/* Estilo geral para apresentações Arduino */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
}

.slide-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.slide-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 90%;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
}

h1 {
    color: #2c5aa0;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #ff6b35;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #ff6b35;
    padding-bottom: 0.5rem;
}

h3 {
    color: #2c5aa0;
    font-size: 1.5rem;
    margin: 1rem 0;
}

p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    text-align: left;
}

.subtitle {
    font-size: 1.3rem;
    color: #666;
    font-style: italic;
}

.concept-box {
    background: #f8f9fa;
    border-left: 5px solid #ff6b35;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.highlight {
    background: #fff3cd;
    padding: 0.8rem;
    border-radius: 8px;
    border: 2px solid #ffc107;
    margin: 1rem 0;
}

.code-snippet {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    margin: 1rem 0;
    text-align: left;
}

ul {
    text-align: left;
    margin: 1rem 0;
}

li {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.navigation {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.nav-btn {
    background: #2c5aa0;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
    margin: 0 5px;
}

.nav-btn:hover {
    background: #ff6b35;
}

.home-btn {
    background: #28a745 !important;
}

.home-btn:hover {
    background: #218838 !important;
}

.slide-number {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
}

.image-placeholder {
    background: #e9ecef;
    border: 2px dashed #adb5bd;
    border-radius: 8px;
    padding: 2rem;
    margin: 1rem 0;
    color: #6c757d;
    font-style: italic;
}

.image-container {
    margin: 1.5rem 0;
    text-align: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.image-container img:hover {
    transform: scale(1.05);
}

.image-container p {
    font-style: italic;
    color: #666;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.formula {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: #495057;
}

.step-box {
    background: linear-gradient(45deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.warning {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #856404;
}

.success {
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #155724;
}

@media (max-width: 768px) {
    .slide-container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    p, li {
        font-size: 1rem;
    }
}

/* Estilos específicos para páginas com muito conteúdo */
.index-page .slide-container {
    justify-content: flex-start;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.index-page .slide-header {
    max-height: none;
    margin: 1rem 0;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Barra de rolagem personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.5);
}