* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Arial', sans-serif;
    overflow: hidden;
    background: linear-gradient(180deg, #87CEEB 0%, #E0F6FF 100%);
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#gameCanvas {
    display: block;
    background: linear-gradient(180deg, #3E7CC4 0%, #CDEBFF 100%);
    /* Sized in JS to fill the viewport exactly - no letterboxing. */
}

/* Shown in portrait, where the playable slice of the level is narrow */
.rotate-hint {
    position: fixed;
    left: 50%;
    bottom: 21%;
    transform: translateX(-50%);
    z-index: 60;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(12, 18, 38, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 13px;
    font-weight: bold;
    white-space: nowrap;
    pointer-events: none;
    animation: hint-pulse 2.4s ease-in-out infinite;
}

.rotate-hint.hidden {
    display: none;
}

@keyframes hint-pulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.9; }
}

#touch-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 20px;
    pointer-events: none;
    z-index: 100;
}

.controls-left,
.controls-right {
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

.control-btn {
    width: 90px;
    height: 90px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 14px;
    touch-action: manipulation;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.control-btn:active,
.control-btn.pressed {
    transform: scale(0.94);
    background: rgba(255, 255, 255, 0.32);
    border-color: rgba(255, 255, 255, 0.65);
}

.direction-btn svg {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.action-btn {
    background: rgba(255, 107, 107, 0.25);
    border: 3px solid rgba(255, 107, 107, 0.5);
    color: white;
    width: 100px;
    height: 100px;
}

.action-btn:active,
.action-btn.pressed {
    background: rgba(255, 107, 107, 0.45);
    border-color: rgba(255, 107, 107, 0.8);
}

.run-btn {
    background: rgba(255, 200, 80, 0.22);
    border: 3px solid rgba(255, 200, 80, 0.5);
    width: 76px;
    height: 76px;
    align-self: flex-end;
    font-size: 13px;
}

.run-btn:active,
.run-btn.pressed {
    background: rgba(255, 200, 80, 0.45);
    border-color: rgba(255, 200, 80, 0.85);
}

.controls-right {
    align-items: flex-end;
}

#game-ui {
    position: fixed;
    top: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    z-index: 50;
    font-size: 17px;
    font-weight: bold;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    pointer-events: none;
}

.hud-group {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.hud-item {
    display: flex;
    align-items: baseline;
    gap: 7px;
    background: rgba(12, 18, 38, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 7px 14px;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    font-variant-numeric: tabular-nums;
    line-height: 1;
    flex-shrink: 0;
}

.hud-item.hidden {
    display: none;
}

.hud-label {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.65;
    font-weight: 700;
}

.hud-icon {
    font-size: 15px;
    line-height: 1;
}

.coins .hud-icon { color: #FFD700; }
.lives .hud-icon { color: #FF6B6B; }

.combo {
    background: rgba(255, 180, 0, 0.28);
    border-color: rgba(255, 215, 0, 0.6);
    color: #FFE79A;
    animation: combo-pop 0.4s ease-out;
}

@keyframes combo-pop {
    from { transform: scale(1.35); }
    to { transform: scale(1); }
}

.time.urgent {
    background: rgba(200, 30, 30, 0.6);
    border-color: rgba(255, 120, 120, 0.7);
    animation: time-flash 1s steps(2, end) infinite;
}

@keyframes time-flash {
    50% { opacity: 0.55; }
}

.icon-btn {
    pointer-events: auto;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(12, 18, 38, 0.55);
    backdrop-filter: blur(8px);
    color: white;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.12s ease, background 0.12s ease;
}

.icon-btn:active {
    transform: scale(0.92);
    background: rgba(60, 90, 150, 0.6);
}

/* Centre-screen announcement (level start, level clear, hurry up) */
.banner {
    position: fixed;
    top: 22%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 90;
    padding: 14px 34px;
    border-radius: 18px;
    /* The scene behind can be clouds, sky or brick, so the banner carries its
       own backdrop rather than relying on a text shadow to stay legible. */
    background: rgba(8, 14, 30, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    text-align: center;
    color: white;
    pointer-events: none;
    animation: banner-in 0.35s cubic-bezier(0.2, 1.4, 0.4, 1);
}

.banner.hidden {
    display: none;
}

.banner-title {
    font-size: 44px;
    font-weight: 900;
    letter-spacing: 0.02em;
    text-shadow: 0 4px 0 rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.5);
    background: linear-gradient(180deg, #FFF6C2 0%, #FFC93D 60%, #F08000 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.banner-subtitle {
    margin-top: 6px;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

@keyframes banner-in {
    from { transform: translate(-50%, -50%) scale(0.7); opacity: 0; }
    to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

/* Start-screen key hints */
.controls-help {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
    margin-top: 24px;
    max-width: 420px;
    font-size: 13px;
    opacity: 0.8;
}

.controls-help b {
    color: #FFD700;
}

/* Game-over result readout */
.result-grid {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.result-grid > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 92px;
    padding: 14px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 26px;
    font-weight: bold;
}

.result-label {
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.65;
}

/* The HUD and touch pad belong to the game, not to the menus on top of it */
body.menu-open #game-ui,
body.menu-open #touch-controls,
body.menu-open #leaderboard,
body.menu-open .banner,
body.menu-open .rotate-hint {
    display: none;
}

.screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 50% 12%, rgba(94, 160, 226, 0.45), transparent 62%),
        linear-gradient(180deg, rgba(9, 16, 34, 0.94) 0%, rgba(5, 9, 20, 0.97) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    overflow-y: auto;
    z-index: 200;
    color: white;
    animation: screen-in 0.25s ease-out;
}

@keyframes screen-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.screen.hidden {
    display: none;
}

.screen h1 {
    font-size: 56px;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
    background: linear-gradient(180deg, #FFF3B0 0%, #FFC93D 45%, #F26D3D 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 0 rgba(0, 0, 0, 0.35)) drop-shadow(0 12px 28px rgba(255, 150, 40, 0.28));
}

.tagline {
    font-size: 16px !important;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 26px !important;
}

.screen p {
    font-size: 24px;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.menu-btn {
    padding: 15px 44px;
    margin: 6px 0;
    font-size: 20px;
    border: none;
    border-radius: 30px;
    background: linear-gradient(180deg, #6BD98A 0%, #35B7A6 100%);
    color: white;
    font-weight: bold;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.28), 0 12px 26px rgba(0, 0, 0, 0.35);
    transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.menu-btn:hover {
    filter: brightness(1.06);
}

.menu-btn:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.28), 0 6px 14px rgba(0, 0, 0, 0.35);
}

.menu-btn:disabled {
    filter: grayscale(0.8);
    box-shadow: 0 6px 0 rgba(0, 0, 0, 0.2);
    cursor: not-allowed;
}

@media (min-width: 768px) {
    .screen h1 {
        font-size: 72px;
    }

    .screen p {
        font-size: 32px;
    }

    .menu-btn {
        font-size: 24px;
        padding: 20px 50px;
    }
}

@media (max-width: 480px) {
    .control-btn {
        width: 80px;
        height: 80px;
    }

    .action-btn {
        width: 90px;
        height: 90px;
    }

    .direction-btn svg {
        width: 36px;
        height: 36px;
    }

    #game-ui {
        font-size: 14px;
        top: 10px;
        left: 10px;
        right: 10px;
    }

    .hud-item {
        padding: 5px 10px;
        gap: 5px;
        border-radius: 10px;
    }

    .hud-label {
        font-size: 9px;
    }

    .icon-btn {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 15px;
    }

    .result-grid > div {
        min-width: 74px;
        font-size: 20px;
        padding: 10px 8px;
    }

    .controls-help {
        font-size: 11px;
        gap: 6px 12px;
        margin-top: 16px;
    }

    .run-btn {
        width: 66px;
        height: 66px;
        font-size: 11px;
    }
}

/* On short landscape screens the HUD and pad must not swallow the game */
@media (max-height: 480px) {
    #game-ui {
        top: 8px;
        font-size: 13px;
    }

    .hud-item {
        padding: 4px 9px;
    }

    .banner {
        top: 26%;
    }

    #touch-controls {
        padding: 10px 14px;
    }

    .control-btn {
        width: 62px;
        height: 62px;
        opacity: 0.75;
    }

    .action-btn {
        width: 68px;
        height: 68px;
        font-size: 12px;
    }

    .run-btn {
        width: 56px;
        height: 56px;
        font-size: 10px;
    }

    .controls-left,
    .controls-right {
        gap: 10px;
    }
}

/* Name Input */
.name-input {
    width: 300px;
    padding: 15px 25px;
    font-size: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    text-align: center;
    margin-bottom: 20px;
    outline: none;
    transition: all 0.3s ease;
}

.name-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.name-input:focus {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
}

@media (max-width: 480px) {
    .name-input {
        width: 250px;
        font-size: 16px;
        padding: 12px 20px;
    }
}

/* Leaderboard */
.leaderboard {
    position: fixed;
    top: 80px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    border-radius: 15px;
    min-width: 200px;
    max-height: 50vh;
    overflow-y: auto;
    z-index: 75;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.leaderboard.hidden {
    display: none;
}

.leaderboard::-webkit-scrollbar {
    width: 6px;
}

.leaderboard::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.leaderboard::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.5);
    border-radius: 3px;
}

.leaderboard::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.7);
}

.leaderboard h3 {
    color: #FFD700;
    font-size: 16px;
    margin-bottom: 10px;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

#leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.leaderboard-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease;
}

.leaderboard-entry.you {
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid rgba(255, 215, 0, 0.4);
}

.leaderboard-entry .rank {
    font-weight: bold;
    color: #FFD700;
    margin-right: 8px;
}

.leaderboard-entry .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.leaderboard-entry .score {
    font-weight: bold;
    color: #6bcf7f;
    margin-left: 10px;
}

/* Territory board: one row per player, with the share as a bar rather than a
   number to read. The bar is what makes a close round look close. */
.territory-entry {
    display: grid;
    grid-template-columns: 12px 1fr auto;
    grid-template-areas:
        "swatch name share"
        "bar    bar  bar";
    align-items: center;
    gap: 4px 8px;
    color: white;
    font-size: 14px;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.territory-entry.you {
    background: rgba(255, 215, 0, 0.18);
    border: 1px solid rgba(255, 215, 0, 0.4);
}

.territory-entry .swatch {
    grid-area: swatch;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.territory-entry .name {
    grid-area: name;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.territory-entry .share {
    grid-area: share;
    font-weight: bold;
    font-variant-numeric: tabular-nums;
}

.territory-entry .bar {
    grid-area: bar;
    display: block;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.territory-entry .bar .fill {
    display: block;
    height: 100%;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.3);
    transition: width 0.25s ease-out;
}

.territory-entry.unclaimed {
    opacity: 0.6;
}

/* The HUD chip naming the game, shown only on territory rounds. */
.hud-item.mode {
    background: rgba(80, 40, 140, 0.55);
    border-color: rgba(190, 150, 255, 0.6);
    color: #E6D6FF;
    font-weight: 700;
    letter-spacing: 0.04em;
}

@media (max-width: 768px) {
    .leaderboard {
        right: 5px;
        top: 10px;
        min-width: 140px;
        max-width: 160px;
        padding: 8px 10px;
        background: rgba(0, 0, 0, 0.4);
        max-height: 35vh;
        border-radius: 10px;
    }

    .leaderboard h3 {
        font-size: 11px;
        margin-bottom: 6px;
    }

    .leaderboard-entry {
        font-size: 10px;
        padding: 3px 6px;
        gap: 4px;
    }

    .leaderboard-entry .rank {
        margin-right: 4px;
        min-width: 15px;
    }

    .leaderboard-entry .score {
        margin-left: 6px;
    }
}

/* Out of Lives Screen */
.continue-hint {
    font-size: 18px;
    color: #FFD700;
    margin-top: 20px;
    margin-bottom: 10px;
}

.continue-btn {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    margin-bottom: 10px;
}

.continue-btn:disabled {
    background: #666;
    cursor: not-allowed;
    opacity: 0.5;
}

.secondary-btn {
    background: linear-gradient(135deg, #666 0%, #888 100%);
}

/* Explains why multiplayer is unavailable, or that a join fell back to solo. */
.mode-note {
    font-size: 15px !important;
    max-width: 22em;
    margin: 14px auto 0 !important;
    opacity: 0.75;
    line-height: 1.4;
}

.mode-note.hidden {
    display: none;
}

@media (max-width: 480px) {
    .continue-hint {
        font-size: 16px;
    }
}

/* All-Time Leaderboard */
.all-time-leaderboard.hidden {
    display: none;
}

.all-time-leaderboard {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    min-width: 300px;
    max-width: 400px;
    max-height: 60vh;
    display: flex;
    flex-direction: column;
}

.all-time-leaderboard h3 {
    color: #FFD700;
    font-size: 20px;
    margin-bottom: 15px;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    flex-shrink: 0;
}

#all-time-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 5px;
}

#all-time-list::-webkit-scrollbar {
    width: 8px;
}

#all-time-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

#all-time-list::-webkit-scrollbar-thumb {
    background: rgba(255, 215, 0, 0.5);
    border-radius: 4px;
}

#all-time-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 215, 0, 0.7);
}

.all-time-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    font-size: 16px;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
}

.all-time-entry .rank {
    font-weight: bold;
    color: #FFD700;
    margin-right: 10px;
    min-width: 30px;
}

.all-time-entry .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.all-time-entry .score {
    font-weight: bold;
    color: #6bcf7f;
    margin-left: 10px;
}

@media (max-width: 480px) {
    .all-time-leaderboard {
        min-width: 280px;
        padding: 15px 20px;
    }

    .all-time-leaderboard h3 {
        font-size: 18px;
    }

    .all-time-entry {
        font-size: 14px;
        padding: 6px 10px;
    }
}