/* Custom scrollbar configurations */
.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #475569;
}

/* Karaoke audio subtitles highlight */
.karaoke-word {
    transition: all 0.2s ease;
    padding: 1px 3.5px;
    margin: 0 1.5px;
    border-radius: 0;
    display: inline-block;
}
.karaoke-highlight {
    background-color: #2dd4bf !important;
    color: #020617 !important;
    transform: scale(1.08);
    box-shadow: 0 0 12px rgba(45, 212, 191, 0.6);
    font-weight: 900 !important;
}
#theaterScript {
    line-height: 1.8 !important;
}

/* Paper texture effect for IELTS leaflet and questions cards */
.paper-texture {
    background-color: #ffffff;
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Scanner laser animation on the map canvas */
.scanner-line {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 10%;
    background: linear-gradient(to bottom, transparent, rgba(20, 184, 166, 0.4), transparent);
    box-shadow: 0 0 15px rgba(20, 184, 166, 0.5);
    z-index: 20;
}
.scanning .scanner-line {
    animation: scan 3s ease-in-out infinite;
}
@keyframes scan {
    0% { top: -10%; }
    50% { top: 100%; }
    100% { top: -10%; }
}

/* State machine log highlight classes */
.log-rejected {
    background-color: rgba(159, 18, 57, 0.4) !important;
    border: 1px solid rgba(244, 63, 94, 0.5) !important;
    animation: shakeX 1s;
}
.log-healing {
    background-color: rgba(30, 58, 138, 0.4) !important;
    border: 1px solid rgba(59, 130, 246, 0.5) !important;
    animation: pulse 2s infinite;
}
.log-passed {
    background-color: rgba(6, 78, 59, 0.2) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 15px rgba(20, 184, 166, 0.4);
        border-color: rgba(20, 184, 166, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(20, 184, 166, 0.8);
        border-color: rgba(20, 184, 166, 1);
    }
}
.btn-next-highlight {
    animation: pulse-glow 2s infinite;
    border-width: 2px !important;
}