/* sudoku.css - volledige versie met correcte afbeeldingweergave */

/* Eerdere CSS blijft hetzelfde */

/* Specifieke styling voor de tekstuele tabelweergave */
#textualOutput {
    width: 100%;
    max-width: 800px;
    min-height: 600px;
    border: 2px solid #004080;
    background-color: white;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    text-align: left;
    font-family: monospace;
    font-size: 20px;
    line-height: 1.8;
}

.exercise-line {
    margin-bottom: 10px;
    white-space: nowrap;
}

.exercise-line span {
    display: inline-block;
    min-width: 40px;
    text-align: center;
}

.hidden-number {
    text-decoration: underline;
}

/* Styling voor de dropdown voor takken */
.control-group #branchLetter {
    width: auto;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #aaddff;
    font-size: 1em;
}

/* Algemene layout en structuur */
body {
    font-family: Arial, sans-serif;
    background-color: #e0f2f7;
    text-align: center;
    padding: 20px;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 10px;
    box-sizing: border-box;
}

h1 {
    color: #004080;
    font-size: 2em;
    text-align: left;
    margin-right: auto;
    margin-left: 220px;
}

button {
    font-family: Arial, sans-serif;
    background-color: #004080;
    color: white;
    border: none;
    padding: 12px 18px;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    margin: 5px;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

button:hover {
    background-color: #0056b3;
}

#main-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    width: 100%;
    max-width: 1200px;
    gap: 20px;
    margin-bottom: 20px;
}

#left-panel {
    flex-basis: 380px;
    flex-shrink: 0;
    padding: 15px;
    border: 1px solid #b3e0ff;
    border-radius: 8px;
    background-color: #f0faff;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-sizing: border-box;
    margin-right: auto;
    margin-left: 0;
    text-align: left;
}

#center-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    padding: 0;
    box-sizing: border-box;
    gap: 20px;
}

#drawingCanvasContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    box-sizing: border-box;
    background-color: #f8f8f8;
    border: 2px solid #004080;
}

#mainCanvas {
    background-color: white;
    display: block;
    margin: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: 2px solid #004080;
    max-width: 100%;
    height: auto;
}

#right-panel-buttons {
    flex-basis: 200px;
    flex-shrink: 0;
    padding: 15px;
    border: 1px solid #b3e0ff;
    border-radius: 8px;
    background-color: #f0faff;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: 0;
    align-items: center;
}

#example-image-container {
    width: 100%;
    border: 1px dashed #004080;
    padding: 5px;
    box-sizing: border-box;
}

#example-image-container img {
    max-width: 100%;
    height: auto;
    display: block;
}

#right-panel-buttons .control-group {
    width: 100%;
}

#right-panel-buttons button {
    width: 100%;
    margin: 0;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.tool-setting {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.tool-setting label {
    flex-shrink: 0;
    white-space: nowrap;
}

#controls {
    width: 100%;
    padding: 0;
    border: none;
    background-color: transparent;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
}

#controls label {
    font-weight: bold;
    color: #333;
}

#controls input[type="number"],
#controls select {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #aaddff;
    font-size: 1em;
}

#outputJson {
    width: 100%;
    height: 150px;
    font-family: monospace;
    font-size: 14px;
    margin: 0;
    border: 1px solid #aaddff;
    border-radius: 5px;
    padding: 10px;
    resize: vertical;
    box-sizing: border-box;
}

.control-group h3 {
    color: #004080;
    font-size: 1.3em;
    margin-top: 0;
    margin-bottom: 10px;
    text-align: center;
    width: 100%;
}

.image-previews-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    background-color: #eaf8ff;
    border: 1px solid #b3e0ff;
    border-radius: 5px;
    max-height: 300px;
    overflow-y: auto;
}

.theme-image-wrapper {
    width: 75px;
    height: 75px;
    padding: 3px;
    border: 2px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.2s ease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
}

.theme-image-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 3px;
    display: block;
    margin: auto;
    image-rendering: auto;
}

.theme-image-wrapper.selected {
    border-color: #004080;
    background-color: #d4ebff;
    transform: scale(1.05);
}

.theme-image-wrapper:not(.selected):hover {
    border-color: #8acfff;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    image-rendering: auto;
}

canvas {
    display: block;
    margin: auto;
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    #main-content {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    #left-panel,
    #center-panel,
    #right-panel-buttons {
        flex-basis: auto;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    #controls,
    #center-panel {
        align-items: center;
        gap: 10px;
    }

    #right-panel-buttons button {
        width: auto;
        min-width: 150px;
    }
}