    18%,
    82% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-6px) scale(0.98);
    }
}

@keyframes relay-flash {
    0% {
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
}