/* SineSurf Game Styles */
.game-container {
    background: #050505;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    height: 600px;
    margin: 20px 0;
    border: 2px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

/* Game Information Section Styles */
.info-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.info-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.info-section h4 {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
}

.info-section p {
    color: #ffffff;
    line-height: 1.6;
    margin-bottom: 15px;
    font-family: 'Inter', sans-serif;
}

.info-section ul {
    color: #ffffff;
    line-height: 1.8;
    margin: 0;
    padding-left: 20px;
    font-family: 'Inter', sans-serif;
}

.info-section li {
    margin-bottom: 8px;
}

.info-section li:last-child {
    margin-bottom: 0;
}

.game-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    border-radius: 0;
    margin: 0;
}

/* Hide main site navigation and glass cards in fullscreen mode using body class */
body.fullscreen-mode header,
body.fullscreen-mode .bottom-nav,
body.fullscreen-mode .glass-card {
    display: none;
}

.game-container.fullscreen .game-header {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    z-index: 10010;
    background: rgba(10, 15, 20, 0.9);
    border-top: 1px solid rgba(0, 255, 255, 0.3);
    border-bottom: none;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.game-container.fullscreen .game-header:not(.game-active) {
    bottom: auto;
    top: 0;
    background: rgba(10, 15, 20, 0.8);
    border-top: none;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.game-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999998; /* High enough to allow settings menu to be above everything */
    background: rgba(10, 15, 20, 0.8);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 255, 255, 0.3);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto; /* Allow clicks on header during gameplay */
}

.game-header.game-active {
    top: auto;
    bottom: 0;
    border-bottom: none;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
    background: rgba(10, 15, 20, 0.9);
}

.game-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #00ffff;
    font-weight: bold;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.game-logo img {
    height: 40px;
    width: auto;
    -webkit-mask-image: radial-gradient(circle, black 70%, transparent 90%);
    mask-image: radial-gradient(circle, black 70%, transparent 90%);
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    transition: all 0.3s ease;
}

.game-logo:hover img {
    -webkit-mask-image: radial-gradient(circle, black 80%, transparent 95%);
    mask-image: radial-gradient(circle, black 80%, transparent 95%);
}

.header-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Settings Button */
.settings-btn {
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: #00ffff;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 999999; /* Ensure button is also above everything */
}

.settings-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.5);
    transform: translateY(-1px);
}

.settings-btn:hover, .fullscreen-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #00ffff;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.fullscreen-btn {
    background: rgba(0, 255, 255, 0.2);
    border: 1px solid #00ffff;
    color: #00ffff;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 32px;
    height: 32px;
}

.fullscreen-btn:hover {
    background: rgba(0, 255, 255, 0.3);
    transform: scale(1.05);
}

.fullscreen-btn i {
    width: 16px;
    height: 16px;
}

/* Settings Dropdown */
.settings-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(10, 10, 16, 0.95);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    min-width: 280px;
    z-index: 9999999; /* Maximum z-index to be above everything including game */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    pointer-events: auto; /* Ensure clickable */
}

/* When game is active, position dropdown upward instead of downward */
.game-header.game-active .settings-dropdown {
    top: auto;
    bottom: 100%;
    transform: translateY(10px);
}

.game-header.game-active .settings-dropdown.active {
    transform: translateY(0);
}

.settings-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-header h3 {
    color: #00ffff;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.close-settings {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.close-settings:hover {
    color: #ff3366;
    background: rgba(255, 51, 102, 0.1);
}

.close-settings i {
    width: 16px;
    height: 16px;
}

.settings-content {
    padding: 20px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 500;
}

.setting-label i {
    color: #00ffff;
    width: 18px;
    height: 18px;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
    pointer-events: auto; /* Ensure clickable */
}

.toggle-switch input {
    opacity: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    cursor: pointer;
    pointer-events: auto; /* Ensure clickable */
    z-index: 2; /* Above the slider to capture clicks */
    top: 0;
    left: 0;
    margin: 0;
    padding: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    border-radius: 34px;
    pointer-events: auto; /* Ensure clickable */
    z-index: 1; /* Below the input */
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    pointer-events: none; /* Prevent interference with clicks */
}

.toggle-switch input:checked + .toggle-slider {
    background: #00ffff;
    border-color: #00ffff;
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
    background: #0a0a10;
}

#canvas-container {
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
    box-sizing: border-box;
    z-index: 2000;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

#ui-layer.hud-visible {
    opacity: 1;
}

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    gap: 15px;
    margin-top: 20px;
    transition: margin-top 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.game-active .hud-top {
    margin-top: 0;
}

.stat-box {
    background: rgba(10, 15, 20, 0.85);
    border-left: 4px solid #00ffff;
    padding: 12px 20px;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: all 0.3s;
    flex: 1;
    max-width: 250px;
}

.stat-box.right-aligned {
    border-left: none;
    border-right: 4px solid #00ffff;
    border-radius: 12px 0 0 12px;
    text-align: right;
    flex: 0 0 auto;
    max-width: fit-content;
}

.status-panel {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    margin-bottom: 8px;
}

.lives-container {
    display: flex;
    gap: 6px;
}

.life-icon {
    width: 24px;
    height: 24px;
    background-color: #00ffff;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    box-shadow: 0 0 10px #00ffff;
    transition: all 0.3s;
}

.life-icon.lost {
    background-color: #ff0044; 
    box-shadow: none;
    transform: scale(0.8);
    opacity: 0.3;
}

.energy-wrapper {
    width: 150px;
    text-align: right;
}

.energy-label {
    font-size: 0.65rem;
    color: #ffaa00;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3px;
    font-weight: bold;
}

.energy-bar-bg {
    width: 100%;
    height: 6px;
    background: #222;
    border: 1px solid #444;
    border-radius: 2px;
    overflow: hidden;
}

.energy-bar-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #ffaa00, #ffff00);
    box-shadow: 0 0 10px #ffaa00;
    transition: width 0.1s linear;
}

.stat-box.danger { 
    border-color: #ff0044; 
    box-shadow: 0 0 25px rgba(255, 0, 68, 0.4); 
}

.stat-box.warning { 
    border-color: #ffaa00; 
}

.freq-display {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
    white-space: nowrap;
}

.freq-label {
    font-size: 0.8rem;
    color: #88ccff;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
    font-weight: 600;
}

.track-status {
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 8px;
    color: #aaa;
}

#countdown-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 10rem;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 30px #00ffff, 0 0 60px #00ffff;
    pointer-events: none;
    display: none;
    z-index: 2100;
    font-family: 'Segoe UI', sans-serif;
}

#instability-warning {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    color: #ff0044;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-align: center;
    text-shadow: 0 0 20px #ff0044;
    display: none;
    animation: blink 0.5s infinite alternate;
}

#damage-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 0, 0, 0.5);
    opacity: 0;
    pointer-events: none;
    z-index: 90;
    transition: opacity 0.1s;
}

@media (max-width: 600px) {
    #ui-layer { padding: 10px; }
    .freq-display { font-size: 1.6rem; }
    .freq-label { font-size: 0.7rem; }
    .stat-box { padding: 10px 15px; }
    #instability-warning { font-size: 1.2rem; top: 40%; }
    #countdown-overlay { font-size: 6rem; }
    .energy-wrapper { width: 100px; }
    .game-header {
        padding: 10px;
    }
    .game-logo {
        font-size: 1rem;
    }
    .game-logo img {
        height: 30px;
    }
    .fullscreen-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    /* Responsive start screen logo */
    .start-logo img {
        max-height: 80px;
    }
    
    .status-message {
        padding: 20px 15px;
        width: 90%;
    }
    
    h1 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .start-logo {
        margin-bottom: 20px;
    }
}

.status-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(10, 12, 18, 0.95);
    padding: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    border-top: 4px solid #00ffff;
    box-shadow: 0 30px 80px rgba(0,0,0,0.9);
    display: none;
    pointer-events: auto;
    backdrop-filter: blur(15px);
    border-radius: 4px;
    width: 85%;
    max-width: 450px;
    z-index: 2200; 
}

.start-logo {
    margin-bottom: 20px;
}

/* Menu Step Transitions */
.menu-step {
  transition: all 0.4s ease;
  opacity: 1;
  transform: translateY(0);
}

.menu-step.hidden {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

/* Instructions Text */
.instructions {
  color: #ffffff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 25px;
  text-align: center;
  transition: all 0.4s ease;
}

.instructions.hidden {
  opacity: 0;
  transform: translateY(-10px);
  margin-bottom: 0;
}

/* Home Button Icon - Top Right */
.home-button-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  color: #00ffff;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  z-index: 999999;
}

.home-button-icon:hover {
  background: rgba(0, 255, 255, 0.2);
  border-color: rgba(0, 255, 255, 0.5);
  transform: scale(1.05);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.home-button-icon:active {
  transform: scale(0.95);
}

.home-button-icon i {
  font-size: 18px;
  transition: transform 0.3s ease;
}
.back-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    align-self: flex-start;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateX(-2px);
    color: #00ffff;
}

.back-button:active {
    transform: translateX(0);
    background: rgba(255, 255, 255, 0.15);
}

.back-button i {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.back-button:hover i {
    transform: translateX(-2px);
}

/* Selected Mode Display */
.selected-mode-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 25px;
  padding: 15px;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 8px;
  color: #00ffff;
  font-size: 1.1rem;
  font-weight: 600;
  animation: slideUp 0.4s ease;
}

.selected-mode-display i {
  color: #00ff88;
  font-size: 20px;
}

/* Game Mode Selection */
.game-mode-selection {
    margin: 25px 0;
    text-align: left;
}

.game-mode-selection h3 {
    color: #00ffff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

.mode-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mode-option {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.mode-option:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: rgba(0, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 255, 0.2);
}

.mode-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.mode-option input[type="radio"]:checked + .mode-label {
    background: rgba(0, 255, 255, 0.15);
    border-color: #00ffff;
}

.mode-option input[type="radio"]:checked + .mode-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    animation: pulse 2s infinite;
}

.mode-label {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 5px;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.mode-label i {
    color: #00ffff;
    font-size: 18px;
    flex-shrink: 0;
}

.mode-label strong {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
}

.mode-label small {
    color: #888;
    font-size: 0.8rem;
    display: block;
    margin-top: 2px;
}

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

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

.start-logo {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.start-logo img {
    max-width: 100%;
    max-height: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.3));
    transition: all 0.3s ease;
    -webkit-mask-image: radial-gradient(circle, black 60%, transparent 90%);
    mask-image: radial-gradient(circle, black 60%, transparent 90%);
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

.start-logo img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 30px rgba(0, 255, 255, 0.5));
    -webkit-mask-image: radial-gradient(circle, black 70%, transparent 95%);
    mask-image: radial-gradient(circle, black 70%, transparent 95%);
}

.game-over-logo {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.game-over-logo img {
    max-width: 100%;
    max-height: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.4));
    transition: all 0.3s ease;
    -webkit-mask-image: radial-gradient(circle, black 65%, transparent 90%);
    mask-image: radial-gradient(circle, black 65%, transparent 90%);
    -webkit-mask-size: 100% 100%;
    mask-size: 100% 100%;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
}

.game-over-logo img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 25px rgba(255, 0, 0, 0.6));
    -webkit-mask-image: radial-gradient(circle, black 75%, transparent 95%);
    mask-image: radial-gradient(circle, black 75%, transparent 95%);
}

h1 { 
    margin: 0 0 20px 0; 
    color: #fff; 
    text-transform: uppercase; 
    letter-spacing: 4px;
    font-size: 1.8rem;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

p { 
    margin: 10px 0 30px 0; 
    font-size: 1rem; 
    color: #ccd; 
    line-height: 1.6; 
}

button {
    background: #fff;
    color: #000;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 900;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.2s ease;
    width: 100%;
}

button:hover {
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.controls-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    letter-spacing: 2px;
    text-align: center;
    width: 100%;
    font-weight: bold;
    text-shadow: 0 0 5px black;
}

.scanlines {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%);
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 10;
}

.vignette {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle, transparent 50%, rgba(0,0,0,0.8) 100%);
    pointer-events: none;
    z-index: 9;
}

#blackout-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: black;
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transition: opacity 2s ease-in;
}

#freq-graph {
    width: 100%;
    height: 30px;
    background: rgba(0,0,0,0.5);
    margin-top: 5px;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.1);
}

.graph-center-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(255,255,255,0.3);
    z-index: 1;
}

.graph-bar {
    position: absolute;
    bottom: 0;
    width: 4px;
    background: #00ffff;
    transition: height 0.1s;
    z-index: 2;
}

@keyframes blink {
    from { opacity: 1; }
    to { opacity: 0.5; }
}