/**
 * Space Invaders 3D - Ultra Premium Styles
 * Developed by: Molla Samser (RSK World)
 * Website: https://rskworld.in
 * Copyright © 2026 RSK World. All rights reserved.
 */

:root {
    --primary: #00ff41;
    --primary-glow: rgba(0, 255, 65, 0.6);
    --accent: #ff00ff;
    --accent-glow: rgba(255, 0, 255, 0.4);
    --danger: #ff4141;
    --danger-glow: rgba(255, 65, 65, 0.6);
    --warning: #ffff00;
    --bg-dark: #020205;
    --glass: rgba(10, 10, 15, 0.6);
    --glass-solid: rgba(15, 15, 25, 0.95);
    --border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --font-arcade: 'Press Start 2P', cursive;
    --font-ui: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-dark) url('assets/images/nebula.png') no-repeat center center fixed;
    background-size: cover;
    color: var(--text);
    font-family: var(--font-ui);
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

body.shake {
    animation: shake 0.3s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

#board-3d {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.game-ui {
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    pointer-events: none;
}

header, footer {
    padding: 20px;
    pointer-events: auto;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Hide header during gameplay */
body.in-game header {
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
}

body.in-game footer {
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass);
    backdrop-filter: blur(25px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 10px 25px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.8);
}

.stats-bar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 30px;
    padding: 10px 40px;
    background: rgba(10, 10, 20, 0.85);
    backdrop-filter: blur(15px);
    border: 2px solid var(--primary);
    border-radius: 40px;
    z-index: 10000;
    box-shadow: 
        0 0 25px var(--primary-glow),
        inset 0 0 15px rgba(0, 255, 65, 0.2);
    font-family: var(--font-arcade);
    font-size: 0.95rem;
    color: #fff;
    text-shadow: 0 0 10px var(--primary-glow);
    pointer-events: none;
    min-width: 600px;
    justify-content: space-around;
}

.stat-item {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.stat-item .label {
    color: var(--primary);
    margin-right: 10px;
    font-weight: bold;
    font-size: 0.9rem;
}

#score-val, #level-val {
    color: #fff !important;
    font-weight: bold;
    font-size: 1.1rem;
    text-shadow: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow) !important;
    display: inline-block;
    min-width: 60px;
}

#lives-val {
    font-size: 1.2rem;
    text-shadow: 0 0 10px #ff0000;
}

body.in-game h1 {
    display: none;
}

body.in-game .home-link {
    display: none;
}

body.in-game .header-buttons {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1000;
}

.header-buttons {
    display: flex;
    gap: 10px;
}

h1 {
    font-family: var(--font-arcade);
    font-size: 1rem;
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
    letter-spacing: 2px;
}

/* Powerup Indicators */
.powerup-indicators {
    position: absolute;
    top: 80px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: auto;
}

.powerup-icon {
    width: 40px;
    height: 40px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.powerup-icon.active {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Boss Health Bar */
.boss-health {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    pointer-events: auto;
}

.boss-label {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: var(--danger);
    text-align: center;
    margin-bottom: 5px;
    text-shadow: 0 0 10px var(--danger-glow);
}

.boss-health-bar-container {
    height: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--danger);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 0 10px var(--danger-glow);
}

.boss-health-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--danger), #ff6666);
    transition: width 0.3s ease;
}

/* Wave Message */
.wave-message {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-arcade);
    font-size: 2.5rem;
    color: var(--primary);
    text-shadow: 0 0 30px var(--primary-glow);
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.wave-message.show {
    animation: waveMessage 2s ease-in-out;
}

@keyframes waveMessage {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    20% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
    80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1); }
}

/* Powerup Message */
.powerup-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-arcade);
    font-size: 1.5rem;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
    pointer-events: none;
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    border-radius: 10px;
    border: 1px solid var(--accent);
}

/* Overlays */
.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(10px);
    transition: opacity 0.5s ease;
    pointer-events: auto;
}

.game-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.glass-panel {
    background: var(--glass-solid);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 40px 60px;
    text-align: center;
    max-width: 600px;
    width: 90%;
    box-shadow: 0 30px 60px rgba(0,0,0,0.9);
    max-height: 90vh;
    overflow-y: auto;
}

/* Player Name Input */
.player-name-input {
    margin: 20px 0;
}

.player-name-input label {
    display: block;
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
}

.player-name-input input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 20px;
    color: var(--primary);
    font-family: var(--font-arcade);
    font-size: 0.8rem;
    text-align: center;
    width: 200px;
    outline: none;
    transition: all 0.3s ease;
}

.player-name-input input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

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

.setting-item input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 65, 0.1);
    border-radius: 4px;
    outline: none;
}

.setting-item input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Easy Mode Toggle */
.difficulty-toggle {
    margin: 15px 0;
}

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.toggle-label:hover {
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.toggle-text {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.7);
}

.toggle-label input[type="checkbox"]:checked + .toggle-text {
    color: var(--accent);
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Ship Selection */
.ship-selection {
    margin: 20px 0;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border);
}

.ship-selection h3 {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
}

.ship-options {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.ship-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 80px;
}

.ship-option:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.ship-option.selected {
    border-color: var(--primary);
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 20px var(--primary-glow);
}

.ship-preview {
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
    position: relative;
}

.ship-preview::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* Scout ship - use sprite */
.ship-preview.scout {
    background: url('assets/images/Sprites/Ships/spaceShips_001.png') no-repeat center;
    background-size: contain;
}

/* Fighter ship - use sprite */
.ship-preview.fighter {
    background: url('assets/images/Sprites/Ships/spaceShips_002.png') no-repeat center;
    background-size: contain;
}

/* Tank ship - use sprite */
.ship-preview.tank {
    background: url('assets/images/Sprites/Ships/spaceShips_003.png') no-repeat center;
    background-size: contain;
}

.ship-preview::before {
    display: none; /* Remove CSS shapes, use images instead */
}

.ship-name {
    font-family: var(--font-arcade);
    font-size: 0.5rem;
    color: #fff;
    margin-bottom: 4px;
}

.ship-stats {
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Controls Card */
.controls-card {
    margin-top: 25px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border);
}

.controls-card h3 {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.controls-card p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 5px 0;
}

/* Powerups Legend */
.powerups-legend {
    margin-top: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border);
}

.powerups-legend h3 {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.powerup-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.powerup-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
}

.powerup-item .icon {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    display: inline-block;
}

.powerup-item .icon.rapid { background: #ff0000; }
.powerup-item .icon.shield { background: #00ffff; }
.powerup-item .icon.multishot { background: #ffff00; }
.powerup-item .icon.speed { background: #00ff00; }
.powerup-item .icon.life { background: #ff00ff; }

/* Buttons */
.premium-btn {
    padding: 20px 50px;
    background: linear-gradient(135deg, var(--primary), #00cc33);
    border: none;
    border-radius: 20px;
    color: #000;
    font-family: var(--font-arcade);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px var(--primary-glow);
    margin-top: 30px;
}

.premium-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--primary-glow);
}

.icon-btn {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 15px var(--primary-glow);
}

/* Game Over Screen */
.critical {
    color: var(--danger) !important;
    text-shadow: 0 0 20px var(--danger-glow) !important;
}

.mission-result, .level-result {
    font-size: 1.1rem;
    color: #fff;
    margin: 10px 0;
}

.score-highlight {
    color: var(--primary);
    font-family: var(--font-arcade);
    font-size: 1.3rem;
}

.level-highlight {
    color: var(--accent);
    font-family: var(--font-arcade);
    font-size: 1.3rem;
}

/* High Scores */
.high-scores {
    margin: 25px 0;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid var(--border);
}

.high-scores h3 {
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
}

.high-scores ul {
    list-style: none;
    padding: 0;
}

.high-scores li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.high-scores li:last-child {
    border-bottom: none;
}

.high-scores .rank {
    color: var(--accent);
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    width: 30px;
}

.high-scores .name {
    flex: 1;
    text-align: left;
    margin-left: 15px;
    color: #fff;
}

.high-scores .score {
    color: var(--primary);
    font-family: var(--font-arcade);
    font-size: 0.7rem;
}

/* Icons */
.mega-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.home-link {
    color: var(--primary);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.home-link:hover {
    transform: scale(1.2);
    text-shadow: 0 0 20px var(--primary-glow);
}

/* Mobile Controls */
.mobile-dpad {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    pointer-events: auto;
    z-index: 50;
}

.dpad-grid {
    display: grid;
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(3, 50px);
    gap: 5px;
}

.dpad-btn {
    width: 50px;
    height: 50px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dpad-btn:active {
    background: var(--primary);
    color: #000;
    transform: scale(0.95);
}

#btn-up { grid-column: 2; grid-row: 1; }
#btn-left { grid-column: 1; grid-row: 2; }
#btn-right { grid-column: 3; grid-row: 2; }
#btn-down { grid-column: 2; grid-row: 3; }

.fire-btn {
    padding: 15px 30px;
    background: var(--danger);
    border: none;
    border-radius: 25px;
    color: #fff;
    font-family: var(--font-arcade);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.1s ease;
    box-shadow: 0 5px 20px var(--danger-glow);
}

.fire-btn:active {
    transform: scale(0.95);
    box-shadow: 0 2px 10px var(--danger-glow);
}

/* Keyboard styling */
kbd {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 8px;
    font-family: var(--font-arcade);
    font-size: 0.6rem;
    color: var(--primary);
}

/* Footer Styling */
footer {
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    pointer-events: auto;
}

footer strong {
    color: var(--primary);
}

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

/* Mobile adjustments */
@media (max-width: 900px) {
    .stats-bar { 
        gap: 15px;
        font-size: 0.6rem;
    }
    h1 { font-size: 0.7rem; }
    .glass-panel { 
        padding: 25px; 
        border-radius: 25px;
    }
    .premium-btn {
        padding: 15px 30px;
        font-size: 0.7rem;
    }
    .powerup-indicators {
        top: 70px;
        right: 10px;
    }
    .powerup-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    .boss-health {
        width: 200px;
        top: 70px;
    }
    .mobile-dpad {
        bottom: 80px;
    }
    .header-content {
        padding: 8px 15px;
    }
    .icon-btn {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 600px) {
    .powerups-legend {
        display: none;
    }
    .controls-card {
        font-size: 0.7rem;
    }
    .wave-message {
        font-size: 1.5rem;
    }
}