/**
 * ============================================================================
 * STYLES.CSS - Thuis Oefenen Educational Application
 * ============================================================================
 * 
 * Copyright (c) 2025 Rogier Wijsman. All Rights Reserved.
 * 
 * UNAUTHORIZED COPYING, DISTRIBUTION, OR MODIFICATION OF THIS SOFTWARE,
 * VIA ANY MEDIUM, IS STRICTLY PROHIBITED WITHOUT EXPLICIT WRITTEN PERMISSION.
 * 
 * This software is proprietary and confidential.
 * 
 * For licensing inquiries, contact: rogier.wijsman@getdatawise.nl
 * ============================================================================
 */

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

body {
    font-family: 'Andika', sans-serif;
    /* Andika is een speciaal lettertype voor beginnende lezers */
    background-color: #f3f4f6;
    overflow: hidden;
}

.handwritten {
    font-family: 'Fredoka', sans-serif;
}

/* Getallenlijn Stijlen */
.number-line {
    position: relative;
    height: 4px;
    background: #374151;
    margin: 60px 20px;
}

.tick {
    position: absolute;
    top: -10px;
    height: 24px;
    width: 2px;
    background: #4b5563;
    /* Gray-600 */
    transform: translateX(-50%);
}

.tick.minor {
    height: 10px;
    top: -3px;
    width: 1px;
    background: #9ca3af;
    /* Gray-400 */
}

.tick.mid {
    height: 16px;
    top: -6px;
    width: 1.5px;
    background: #6b7280;
    /* Gray-500 */
}

.tick-label {
    position: absolute;
    top: 24px;
    transform: translateX(-50%);
    font-weight: bold;
    color: #374151;
    font-size: 14px;
}

.arrow-marker {
    position: absolute;
    top: -55px;
    left: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ef4444;
    /* Rood */
    font-size: 36px;
    z-index: 10;
    animation: arrow-bounce 2s infinite;
}

@keyframes arrow-bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-15px);
    }
}

.hidden-answer {
    opacity: 0;
    user-select: none;
    transition: opacity 0.3s ease;
}

.revealed {
    opacity: 1;
}

/* Schoolbord lijntjes voor schrijven */
.writing-lines {
    background-image: linear-gradient(#a5b4fc 1px, transparent 1px);
    background-size: 100% 1.5em;
    line-height: 1.5em;
}

/* Custom Scrollbar */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Hide scrollbar utility */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}