/* ========================================
   NEBULA DRIFT — Stylesheet
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow: hidden;
    background: #000;
    font-family: 'Rajdhani', sans-serif;
    color: #fff;
    cursor: crosshair;
    user-select: none;
}

canvas {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
}

/* ========================================
   EFFECTS (Damage, Flash, Border Glow)
   ======================================== */
.damage-vignette {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    box-shadow: inset 0 0 150px rgba(255, 0, 0, 0.6);
    pointer-events: none;
    z-index: 10;
    animation: pulseDamage 1s infinite alternate;
}

.screen-flash {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: white;
    pointer-events: none;
    z-index: 90;
    opacity: 0;
    transition: opacity 0.1s;
}

.screen-flash.flash-white { background: white; opacity: 0.8; }
.screen-flash.flash-color { opacity: 0.5; }

body.combo-border {
    box-shadow: inset 0 0 50px rgba(100, 200, 255, 0.5);
}

@keyframes pulseDamage {
    from { box-shadow: inset 0 0 100px rgba(255, 0, 0, 0.4); }
    to { box-shadow: inset 0 0 200px rgba(255, 0, 0, 0.8); }
}

/* ========================================
   SCREENS
   ======================================== */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    animation: fadeIn 0.6s ease;
}

.screen.hidden { display: none; }
.hidden { display: none !important; }

.screen-content {
    text-align: center;
    padding: 3rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 20px;
    border: 1px solid rgba(100, 200, 255, 0.2);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

/* Start Screen */
.game-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 6rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 0.15em;
    text-shadow:
        0 0 20px rgba(100, 200, 255, 0.5),
        0 0 60px rgba(100, 200, 255, 0.3);
    margin-bottom: 1rem;
    animation: titlePulse 3s ease-in-out infinite;
}

.accent {
    background: linear-gradient(135deg, #00d4ff, #7b2ff7, #ff2ecb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(123, 47, 247, 0.5));
}

.accent-red {
    background: linear-gradient(135deg, #ff4444, #ff2ecb, #ff8800);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(255, 68, 68, 0.5));
}

.subtitle {
    font-size: 1.4rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 3rem;
}

/* Mode Select */
.mode-select {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.mode-btn {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.8rem 1.8rem;
    border: 1px solid rgba(100, 200, 255, 0.3);
    border-radius: 30px;
    background: rgba(100, 200, 255, 0.05);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    border-color: rgba(100, 200, 255, 0.8);
    color: #fff;
    background: rgba(100, 200, 255, 0.15);
}

.mode-btn.active {
    border-color: #00d4ff;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(123, 47, 247, 0.25));
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

/* Network Radmin Panel */
.net-panel {
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 0.4s ease;
}

.net-status {
    font-size: 0.9rem;
    color: #64c8ff;
    letter-spacing: 0.1em;
    background: rgba(100, 200, 255, 0.08);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    border: 1px solid rgba(100, 200, 255, 0.2);
}

.net-box {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(100, 200, 255, 0.2);
}

.net-option {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
}

.net-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.15em;
}

.net-divider {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 700;
}

.btn-net {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.6rem 1.4rem;
    border: 1px solid rgba(0, 212, 255, 0.4);
    border-radius: 8px;
    background: rgba(0, 212, 255, 0.1);
    color: #64c8ff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-net:hover {
    background: rgba(0, 212, 255, 0.25);
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.btn-copy {
    background: none;
    border: none;
    color: #64c8ff;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.room-display {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.room-code {
    color: #ffcc00;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.join-row {
    display: flex;
    gap: 0.5rem;
}

.net-input {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 200, 255, 0.3);
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    outline: none;
}

.net-input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

/* Controls Info */
.controls-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.control-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.group-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    margin-right: 0.5rem;
}

.control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.key {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(100, 200, 255, 0.3);
    border-radius: 8px;
    background: rgba(100, 200, 255, 0.05);
    color: #64c8ff;
    letter-spacing: 0.1em;
}

.label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Play Button */
.btn-play {
    position: relative;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    padding: 1.1rem 3.5rem;
    border: 2px solid rgba(100, 200, 255, 0.4);
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.1), rgba(123, 47, 247, 0.1));
    color: #fff;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-play:hover {
    border-color: rgba(100, 200, 255, 0.8);
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.2), rgba(123, 47, 247, 0.2));
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(100, 200, 255, 0.3);
}

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

.btn-glow {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(100, 200, 255, 0.15) 0%, transparent 60%);
    animation: btnGlow 3s ease-in-out infinite;
    pointer-events: none;
}

/* ========================================
   HUD
   ======================================== */
.hud {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.5rem 2.5rem;
    z-index: 50;
    pointer-events: none;
    animation: slideDown 0.5s ease;
}

.hud-left, .hud-center, .hud-right {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.hud-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.hud-label {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.65rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.35);
}

.hud-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 0 15px rgba(100, 200, 255, 0.4);
    transition: color 0.3s;
}

.score-glow {
    color: #ffcc00 !important;
    text-shadow: 0 0 20px rgba(255, 204, 0, 0.8) !important;
    animation: goldPulse 1s infinite alternate;
}

/* Bars */
.energy-bar, .powerup-bar, .boss-bar {
    width: 140px;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 4px;
    border: 1px solid rgba(100, 200, 255, 0.15);
}

.boss-bar { width: 300px; border-color: rgba(255, 68, 68, 0.4); margin-bottom: 20px;}

.energy-fill {
    width: 100%; height: 100%;
    background: linear-gradient(90deg, #00d4ff, #7b2ff7, #ff2ecb);
    transition: width 0.1s linear;
}
.powerup-fill {
    width: 100%; height: 100%;
    background: #fff;
    transition: width 0.1s linear;
}
.boss-fill {
    width: 100%; height: 100%;
    background: linear-gradient(90deg, #ff0000, #ff8800);
    transition: width 0.1s linear;
}

/* Shield Icons */
.shield-icons {
    display: flex; gap: 6px; margin-top: 4px;
}
.shield-icon {
    width: 14px; height: 14px; border-radius: 50%;
    background: radial-gradient(circle, #00d4ff, #0088cc);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.5);
    transition: all 0.3s ease;
}
.shield-icon.lost { background: rgba(255, 255, 255, 0.1); box-shadow: none; }

.mute-btn {
    pointer-events: auto;
    background: none; border: none; font-size: 1.5rem; cursor: pointer; color: white;
    opacity: 0.5; transition: opacity 0.2s;
}
.mute-btn:hover { opacity: 1; }

/* ========================================
   WAVE ANNOUNCEMENT
   ======================================== */
.wave-announce {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    z-index: 80; pointer-events: none;
}
.wave-text {
    font-family: 'Orbitron', sans-serif; font-size: 4rem; font-weight: 900;
    letter-spacing: 0.2em; color: #fff;
    text-shadow: 0 0 30px rgba(100, 200, 255, 0.6), 0 0 80px rgba(123, 47, 247, 0.4);
    animation: waveIn 2s ease forwards;
}

/* ========================================
   GAME OVER
   ======================================== */
.gameover-title {
    font-family: 'Orbitron', sans-serif; font-size: 4rem; font-weight: 900;
    line-height: 1.1; letter-spacing: 0.1em; margin-bottom: 2.5rem;
}
.final-stats {
    display: flex; flex-direction: column; gap: 0.8rem; margin-bottom: 2.5rem;
    padding: 1.5rem 2rem; border-radius: 16px;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.06);
}
.stat-row { display: flex; justify-content: space-between; align-items: center; padding: 0.3rem 0; }
.stat-row.best-row { border-top: 1px solid rgba(255, 200, 0, 0.15); padding-top: 0.8rem; margin-top: 0.3rem; }
.stat-label { font-size: 1rem; color: rgba(255, 255, 255, 0.5); letter-spacing: 0.05em; }
.stat-value { font-family: 'Orbitron', sans-serif; font-size: 1.3rem; font-weight: 700; color: #64c8ff; }
.best-row .stat-value { color: #ffc800; text-shadow: 0 0 15px rgba(255, 200, 0, 0.4); }

.pause-title {
    font-family: 'Orbitron', sans-serif; font-size: 4rem; font-weight: 900;
    letter-spacing: 0.3em; text-shadow: 0 0 30px rgba(100, 200, 255, 0.4); margin-bottom: 1rem;
}

/* ANIMATIONS */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes titlePulse { 0%, 100% { text-shadow: 0 0 20px rgba(100, 200, 255, 0.5); } 50% { text-shadow: 0 0 40px rgba(100, 200, 255, 0.7); } }
@keyframes btnGlow { 0%, 100% { transform: rotate(0deg); } 50% { transform: rotate(180deg); } }
@keyframes waveIn { 0% { opacity: 0; transform: scale(0.5); letter-spacing: 1em; } 20% { opacity: 1; transform: scale(1.05); } 30% { transform: scale(1); } 70% { opacity: 1; } 100% { opacity: 0; transform: scale(1.2); letter-spacing: 0.5em; } }
@keyframes goldPulse { from { filter: brightness(1); } to { filter: brightness(1.5); } }

/* ========================================
   MULTIPLAYER NETWORK PANEL
   ======================================== */
.conn-type-select {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ip-input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.ip-input {
    font-family: 'Orbitron', monospace;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 200, 255, 0.3);
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    outline: none;
    width: 200px;
}

.ip-input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.ip-port-input {
    font-family: 'Orbitron', monospace;
    font-size: 0.85rem;
    padding: 0.6rem 0.5rem;
    border-radius: 8px;
    border: 1px solid rgba(100, 200, 255, 0.3);
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    outline: none;
    width: 70px;
}

.ip-port-input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.4);
}

.net-status-hud {
    position: fixed;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 60;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(100, 200, 255, 0.2);
}

.net-status-hud .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.net-status-hud .status-dot.connected {
    background: #00ff00;
    box-shadow: 0 0 8px #00ff00;
}

.net-status-hud .status-dot.connecting {
    background: #ffcc00;
    box-shadow: 0 0 8px #ffcc00;
    animation: pulseDamage 1s infinite alternate;
}

.net-status-hud .status-dot.disconnected {
    background: #ff0000;
    box-shadow: 0 0 8px #ff0000;
}

.net-status-hud .ping-value {
    font-family: 'Orbitron', monospace;
    font-size: 0.7rem;
    color: #fff;
}

.conn-status {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem;
    color: #fff;
    margin-top: 0.5rem;
    animation: fadeIn 0.3s ease;
}

.reconnect-banner {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 136, 0, 0.8);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    z-index: 100;
    border: 1px solid #ffcc00;
    box-shadow: 0 0 20px rgba(255, 136, 0, 0.5);
    animation: titlePulse 2s infinite;
}

.net-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.net-tab {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    border-bottom: 2px solid transparent;
}

.net-tab:hover {
    color: #fff;
}

.net-tab.active {
    color: #00d4ff;
    border-bottom: 2px solid #00d4ff;
}

.net-tab-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.btn-copy-ip {
    background: rgba(100, 200, 255, 0.1);
    border: 1px solid rgba(100, 200, 255, 0.3);
    color: #00d4ff;
    cursor: pointer;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.2s ease;
}

.btn-copy-ip:hover {
    background: rgba(100, 200, 255, 0.2);
    border-color: #00d4ff;
}

.server-info {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(123, 47, 247, 0.4);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1rem;
}

.server-ip {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    color: #ffcc00;
    margin: 0.5rem 0;
    font-weight: 700;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .game-title { font-size: 3.5rem; }
    .controls-info { flex-direction: column; gap: 1.5rem; }
    .hud { padding: 1rem 1.5rem; }
    .hud-value { font-size: 1.2rem; }
    .gameover-title { font-size: 2.8rem; }
    .wave-text { font-size: 2.5rem; }
    .net-box { flex-direction: column; padding: 1rem; }
    .ip-input-group { flex-direction: column; }
    .ip-input { width: 100%; }
}