/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* CRT Color Palette */
:root {
    --crt-green: #00ff41;
    --crt-green-dim: #4a7c4a;
    --crt-green-dark: #00cc33;
    --crt-amber: #ffb000;
    --crt-cyan: #00d9ff;
    --crt-red: #ff0040;
    --crt-bg: #0a0f0a;
    --crt-bg-light: #1a2a1a;
    --crt-gold: #ffd700;
}

body {
    background: radial-gradient(ellipse at center, #1a1a1a 0%, #0a0a0a 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Courier New', monospace;
    overflow-x: hidden;
    padding: 20px 0;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 30px;
    animation: flicker-text 0.15s infinite;
}

.page-title {
    font-size: 42px;
    font-weight: bold;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: var(--crt-red);
    text-shadow:
        0 0 10px var(--crt-red),
        0 0 20px var(--crt-red),
        0 0 40px rgba(255, 0, 64, 0.5),
        0 0 80px rgba(255, 0, 64, 0.2);
    margin: 0;
    padding: 0;
}

.page-subtitle {
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--crt-green-dim);
    margin-top: 10px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

@keyframes flicker-text {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.97; }
}

/* Game Container - The Monitor Bezel */
#game-container {
    position: relative;
    background: linear-gradient(145deg, #5a5a5a, #3a3a3a);
    padding: 30px;
    border-radius: 20px;
    box-shadow:
        0 0 0 4px #2a2a2a,
        0 0 0 8px #4a4a4a,
        0 0 30px rgba(0, 0, 0, 0.8),
        inset 0 2px 3px rgba(255, 255, 255, 0.1);
}

/* Bezel screws/details */
#game-container::before,
#game-container::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle at 30% 30%, #6a6a6a, #3a3a3a);
    border-radius: 50%;
    border: 2px solid #2a2a2a;
}

#game-container::before {
    top: 10px;
    left: 10px;
}

#game-container::after {
    top: 10px;
    right: 10px;
}

/* Screen wrapper */
#screen {
    position: relative;
    background: var(--crt-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow:
        inset 0 0 50px rgba(0, 0, 0, 0.5),
        inset 0 0 10px rgba(0, 255, 65, 0.1);
}

/* CRT Scanlines Overlay - Enhanced with RGB subpixel simulation */
#screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(
            0deg,
            transparent 0px,
            transparent 1px,
            rgba(0, 0, 0, 0.3) 1px,
            rgba(0, 0, 0, 0.3) 2px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0, 255, 65, 0.02) 0px,
            rgba(0, 255, 65, 0.02) 1px,
            transparent 1px,
            transparent 3px
        );
    pointer-events: none;
    z-index: 10;
}

/* CRT Vignette effect */
#screen::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        transparent 60%,
        rgba(0, 0, 0, 0.4) 100%
    );
    pointer-events: none;
    z-index: 11;
}

/* CRT Flicker Animation */
@keyframes flicker {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.98; }
    75% { opacity: 0.99; }
}

#screen {
    animation: flicker 0.15s infinite;
}

/* CRT Power-on Animation */
@keyframes crt-power-on {
    0% {
        filter: brightness(0) saturate(0);
        transform: scaleY(0.005);
    }
    15% {
        filter: brightness(3) saturate(0);
        transform: scaleY(0.005);
    }
    30% {
        filter: brightness(1.5) saturate(0.5);
        transform: scaleY(1);
    }
    50% {
        filter: brightness(1.2) saturate(0.8);
    }
    100% {
        filter: brightness(1) saturate(1);
        transform: scaleY(1);
    }
}

#screen.power-on {
    animation: crt-power-on 0.6s ease-out, flicker 0.15s infinite 0.6s;
}

/* CRT effects disabled state */
#screen.no-crt::before,
#screen.no-crt::after {
    display: none;
}

#screen.no-crt {
    animation: none;
}

/* Screen Flash Animation */
@keyframes flash-fade {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

/* Epstein Background Image */
#epstein-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.05;
    filter: grayscale(100%) contrast(1.2);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%) scale(1);
    transition: opacity 0.5s ease, transform 0.5s ease, filter 0.5s ease;
}

/* Game over zoom/rotation effect */
#epstein-bg.game-over-effect {
    opacity: 0.15;
    transform: translate(-50%, -50%) scale(1.05) rotate(1deg);
    filter: grayscale(50%) contrast(1.3) brightness(1.1);
    animation: creepy-pulse 3s ease-in-out infinite;
}

@keyframes creepy-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1.05) rotate(1deg);
        filter: grayscale(50%) contrast(1.3) brightness(1.1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08) rotate(0.5deg);
        filter: grayscale(40%) contrast(1.4) brightness(1.15);
    }
}

/* Game Canvas */
#game-canvas {
    display: block;
    position: relative;
    z-index: 2;
}

/* Screens */
.screen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 5;
    background: rgba(10, 15, 10, 0.95);

    /* Transition properties for smooth screen changes */
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
    transition:
        opacity 0.3s ease-out,
        visibility 0.3s ease-out,
        transform 0.3s ease-out;
}

/* Hidden state with smooth transitions */
.screen-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Specific transition effects per screen */
#menu-screen.hidden {
    transform: translateY(-15px);
}

#game-over-screen.hidden {
    transform: scale(1.03);
}

#settings-screen.hidden {
    transform: translateX(15px);
}

/* D-pad hidden state */
#dpad.hidden {
    display: none;
}

/* Menu Screen */
#menu-screen {
    gap: 20px;
}

.game-title {
    color: var(--crt-green);
    font-size: 28px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow:
        0 0 5px var(--crt-green),
        0 0 10px var(--crt-green),
        0 0 20px var(--crt-green),
        0 0 40px rgba(0, 255, 65, 0.4);
    margin-bottom: 10px;
    text-align: center;
}

.game-subtitle {
    color: var(--crt-green-dim);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    background: rgba(0, 15, 0, 0.8);
    color: var(--crt-green);
    border: 2px solid var(--crt-green);
    padding: 10px 20px;
    font-family: 'Courier New', monospace;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s ease;
    min-width: 240px;
    text-shadow: 0 0 5px var(--crt-green);
}

.btn:hover {
    background: var(--crt-green);
    color: var(--crt-bg);
    box-shadow: 0 0 20px var(--crt-green), 0 0 40px rgba(0, 255, 65, 0.3);
    text-shadow: none;
}

.btn:active {
    transform: scale(0.96);
}

.btn-secondary {
    border-color: var(--crt-green-dim);
    color: var(--crt-green-dim);
    text-shadow: none;
}

.btn-secondary:hover {
    background: var(--crt-green-dim);
    color: var(--crt-bg);
    box-shadow: 0 0 20px var(--crt-green-dim);
}

.btn-gold {
    border-color: var(--crt-gold);
    color: var(--crt-gold);
    text-shadow: 0 0 5px var(--crt-gold);
}

.btn-gold:hover {
    background: var(--crt-gold);
    color: var(--crt-bg);
    box-shadow: 0 0 20px var(--crt-gold), 0 0 40px rgba(255, 215, 0, 0.3);
    text-shadow: none;
}

.btn-red {
    border-color: var(--crt-red);
    color: var(--crt-red);
    text-shadow: 0 0 5px var(--crt-red);
}

.btn-red:hover {
    background: var(--crt-red);
    color: var(--crt-bg);
    box-shadow: 0 0 20px var(--crt-red), 0 0 40px rgba(255, 0, 64, 0.3);
    text-shadow: none;
}

/* Game Screen HUD */
#game-screen {
    background: transparent;
    pointer-events: none;
}

.hud {
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
    z-index: 5;
}

.hud-item {
    color: var(--crt-green);
    font-size: 14px;
    font-weight: bold;
    text-shadow: 0 0 5px var(--crt-green), 0 0 10px rgba(0, 255, 65, 0.5);
    letter-spacing: 1px;
}

/* Game Over Screen */
#game-over-screen {
    background: rgba(20, 0, 0, 0.95);
    gap: 10px;
    padding: 20px;
    overflow-y: auto;
}

.stamp {
    color: var(--crt-red);
    font-size: 28px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 10px var(--crt-red), 0 0 20px rgba(255, 0, 64, 0.5);
    margin-bottom: 15px;
    animation: stamp-slam 0.3s ease-out;
}

@keyframes stamp-slam {
    0% {
        transform: scale(2);
        opacity: 0;
    }
    70% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.result-text {
    color: var(--crt-green);
    font-size: 18px;
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--crt-green);
}

.result-text-dim {
    color: var(--crt-green-dim);
    font-size: 14px;
    letter-spacing: 1px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

/* Mobile D-Pad */
#dpad {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
    z-index: 100;
    display: none;
}

.dpad-btn {
    position: absolute;
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 65, 0.15);
    border: 2px solid rgba(0, 255, 65, 0.4);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: all 0.1s ease;
}

.dpad-btn:active {
    background: rgba(0, 255, 65, 0.5);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
    transform: scale(0.95);
}

.dpad-btn svg {
    width: 24px;
    height: 24px;
    fill: rgba(0, 255, 65, 0.8);
}

#dpad-up {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

#dpad-down {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

#dpad-left {
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

#dpad-right {
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

/* Physical buttons on bezel */
.bezel-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.bezel-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #2a2a2a;
    cursor: pointer;
}

.bezel-btn.power {
    background: radial-gradient(circle at 30% 30%, #4a4a4a, #2a2a2a);
    box-shadow: inset 0 -2px 4px rgba(0, 0, 0, 0.5);
}

.bezel-btn.power.on {
    background: radial-gradient(circle at 30% 30%, var(--crt-green), var(--crt-green-dim));
    box-shadow: 0 0 10px var(--crt-green), 0 0 20px rgba(0, 255, 65, 0.3), inset 0 -2px 4px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media (max-width: 700px) {
    .page-title {
        font-size: 28px;
        letter-spacing: 4px;
    }

    .page-subtitle {
        font-size: 11px;
        letter-spacing: 2px;
    }

    .page-header {
        margin-bottom: 20px;
    }

    #game-container {
        padding: 15px;
        border-radius: 15px;
    }

    #game-canvas {
        width: 350px !important;
        height: 350px !important;
    }

    #dpad {
        display: block;
    }

    .game-title {
        font-size: 20px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
        min-width: 220px;
    }

    .stamp {
        font-size: 18px;
        padding: 8px 15px;
        letter-spacing: 2px;
    }

    .result-text {
        font-size: 12px;
    }

    #game-over-screen {
        gap: 8px;
        padding: 10px;
    }

    .death-cause {
        font-size: 10px;
    }
}

@media (max-width: 400px) {
    #game-canvas {
        width: 300px !important;
        height: 300px !important;
    }

    .btn {
        min-width: 200px;
        font-size: 12px;
    }
}

/* High score highlight */
.new-record {
    color: var(--crt-gold) !important;
    animation: pulse-gold 1s infinite;
}

@keyframes pulse-gold {
    0%, 100% { text-shadow: 0 0 5px var(--crt-gold); }
    50% { text-shadow: 0 0 20px var(--crt-gold), 0 0 30px var(--crt-gold), 0 0 40px rgba(255, 215, 0, 0.3); }
}

/* Settings Screen */
#settings-screen {
    gap: 20px;
    overflow-y: auto;
    padding: 15px;
    justify-content: flex-start;
    padding-top: 20px;
}

.settings-title {
    color: var(--crt-cyan);
    font-size: 20px;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--crt-cyan), 0 0 20px rgba(0, 217, 255, 0.3);
    margin-bottom: 10px;
}

.settings-panel {
    background: rgba(0, 20, 0, 0.8);
    border: 1px solid var(--crt-green-dim);
    padding: 20px;
    width: 90%;
    max-width: 350px;
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1), inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 255, 65, 0.15);
}

.setting-label {
    color: var(--crt-green);
    font-size: 12px;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(0, 255, 65, 0.3);
}

.toggle-btn {
    background: transparent;
    border: 1px solid var(--crt-green-dim);
    color: var(--crt-green-dim);
    padding: 6px 16px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-btn[data-enabled="true"] {
    border-color: var(--crt-green);
    color: var(--crt-green);
    text-shadow: 0 0 5px var(--crt-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.toggle-btn:hover {
    background: rgba(0, 255, 65, 0.1);
}

.setting-section {
    margin: 20px 0 10px;
}

.setting-header {
    color: var(--crt-amber);
    font-size: 14px;
    font-weight: normal;
    margin-bottom: 15px;
    letter-spacing: 2px;
    text-shadow: 0 0 5px rgba(255, 176, 0, 0.3);
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.control-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid rgba(0, 255, 65, 0.1);
}

.control-item-wide {
    grid-column: span 2;
}

.key-display {
    color: var(--crt-cyan);
    font-size: 11px;
    text-shadow: 0 0 5px rgba(0, 217, 255, 0.3);
}

.key-action {
    color: var(--crt-green-dim);
    font-size: 11px;
}

.setting-footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 255, 65, 0.15);
    text-align: center;
    color: var(--crt-green-dim);
    font-size: 10px;
    letter-spacing: 1px;
}

/* Settings responsive */
@media (max-width: 700px) {
    .settings-panel {
        padding: 15px;
    }

    .setting-label {
        font-size: 11px;
    }

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

    .control-item-wide {
        grid-column: span 1;
    }
}

/* Leaderboard Submission */
.leaderboard-submit {
    margin: 5px 0;
    padding: 8px;
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid var(--crt-green-dim);
    width: 90%;
    max-width: 300px;
}

.submit-prompt {
    color: var(--crt-cyan);
    font-size: 10px;
    letter-spacing: 1px;
    margin-bottom: 6px;
    text-shadow: 0 0 5px rgba(0, 217, 255, 0.3);
}

.username-input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
}

.username-input {
    flex: 1;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--crt-green-dim);
    color: var(--crt-green);
    padding: 8px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.username-input:focus {
    outline: none;
    border-color: var(--crt-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.username-input::placeholder {
    color: var(--crt-green-dim);
    opacity: 0.5;
}

.btn-small {
    min-width: auto;
    padding: 10px 20px;
    font-size: 12px;
    white-space: nowrap;
}

.submit-status {
    font-size: 11px;
    letter-spacing: 1px;
    min-height: 16px;
}

.submit-status.success {
    color: var(--crt-green);
    text-shadow: 0 0 5px var(--crt-green);
}

.submit-status.error {
    color: var(--crt-red);
    text-shadow: 0 0 5px var(--crt-red);
}

/* Leaderboard Screen */
#leaderboard-screen {
    gap: 15px;
}

.leaderboard-title {
    color: var(--crt-amber);
    font-size: 24px;
    letter-spacing: 4px;
    text-shadow: 0 0 10px var(--crt-amber), 0 0 20px rgba(255, 176, 0, 0.3);
    margin-bottom: 10px;
}

.loading-text,
.error-text {
    color: var(--crt-green-dim);
    font-size: 14px;
    letter-spacing: 2px;
    animation: pulse-slow 2s infinite;
}

.error-text {
    color: var(--crt-red);
}

@keyframes pulse-slow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.leaderboard-content {
    width: 95%;
    max-width: 500px;
    max-height: 400px;
    overflow-y: auto;
    background: rgba(0, 20, 0, 0.8);
    border: 2px solid var(--crt-green-dim);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.1), inset 0 0 30px rgba(0, 0, 0, 0.5);
}

.leaderboard-table {
    width: 100%;
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 40px 1fr 60px 80px;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(0, 255, 65, 0.1);
    border-bottom: 2px solid var(--crt-green-dim);
    position: sticky;
    top: 0;
    z-index: 2;
}

.leaderboard-header span {
    color: var(--crt-cyan);
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(0, 217, 255, 0.3);
}

.leaderboard-list {
    min-height: 100px;
}

.leaderboard-row {
    display: grid;
    grid-template-columns: 40px 1fr 60px 80px;
    gap: 10px;
    padding: 10px 15px;
    border-bottom: 1px solid rgba(0, 255, 65, 0.1);
    transition: background 0.2s ease;
}

.leaderboard-row:hover {
    background: rgba(0, 255, 65, 0.05);
}

.leaderboard-row.top-3 {
    background: rgba(255, 215, 0, 0.05);
}

.leaderboard-row.top-3:hover {
    background: rgba(255, 215, 0, 0.1);
}

.leaderboard-row span {
    color: var(--crt-green);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.col-rank {
    color: var(--crt-green-dim);
    text-align: center;
}

.leaderboard-row.top-3 .col-rank {
    color: var(--crt-gold);
    font-weight: bold;
    text-shadow: 0 0 5px var(--crt-gold);
}

.col-username {
    font-weight: bold;
}

.col-score {
    text-align: right;
    color: var(--crt-cyan);
}

.col-time {
    text-align: right;
    color: var(--crt-green-dim);
    font-size: 10px;
}

/* Scrollbar styling */
.leaderboard-content::-webkit-scrollbar {
    width: 8px;
}

.leaderboard-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

.leaderboard-content::-webkit-scrollbar-thumb {
    background: var(--crt-green-dim);
    border-radius: 4px;
}

.leaderboard-content::-webkit-scrollbar-thumb:hover {
    background: var(--crt-green);
}

/* Leaderboard responsive */
@media (max-width: 700px) {
    .leaderboard-title {
        font-size: 18px;
    }

    .leaderboard-header {
        grid-template-columns: 30px 1fr 50px 70px;
        gap: 8px;
        padding: 10px;
    }

    .leaderboard-row {
        grid-template-columns: 30px 1fr 50px 70px;
        gap: 8px;
        padding: 8px 10px;
    }

    .leaderboard-header span,
    .leaderboard-row span {
        font-size: 10px;
    }

    .col-time {
        font-size: 9px;
    }

    .leaderboard-submit {
        width: 95%;
        padding: 10px;
    }

    .username-input-group {
        flex-direction: column;
        gap: 8px;
    }

    .btn-small {
        width: 100%;
    }
}