/* ============================================
   SECURITY+ DUNGEON - Main Stylesheet
   Modern Cyberpunk/Anime Gaming Aesthetic
   ============================================ */

/* CSS Variables */
:root {
    /* Core Colors */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    
    /* Neon Colors */
    --neon-cyan: #00f5ff;
    --neon-pink: #ff00ff;
    --neon-purple: #bf00ff;
    --neon-green: #00ff88;
    --neon-yellow: #ffff00;
    --neon-orange: #ff6b00;
    --neon-red: #ff0055;
    
    /* Domain Colors */
    --domain1-primary: #00f5ff;
    --domain1-secondary: #0088ff;
    --domain2-primary: #ff0055;
    --domain2-secondary: #ff00ff;
    --domain3-primary: #bf00ff;
    --domain3-secondary: #8000ff;
    --domain4-primary: #00ff88;
    --domain4-secondary: #00ffcc;
    --domain5-primary: #ffaa00;
    --domain5-secondary: #ff6b00;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, #00f5ff 0%, #bf00ff 50%, #ff00ff 100%);
    --gradient-fire: linear-gradient(135deg, #ff6b00 0%, #ff0055 100%);
    --gradient-ice: linear-gradient(135deg, #00f5ff 0%, #0088ff 100%);
    --gradient-poison: linear-gradient(135deg, #00ff88 0%, #00ffcc 100%);
    --gradient-dark: linear-gradient(135deg, #bf00ff 0%, #8000ff 100%);
    --gradient-gold: linear-gradient(135deg, #ffaa00 0%, #ff6b00 100%);
    
    /* Shadows */
    --shadow-neon-cyan: 0 0 20px rgba(0, 245, 255, 0.5), 0 0 40px rgba(0, 245, 255, 0.3);
    --shadow-neon-pink: 0 0 20px rgba(255, 0, 255, 0.5), 0 0 40px rgba(255, 0, 255, 0.3);
    --shadow-neon-green: 0 0 20px rgba(0, 255, 136, 0.5), 0 0 40px rgba(0, 255, 136, 0.3);
    
    /* Fonts */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-pixel: 'Press Start 2P', cursive;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Matrix Canvas */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4;
}

/* Scanlines Overlay */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 3px
    );
}

/* Main Container */
.container {
    position: relative;
    z-index: 100;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   HEADER STYLES
   ============================================ */
.header {
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: fadeInDown 0.8s ease-out;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-lg);
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(0, 245, 255, 0.2) 0%, transparent 70%);
    filter: blur(40px);
    animation: pulse 3s ease-in-out infinite;
}

.main-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.2em;
}

.title-security {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(0, 245, 255, 0.5));
    animation: glowPulse 2s ease-in-out infinite;
}

.title-plus {
    color: var(--neon-pink);
    text-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink);
    animation: pulsePlus 1.5s ease-in-out infinite;
}

.title-dungeon {
    background: linear-gradient(135deg, #ff00ff 0%, #ff6b00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(255, 0, 255, 0.5));
}

.subtitle {
    font-family: var(--font-display);
    font-size: clamp(0.8rem, 2vw, 1.2rem);
    letter-spacing: 0.5em;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
    text-transform: uppercase;
}

/* Fire Text Effect */
.fire-text {
    background: linear-gradient(180deg, #fff 0%, #ff0 20%, #ff8c00 40%, #ff4500 60%, #ff0000 80%, #8b0000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fire-flicker 0.5s ease-in-out infinite alternate;
    text-shadow: 0 0 10px #ff4500, 0 0 20px #ff0000, 0 0 30px #ff4500;
    font-size: clamp(1rem, 2.5vw, 1.5rem) !important;
    letter-spacing: 0.3em !important;
}

@keyframes fire-flicker {
    0% {
        filter: brightness(1) drop-shadow(0 0 5px #ff4500);
    }
    100% {
        filter: brightness(1.2) drop-shadow(0 0 15px #ff0000);
    }
}

/* Stats Bar */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.stat-icon {
    font-size: 1.5rem;
}

.stat-label {
    color: var(--text-secondary);
}

/* ============================================
   DUNGEON GRID
   ============================================ */
.dungeon-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-lg);
    flex: 1;
}

/* Dungeon Card */
.dungeon-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    animation: fadeInUp 0.6s ease-out backwards;
    flex: 0 1 320px;
    max-width: 380px;
}

.dungeon-card:nth-child(1) { animation-delay: 0.1s; }
.dungeon-card:nth-child(2) { animation-delay: 0.2s; }
.dungeon-card:nth-child(3) { animation-delay: 0.3s; }
.dungeon-card:nth-child(4) { animation-delay: 0.4s; }
.dungeon-card:nth-child(5) { animation-delay: 0.5s; }

/* Domain-specific colors */
.dungeon-card[data-domain="1"] { --card-color: var(--domain1-primary); --card-gradient: var(--gradient-ice); }
.dungeon-card[data-domain="2"] { --card-color: var(--domain2-primary); --card-gradient: var(--gradient-fire); }
.dungeon-card[data-domain="3"] { --card-color: var(--domain3-primary); --card-gradient: var(--gradient-dark); }
.dungeon-card[data-domain="4"] { --card-color: var(--domain4-primary); --card-gradient: var(--gradient-poison); }
.dungeon-card[data-domain="5"] { --card-color: var(--domain5-primary); --card-gradient: var(--gradient-gold); }

.dungeon-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--card-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
                0 0 30px color-mix(in srgb, var(--card-color) 30%, transparent);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.dungeon-card:hover .card-glow {
    opacity: 0.1;
}

.card-content {
    position: relative;
    z-index: 1;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Boss Portrait */
.boss-portrait {
    position: relative;
    margin-bottom: var(--space-md);
}

.portrait-frame {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    padding: 4px;
    background: var(--card-gradient);
    box-shadow: 0 0 20px color-mix(in srgb, var(--card-color) 40%, transparent);
    transition: all var(--transition-normal);
}

.dungeon-card:hover .portrait-frame {
    box-shadow: 0 0 40px color-mix(in srgb, var(--card-color) 60%, transparent);
    transform: scale(1.05);
}

.boss-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-color: var(--bg-darker);
}

/* Boss Images - SVG Patterns */
.boss-sentinel {
    background: linear-gradient(135deg, #001a33 0%, #003366 100%);
    position: relative;
}
.boss-sentinel::after {
    content: '🛡️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
}

.boss-phantom {
    background: linear-gradient(135deg, #330011 0%, #660033 100%);
    position: relative;
}
.boss-phantom::after {
    content: '👻';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
}

.boss-architect {
    background: linear-gradient(135deg, #1a0033 0%, #4d0099 100%);
    position: relative;
}
.boss-architect::after {
    content: '🏗️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
}

.boss-warden {
    background: linear-gradient(135deg, #003322 0%, #006644 100%);
    position: relative;
}
.boss-warden::after {
    content: '⚔️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
}

.boss-overseer {
    background: linear-gradient(135deg, #332200 0%, #664400 100%);
    position: relative;
}
.boss-overseer::after {
    content: '👁️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
}

.boss-level {
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-gradient);
    padding: 4px 12px;
    border-radius: 20px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Dungeon Info */
.dungeon-info {
    width: 100%;
}

.dungeon-name {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--card-color);
    margin-bottom: var(--space-xs);
    text-shadow: 0 0 20px color-mix(in srgb, var(--card-color) 50%, transparent);
}

.dungeon-domain {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.domain-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.question-count {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.count-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--card-color);
    text-shadow: 0 0 20px color-mix(in srgb, var(--card-color) 50%, transparent);
}

.count-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Card Decoration */
.card-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--card-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.dungeon-card:hover .card-decoration {
    transform: scaleX(1);
}

/* ============================================
   MODAL STYLES
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--card-color, var(--neon-cyan));
    box-shadow: 0 0 60px color-mix(in srgb, var(--card-color, var(--neon-cyan)) 30%, transparent);
    animation: modalSlideIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 1.2rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--neon-red);
    color: white;
    transform: rotate(90deg);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-boss-portrait {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    padding: 3px;
    background: var(--card-gradient, var(--gradient-main));
    flex-shrink: 0;
}

.modal-boss-portrait .boss-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.modal-boss-info {
    flex: 1;
}

.modal-boss-info h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--card-color, var(--neon-cyan));
    margin-bottom: var(--space-xs);
}

.modal-boss-info p {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.modal-body h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: var(--space-xs);
}

.select-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

/* Set Selection Grid */
.set-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.set-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.set-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--card-color, var(--neon-cyan));
    transform: translateX(8px);
    box-shadow: 0 0 20px color-mix(in srgb, var(--card-color, var(--neon-cyan)) 20%, transparent);
}

.set-button-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.set-button-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.set-button-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.set-button-arrow {
    font-size: 1.5rem;
    color: var(--card-color, var(--neon-cyan));
    transition: transform var(--transition-fast);
}

.set-button:hover .set-button-arrow {
    transform: translateX(5px);
}

.set-button.full-dungeon {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-color: var(--card-color, var(--neon-cyan));
}

.set-button.full-dungeon .set-button-title {
    color: var(--card-color, var(--neon-cyan));
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    text-align: center;
    padding: var(--space-lg) 0;
    margin-top: auto;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes glowPulse {
    0%, 100% { filter: drop-shadow(0 0 30px rgba(0, 245, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 50px rgba(0, 245, 255, 0.8)); }
}

@keyframes pulsePlus {
    0%, 100% { 
        text-shadow: 0 0 20px var(--neon-pink), 0 0 40px var(--neon-pink);
        transform: scale(1);
    }
    50% { 
        text-shadow: 0 0 30px var(--neon-pink), 0 0 60px var(--neon-pink), 0 0 80px var(--neon-pink);
        transform: scale(1.1);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }
    
    .stats-bar {
        gap: var(--space-md);
        padding: var(--space-sm) var(--space-md);
    }
    
    .stat-item {
        font-size: 0.75rem;
    }
    
    .dungeon-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .modal-header {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-content {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .main-title {
        flex-direction: column;
        gap: 0;
    }
    
    .subtitle {
        letter-spacing: 0.2em;
    }
}

/* ============================================
   PBQ CARD STYLES
   ============================================ */
.pbq-card {
    --card-color: #ffcc00;
    --card-gradient: linear-gradient(135deg, #ffcc00 0%, #ff9900 100%);
}

.pbq-glow {
    background: radial-gradient(ellipse at center, rgba(255, 204, 0, 0.15) 0%, transparent 70%);
}

.pbq-frame {
    background: var(--card-gradient);
}

.boss-pbq {
    font-size: 3rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a4e 100%);
}

.pbq-level {
    background: linear-gradient(135deg, #ffcc00 0%, #ff9900 100%);
    color: #1a1a2e;
    font-weight: bold;
}

.pbq-name {
    background: var(--card-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pbq-tag {
    background: rgba(255, 204, 0, 0.2);
    color: #ffcc00;
}

.pbq-decoration {
    background: var(--card-gradient);
}

.dungeon-card.pbq-card:hover {
    border-color: #ffcc00;
    box-shadow: 0 0 30px rgba(255, 204, 0, 0.3);
}

.dungeon-card.pbq-card:hover .card-glow {
    opacity: 1;
}

/* ============================================
   SKIP SECTION & KEYBOARD HINTS
   ============================================ */

/* Skip Section */
.skip-section {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    padding: 10px;
}

.skip-btn {
    background: transparent;
    border: 2px solid #00ff88;
    color: #00ff88;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skip-btn:hover {
    background: rgba(0, 255, 136, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
}

.skip-btn:active {
    transform: translateY(0);
}

.skipped-count-badge {
    background: rgba(0, 255, 136, 0.2);
    border: 1px solid #00ff88;
    color: #00ff88;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 12px;
    animation: pulse 2s infinite;
}

.skipped-count-badge.hidden {
    display: none;
}

/* Keyboard Hint */
.keyboard-hint {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    color: rgba(0, 255, 136, 0.6);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.keyboard-hint kbd {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: #00ff88;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    margin: 0 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 5px rgba(0, 255, 136, 0.3);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    }
}