/* ===========================================
   SPACE INVADERS - AI COMMANDER EDITION
   Retro Arcade Styling
   =========================================== */

/* Import retro-style font */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

/* CSS Variables for consistent theming */
:root {
    --primary-color: #00ff41;       /* Classic green terminal color */
    --secondary-color: #ff6b35;     /* Orange accent */
    --warning-color: #ff0040;       /* Red warning */
    --background-dark: #0a0a0a;     /* Near black */
    --background-panel: #121212;    /* Panel background */
    --border-color: #00ff41;        /* Green borders */
    --text-dim: #006618;            /* Dimmed green text */
    --console-bg: #0d1117;          /* Console background */
    --glow-color: rgba(0, 255, 65, 0.3);
}

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

body {
    font-family: 'Press Start 2P', cursive;
    background-color: var(--background-dark);
    color: var(--primary-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow-x: hidden;
}

/* Scanline effect overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    pointer-events: none;
    z-index: 1000;
}

/* Main game wrapper */
.game-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    max-width: 700px;
    width: 100%;
}

/* Game header */
.game-header {
    text-align: center;
    margin-bottom: 10px;
}

.game-title {
    font-size: 2rem;
    text-shadow: 
        0 0 10px var(--primary-color),
        0 0 20px var(--primary-color),
        0 0 40px var(--primary-color);
    animation: flicker 2s infinite alternate;
    letter-spacing: 4px;
}

.game-subtitle {
    font-size: 0.6rem;
    color: var(--secondary-color);
    margin-top: 8px;
    letter-spacing: 2px;
}

/* Flicker animation for title */
@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 
            0 0 10px var(--primary-color),
            0 0 20px var(--primary-color),
            0 0 40px var(--primary-color);
    }
    20%, 24%, 55% {
        text-shadow: none;
    }
}

/* Game container */
.game-container {
    position: relative;
    border: 3px solid var(--border-color);
    box-shadow: 
        0 0 20px var(--glow-color),
        inset 0 0 20px rgba(0, 255, 65, 0.1);
    background-color: #000;
}

/* Canvas styling */
#gameCanvas {
    display: block;
    background: radial-gradient(ellipse at center, #0a0a1a 0%, #000 100%);
}

/* HUD (Heads Up Display) */
.hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    padding: 10px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
    font-size: 0.5rem;
}

.hud-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hud-label {
    color: var(--text-dim);
    font-size: 0.4rem;
}

.hud-value {
    font-size: 0.7rem;
    text-shadow: 0 0 5px var(--primary-color);
}

.ai-status {
    font-size: 0.5rem;
}

.ai-status.online {
    color: var(--primary-color);
    animation: pulse 1.5s infinite;
}

.ai-status.offline {
    color: var(--warning-color);
}

.ai-status.loading {
    color: var(--secondary-color);
}

.high-score {
    color: var(--secondary-color);
}

.weapon-display {
    font-size: 0.45rem;
    color: #00bfff;
}

.weapon-display.spread {
    color: #ff6b35;
}

.weapon-display.laser {
    color: #ff0040;
}

.weapon-display.rapid {
    color: #ffdd00;
}

.weapon-display.missile {
    color: #ff00ff;
}

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

/* AI Console Panel */
.ai-console {
    width: 100%;
    max-width: 606px;
    background-color: var(--console-bg);
    border: 2px solid var(--border-color);
    box-shadow: 0 0 15px var(--glow-color);
}

.console-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background-color: rgba(0, 255, 65, 0.1);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.5rem;
}

.console-icon {
    color: var(--secondary-color);
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.console-title {
    flex: 1;
    letter-spacing: 2px;
}

.thinking-indicator {
    font-size: 0.4rem;
    color: var(--secondary-color);
}

.thinking-indicator.active::after {
    content: 'PROCESSING...';
    animation: blink 0.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.console-content {
    height: 120px;
    overflow-y: auto;
    padding: 10px;
    font-size: 0.45rem;
    line-height: 1.8;
}

.console-content::-webkit-scrollbar {
    width: 8px;
}

.console-content::-webkit-scrollbar-track {
    background: var(--background-dark);
}

.console-content::-webkit-scrollbar-thumb {
    background: var(--text-dim);
    border-radius: 4px;
}

.console-message {
    margin-bottom: 8px;
    padding-left: 15px;
    position: relative;
    word-wrap: break-word;
}

.console-message::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.system-message {
    color: var(--text-dim);
}

.taunt-message {
    color: var(--warning-color);
}

.briefing-message {
    color: var(--secondary-color);
}

.commander-message {
    color: var(--primary-color);
}

.hint-message {
    color: #00bfff;
}

/* Controls info bar */
.controls-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 0.4rem;
    color: var(--text-dim);
    padding: 10px;
}

.controls-info span {
    transition: color 0.2s;
}

.controls-info span:hover {
    color: var(--primary-color);
}

/* Overlay screens */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    animation: fadeIn 0.3s ease;
}

.overlay.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.overlay-content {
    text-align: center;
    padding: 40px;
    border: 3px solid var(--primary-color);
    background-color: var(--background-panel);
    box-shadow: 
        0 0 30px var(--glow-color),
        inset 0 0 50px rgba(0, 255, 65, 0.05);
    max-width: 450px;
}

.overlay-content h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--primary-color);
    animation: flicker 3s infinite alternate;
}

.overlay-content .subtitle {
    font-size: 0.6rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.instructions {
    font-size: 0.5rem;
    line-height: 2;
    margin-bottom: 30px;
    color: #aaa;
}

.instructions p {
    margin-bottom: 10px;
}

/* Arcade button styling */
.arcade-btn {
    font-family: 'Press Start 2P', cursive;
    font-size: 0.7rem;
    padding: 15px 30px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.arcade-btn:hover {
    background-color: var(--primary-color);
    color: var(--background-dark);
    box-shadow: 
        0 0 20px var(--primary-color),
        inset 0 0 20px rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.arcade-btn:active {
    transform: scale(0.95);
}

.ai-note {
    margin-top: 25px;
    font-size: 0.35rem;
    color: var(--text-dim);
}

.ai-note p {
    margin-top: 5px;
}

/* Final score display */
.final-score, .level-score {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.ai-comment, .level-briefing {
    font-size: 0.45rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--primary-color);
    max-width: 350px;
    margin-left: auto;
    margin-right: auto;
}

/* Leaderboard Styles */
.leaderboard-content {
    min-width: 350px;
}

.leaderboard-list {
    margin: 20px 0;
    max-height: 300px;
    overflow-y: auto;
}

.leaderboard-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    margin: 5px 0;
    background: rgba(0, 255, 65, 0.1);
    border-left: 3px solid var(--primary-color);
    font-size: 0.5rem;
}

.leaderboard-entry.highlight {
    background: rgba(255, 107, 53, 0.2);
    border-left-color: var(--secondary-color);
}

.leaderboard-rank {
    color: var(--secondary-color);
    min-width: 30px;
}

.leaderboard-name {
    flex: 1;
    text-align: left;
    margin: 0 15px;
    color: var(--primary-color);
}

.leaderboard-score {
    color: var(--primary-color);
    min-width: 60px;
    text-align: right;
}

.leaderboard-level {
    color: var(--text-dim);
    min-width: 40px;
    text-align: right;
    font-size: 0.4rem;
}

.no-scores {
    color: var(--text-dim);
    font-size: 0.5rem;
    padding: 20px;
}

/* Name input section */
.name-input-section {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.name-input-section label {
    font-size: 0.45rem;
    color: var(--text-dim);
}

.name-input-section input {
    font-family: 'Press Start 2P', cursive;
    font-size: 0.6rem;
    padding: 10px 15px;
    background: var(--background-dark);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-align: center;
    text-transform: uppercase;
    width: 150px;
}

.name-input-section input:focus {
    outline: none;
    box-shadow: 0 0 10px var(--glow-color);
}

.name-input-section input::placeholder {
    color: var(--text-dim);
}

.arcade-btn.small {
    font-size: 0.5rem;
    padding: 10px 20px;
}

.leaderboard-btn {
    cursor: pointer;
    transition: color 0.2s;
}

.leaderboard-btn:hover {
    color: var(--secondary-color) !important;
}

.sound-btn {
    cursor: pointer;
    transition: color 0.2s;
}

.sound-btn:hover {
    color: var(--secondary-color) !important;
}

.sound-btn.muted {
    color: var(--warning-color) !important;
}

.name-input-section.hidden {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 650px) {
    .game-title {
        font-size: 1.2rem;
    }
    
    #gameCanvas {
        width: 100%;
        height: auto;
    }
    
    .game-container {
        width: 100%;
    }
    
    .hud {
        font-size: 0.4rem;
    }
    
    .console-content {
        height: 100px;
        font-size: 0.4rem;
    }
    
    .controls-info {
        font-size: 0.35rem;
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .overlay-content {
        padding: 25px;
        margin: 20px;
    }
    
    .overlay-content h2 {
        font-size: 1rem;
    }
}

/* CRT screen effect (optional enhancement) */
.game-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%,
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 2;
}

/* Stars background animation */
@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}