/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Estilos da barra lateral */
.sidebar {
    width: 400px;
    background-color: #fff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    overflow-y: auto;
}

.logo h1 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.settings-section h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.setting-group {
    margin-bottom: 15px;
}

.setting-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 0.9rem;
}

.setting-group.checkbox {
    display: flex;
    align-items: center;
}

.setting-group.checkbox label {
    margin-bottom: 0;
    margin-left: 8px;
}

.setting-group input[type="text"],
.setting-group input[type="number"],
.setting-group textarea,
.setting-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.3s;
}

.setting-group textarea {
    min-height: 80px;
    resize: vertical;
}

.setting-group input[type="text"]:focus,
.setting-group input[type="number"]:focus,
.setting-group textarea:focus,
.setting-group select:focus {
    border-color: #3498db;
    outline: none;
}

.button-group {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

button {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.primary-btn {
    background-color: #3498db;
    color: white;
}

.primary-btn:hover:not(:disabled) {
    background-color: #2980b9;
}

.export-btn {
    background-color: #2ecc71;
    color: white;
}

.export-btn:hover:not(:disabled) {
    background-color: #27ae60;
}

/* Estilos da área de pré-visualização */
.preview-area {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.page-navigation {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-navigation button {
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #ddd;
}

.page-navigation button:hover:not(:disabled) {
    background-color: #e9ecef;
}

.preview-container {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: auto;
}

#preview-canvas {
    max-width: 100%;
    max-height: 100%;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}

/* Estilos responsivos */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        max-height: 50vh;
    }
    
    .preview-area {
        height: 50vh;
    }
}

/* Animações */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.preview-container {
    animation: fadeIn 0.5s ease-in-out;
}

.export-btn, .primary-btn {
    position: relative;
    overflow: hidden;
}

.export-btn:after, .primary-btn:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.export-btn:focus:not(:active):after, .primary-btn:focus:not(:active):after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.tabs {
    display: flex;
    margin-bottom: 15px;
}

.tab {
    padding: 8px 15px;
    cursor: pointer;
    border: 1px solid #ddd;
    border-bottom: none;
    background-color: #f8f9fa;
    border-radius: 5px 5px 0 0;
    margin-right: 5px;
}

.tab.active {
    background-color: #fff;
    border-bottom: 1px solid #fff;
    position: relative;
    z-index: 1;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.color-picker {
    display: flex;
    align-items: center;
    gap: 10px;
}

.color-picker input[type="color"] {
    width: 40px;
    height: 30px;
    padding: 0;
    border: 1px solid #ddd;
}

.difficulty-container {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 15px;
}

.difficulty-container h3 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.difficulty-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.difficulty-option {
    display: flex;
    align-items: center;
    gap: 5px;
}

.difficulty-option input[type="checkbox"] {
    margin: 0;
}

.custom-clues {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.custom-clues input[type="number"] {
    width: 60px;
}

.custom-clues-container {
    border-top: 1px solid #eee;
    padding-top: 10px;
    margin-top: 10px;
}