@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Inter:wght@300;400;600&display=swap');

:root {
    --bg-color: #0f172a;
    --accent-color: #00f3ff;
    --secondary-color: #ff00ea;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.65);
    --glass-border: rgba(255, 255, 255, 0.08);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Starfield Background */
.starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    overflow: hidden;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.5;
    animation: move-star linear infinite;
}

@keyframes move-star {
    from { transform: translateY(0); }
    to { transform: translateY(-100vh); }
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

header {
    text-align: center;
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease-out;
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    letter-spacing: 0.5rem;
    background: linear-gradient(
        to right, 
        #00f3ff, /* Cyan */
        #10b981, /* Green */
        #84cc16, /* Lime Green */
        #f97316, /* Orange */
        #ef4444, /* Red */
        #d946ef, /* Magenta */
        #8b5cf6, /* Mauve */
        #00f3ff  /* Loop back to Cyan */
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 10px rgba(0, 210, 255, 0.3));
    animation: title-flow 10s linear infinite;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    letter-spacing: 0.2rem;
}

/* Emulator Section */
.emulator-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    animation: scaleIn 0.8s ease-out;
}

#emulator-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
}

.emulator-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--accent-color), transparent, var(--secondary-color));
    border-radius: 22px;
    z-index: -1;
    opacity: 0.3;
}

rvm-player {
    display: block;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
}

/* Controls & Info */
.info-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
    margin-top: 1rem;
}

.panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    flex: 1;
    transition: transform 0.3s ease, background 0.3s ease;
}

.panel:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-5px);
}

.panel h3 {
    font-family: 'Orbitron', sans-serif;
    margin-top: 0;
    color: var(--secondary-color);
    font-size: 1.2rem;
    letter-spacing: 2px;
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.download-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: center;
}

.download-btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--secondary-color), #00bcd4);
    color: #000;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 2px;
    font-family: 'Orbitron', sans-serif;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0, 243, 255, 0.3);
    text-transform: uppercase;
    margin-top: 1rem;
}

.download-btn:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 243, 255, 0.5);
    filter: brightness(1.1);
}

.download-btn:active {
    transform: scale(0.98);
}

.controls-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.controls-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.key {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-family: inherit;
    color: #fff;
    min-width: 44px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.18, 0.89, 0.32, 1.28);
    user-select: none;
    outline: none;
    margin: 2px;
}

.key:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.2), 0 4px 0 rgba(0, 0, 0, 0.4);
}

.key:active, .key.active, 
.gamepad-btn:active, .gamepad-btn.active {
    background: var(--accent-color);
    color: #000;
    transform: translateY(2px);
    box-shadow: none;
    border-color: var(--accent-color);
}

.key-container {
    display: flex;
    gap: 0.5rem;
}

#rvmplayer {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 4/3;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
}

/* Language Switcher */
.lang-switcher {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 100;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: bold;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.lang-btn.active {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #000;
}

/* Credits Footer */
.credits-footer {
    width: 100%;
    margin-top: 3rem;
    padding: 1.2rem 2rem;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.05);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.credits-footer:hover {
    background: rgba(15, 23, 42, 0.6);
    border-color: rgba(255, 0, 234, 0.4);
    box-shadow: 0 0 40px rgba(0, 243, 255, 0.15), inset 0 0 10px rgba(255, 0, 234, 0.1);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.credits-footer span {
    transition: text-shadow 0.3s ease;
}

.credits-footer:hover span {
    text-shadow: 0 0 8px rgba(0, 243, 255, 0.5);
}

.credits-footer .dot {
    color: var(--accent-color);
    opacity: 0.5;
    font-size: 1.2rem;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes title-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* Responsive UI Improvements & Mobile Gamepad */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; letter-spacing: 0.2rem; }
    .subtitle { font-size: 0.9rem; letter-spacing: 0.1rem; }
    .container { padding: 1rem 0.5rem; gap: 1rem; }
    .emulator-wrapper { 
        padding: 0.5rem; 
        border-radius: 12px;
        margin-bottom: 0.5rem;
    }
    .info-panels { 
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }
    .panel { padding: 1.5rem; border-radius: 15px; }
    .credits-footer { margin-top: 1rem; gap: 1rem; padding: 1rem; font-size: 0.65rem; }
    
    /* Show mobile-controls on small screens */
    .mobile-controls {
        display: flex !important;
    }
}

/* Mobile Controls Layer */
.mobile-controls {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    z-index: 1000;
    padding: 1rem 2rem 1.5rem 2rem;
    box-sizing: border-box;
    justify-content: space-between;
    align-items: flex-end;
    pointer-events: none;
}

.gamepad-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    pointer-events: auto;
}

.d-pad-row {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.row-middle {
    gap: 2rem;
}

.gamepad-btn {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    user-select: none;
    touch-action: pointer-events;
    transition: all 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.4);
    -webkit-tap-highlight-color: transparent;
}

.gamepad-btn svg {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.gamepad-btn:active, .gamepad-btn.active {
    background: var(--accent-color);
    border-color: var(--secondary-color);
    color: #000;
    transform: translateY(3px) scale(0.95);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
}

.gamepad-btn.fire {
    width: 80px;
    height: 80px;
    background: rgba(255, 0, 234, 0.15);
    border-color: rgba(255, 0, 234, 0.4);
    color: var(--secondary-color);
    font-weight: bold;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.gamepad-btn.fire:active, .gamepad-btn.fire.active {
    background: var(--secondary-color);
    color: #000;
    box-shadow: 0 0 25px rgba(255, 0, 234, 0.7);
}