:root {
    --primary-color: #00FFFF; /* Cyan */
    --bg-color: #111;
    --container-bg: #000;
    --border-color: #444;
    --text-color: #FFF;
    --ready-color: #00FF00;
    --cooldown-color: #FF4444;
}

body {
    margin: 0;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Consolas', 'Menlo', monospace;
    color: var(--text-color);
    overflow: hidden;
}

#game-container {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    justify-content: center;
    width: 100vw;
    max-width: 100vw;
    box-sizing: border-box;
}

#tv-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 600px;
    max-width: 100vw;
    background: none;
}

#screen {
    width: 600px;
    height: 400px;
    background: #000;
    border: 32px solid;
    border-image: linear-gradient(180deg, #222 0%, #444 40%, #111 100%) 1;
    border-radius: 38px 38px 48px 48px/32px 32px 64px 64px;
    box-shadow:
        0 0 0 8px #000,
        0 16px 64px #000e,
        inset 0 0 180px #000f,
        0 0 0 2px #333;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    margin-bottom: 0;
}

/* CRT convex bulge and vignette */
#screen::after {
    content: none !important;
    display: none !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
}

/* CRT scanlines overlay */
#screen::before {
    display: none;
}

/* CRT glass glare/reflection */
#screen .crt-glare {
    display: none;
}

/* Thin black inner bezel */
#screen::after {
    content: '';
    pointer-events: none;
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    z-index: 3;
    border-radius: 8px 8px 18px 18px/12px 12px 28px 28px;
    border: 3px solid #181818;
    box-sizing: border-box;
}

#screen::after {
    content: '';
    pointer-events: none;
    position: absolute;
    left: 20%;
    top: 30%;
    width: 60%;
    height: 28%;
    z-index: 2;
    background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(255,255,255,0.10) 0%, rgba(255,255,255,0.03) 80%, transparent 100%);
    border: none;
    box-shadow: none;
    display: block;
}

@keyframes screen-shake {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-2px, 2px); }
    50% { transform: translate(2px, -2px); }
    75% { transform: translate(-2px, -2px); }
}

.shake {
    animation: screen-shake 0.15s ease-in-out;
}

@keyframes flicker {
    0% { filter: brightness(2.2) contrast(1.5); background: rgba(255,255,255,0.25); }
    10% { filter: brightness(0.5) contrast(1.7); background: rgba(255,255,255,0.18); }
    20% { filter: brightness(2.0) contrast(1.2); background: rgba(255,255,255,0.12); }
    30% { filter: brightness(0.7) contrast(1.6); background: rgba(255,255,255,0.10); }
    40% { filter: brightness(1.7) contrast(1.3); background: rgba(255,255,255,0.08); }
    50% { filter: brightness(0.8) contrast(1.7); background: rgba(255,255,255,0.10); }
    60% { filter: brightness(2.1) contrast(1.1); background: rgba(255,255,255,0.12); }
    70% { filter: brightness(0.7) contrast(1.6); background: rgba(255,255,255,0.18); }
    80% { filter: brightness(1.7) contrast(1.3); background: rgba(255,255,255,0.22); }
    90% { filter: brightness(0.8) contrast(1.7); background: rgba(255,255,255,0.25); }
    100% { filter: brightness(1.0) contrast(1.0); background: none; }
}

#screen.flicker {
    animation: flicker 0.22s linear 1;
    position: relative;
    overflow: hidden;
}

#screen.flicker::before {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.25);
    pointer-events: none;
    z-index: 10;
    border-radius: inherit;
    animation: flicker-flash 0.22s linear 1;
}

@keyframes flicker-flash {
    0% { opacity: 1; }
    80% { opacity: 0.7; }
    100% { opacity: 0; }
}

/* TV static noise overlay for flicker */
#screen.flicker::after {
    content: '';
    position: absolute;
    left: 0; top: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 20;
    opacity: 0.45;
    background-image: url('data:image/svg+xml;utf8,<svg width="120" height="60" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="3"/></filter><rect width="100%" height="100%" filter="url(%23noise)"/></svg>');
    background-size: 120px 60px;
    animation: static-flicker 0.22s steps(2, end) infinite;
    border-radius: inherit;
}

@keyframes static-flicker {
    0% { opacity: 0.45; }
    50% { opacity: 0.7; }
    100% { opacity: 0.45; }
}

#logo {
    position: absolute;
    left: 0; top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    min-width: 0;
    min-height: 0;
    background: transparent;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
    border-radius: 0;
    font-family: 'Arial Black', Arial, Helvetica, sans-serif;
    font-style: italic;
    color: var(--primary-color);
    text-shadow:
        -2px -2px 0 #000,
        2px -2px 0 #000,
        -2px 2px 0 #000,
        2px 2px 0 #000,
        0 0 8px var(--primary-color);
    font-size: 38px;
    font-weight: bold;
    letter-spacing: 2px;
    padding: 0;
    transition: transform 0.1s, color 0.3s, box-shadow 0.3s;
    will-change: transform, left, top;
    z-index: 10;
    user-select: none;
}

.dvd-main {
    font-size: 38px;
    line-height: 1;
    letter-spacing: 2px;
    color: var(--primary-color);
    text-shadow:
        -2px -2px 0 #000,
        2px -2px 0 #000,
        -2px 2px 0 #000,
        2px 2px 0 #000,
        0 0 8px var(--primary-color);
}

.dvd-video {
    font-size: 16px;
    letter-spacing: 6px;
    margin-top: -2px;
    color: var(--primary-color);
    text-shadow:
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        0 0 4px var(--primary-color);
}

@keyframes nudge-animation {
    from {
        transform: scale(0);
        opacity: 0.7;
    }
    to {
        transform: scale(1.5);
        opacity: 0;
    }
}

#nudge-effect {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

#nudge-effect.active {
    animation: nudge-animation 0.4s ease-out;
}

/* TV control panel at the bottom of the screen */
#ui-panel {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    max-width: none;
    display: flex;
    flex-direction: row;
    gap: 0;
    background: #000;
    border-top: 16px solid #222;
    border-bottom-left-radius: 38px;
    border-bottom-right-radius: 38px;
    box-shadow: 0 8px 32px #000b, 0 0 0 2px #333;
    padding: 18px 0 12px 0;
    z-index: 10;
    justify-content: space-around;
    align-items: center;
    margin-top: 0;
    margin-bottom: 0;
}

.ui-box {
    flex: 1;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    padding: 0;
    text-align: center;
    font-family: 'VT323', 'Consolas', 'Menlo', 'monospace', 'Arial';
    margin: 0 8px;
    min-width: 0;
}

.ui-box h3 {
    margin: 0 0 2px 0;
    font-size: 13px;
    color: #aaa;
    letter-spacing: 1px;
    font-weight: bold;
    text-shadow: 0 1px 2px #000a;
    font-family: inherit;
    opacity: 0.85;
}

.ui-box p {
    margin: 0;
    font-size: 20px;
    font-weight: bold;
    letter-spacing: 1px;
    font-family: inherit;
    color: var(--primary-color);
    text-shadow: 0 1px 2px #000a, 0 0 6px #2228;
    opacity: 0.95;
}

#nudge-status-display.ready { color: var(--ready-color); }
#nudge-status-display.cooldown { color: var(--cooldown-color); }

/* Modal Styles */
#modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 100;
}

#modal-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

#modal-content {
    background-color: var(--container-bg);
    border: 2px solid var(--primary-color);
    padding: 30px;
    width: 80%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 0 20px var(--primary-color);
}

#modal-content h2 {
    margin-top: 0;
}

#modal-content button {
    background-color: var(--primary-color);
    color: var(--bg-color);
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease;
    margin-top: 15px;
}

#modal-content button:hover {
    transform: scale(1.05);
}

#upgrade-selection {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.upgrade-button {
    background-color: var(--bg-color) !important;
    color: var(--text-color) !important;
    border: 2px solid var(--border-color) !important;
    text-align: left;
    padding: 15px !important;
}

.upgrade-button:hover {
    border-color: var(--primary-color) !important;
}

.upgrade-button h4 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
}
.upgrade-button p {
    margin: 0;
    font-size: 14px !important;
    font-weight: normal !important;
}

#upgrade-log {
    width: 180px;
    min-height: 300px;
    max-height: 400px;
    background: var(--container-bg);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 15px;
    font-family: inherit;
    padding: 12px 10px;
    margin-right: 18px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-sizing: border-box;
    flex-shrink: 0;
    margin-top: 0;
}

@media (max-width: 900px) {
    #game-container {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    #upgrade-log {
        margin-right: 0;
        margin-top: 18px;
        width: 90vw;
        max-width: 400px;
    }
    #tv-unit {
        min-width: 0;
        width: 100vw;
        max-width: 100vw;
    }
}