/* Modern Clean Design with Project Colors */

:root {
    --primary-color: #23526C; /* Deep Atlantic Blue */
    --secondary-color: #3C8DB9; /* Light Caspian Blue */
    --background-color: #B2D4E6; /* Soft Sky Blue */
    --accent-color: #FFFC31; /* Electric Yellow */
    --black: #000;
    --white: #fff;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--black);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

/* Simple borders */
.container, .card, .alert, .form-control, .btn, .modern-box {
    border: 1px solid var(--black) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
}

/* Pill buttons */
.btn {
    font-weight: 600;
    border-radius: 50px !important;
    padding: 8px 20px;
    text-transform: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color) !important;
    color: var(--white) !important;
    border: 1px solid var(--primary-color) !important;
}

.btn-primary:hover {
    background-color: var(--black) !important;
    color: var(--accent-color) !important;
    border: 1px solid var(--black) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

.btn-secondary {
    background-color: var(--secondary-color) !important;
    color: white !important;
    border: 1px solid var(--secondary-color) !important;
}

.btn-secondary:hover {
    background-color: var(--primary-color) !important;
    border: 1px solid var(--primary-color) !important;
}

.btn-accent {
    background-color: var(--accent-color) !important;
    color: var(--black) !important;
    border: 1px solid var(--accent-color) !important;
}

.btn-accent:hover {
    background-color: var(--black) !important;
    color: var(--accent-color) !important;
    border: 1px solid var(--black) !important;
}

.btn-outline-secondary {
    color: var(--black) !important;
    border: 1px solid var(--black) !important;
    background-color: transparent !important;
}

.btn-outline-secondary:hover {
    background-color: var(--primary-color) !important;
    color: var(--white) !important;
}

.card {
    background-color: var(--white) !important;
    border: 1px solid var(--black) !important;
}

.form-control {
    border: 1px solid var(--black) !important;
    border-radius: 8px !important;
    padding: 10px 15px;
}

.form-control:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 0.25rem rgba(35, 82, 108, 0.25) !important;
}

.alert-info {
    background-color: var(--accent-color) !important;
    color: var(--black) !important;
    border: 1px solid var(--black) !important;
    font-weight: 600;
    border-radius: 8px !important;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 20px 0;
}

.page-item {
    margin: 0 5px;
}

.page-link {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    border: 1px solid var(--black);
    border-radius: 50% !important;
    color: var(--primary-color);
    transition: all 0.3s;
}

.page-link:hover,
.page-link.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 6px 16px;
        font-size: 0.9rem;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.4rem; }
    h4 { font-size: 1.2rem; }
    h5 { font-size: 1.1rem; }
    h6 { font-size: 1rem; }
}

/* Presentation Mode Styles */
.presentation-mode {
    overflow-x: hidden;
}

.presentation-main {
    min-height: calc(100vh - 80px); /* Account for sticky footer */
    padding-bottom: 80px; /* Space for footer */
}

/* Slide Container - using Bootstrap card styles */
.slide-container {
    border: 1px solid var(--black);
}

.slide-title {
    color: var(--primary-color);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.slide-hook {
    background-color: var(--accent-color);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    border: 2px solid var(--black);
}

.slide-content {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--black);
}

.slide-content h1, .slide-content h2, .slide-content h3 {
    color: var(--primary-color);
    margin-top: 1.5rem;
}

.slide-content ul, .slide-content ol {
    padding-left: 1.5rem;
}

.slide-content li {
    margin-bottom: 0.5rem;
}

/* Using Bootstrap's native button styles for navigation */

/* Chapter Footer */
.chapter-footer {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(35, 82, 108, 0.8); /* Semi-transparent primary color */
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    z-index: 999;
    border: 1px solid var(--white);
    backdrop-filter: blur(5px);
}

/* Responsive adjustments for mobile */
@media (max-width: 768px) {
    .presentation-main {
        min-height: calc(100vh - 100px);
        padding-bottom: 100px;
    }
    
    .slide-container {
        padding: 1rem;
        max-width: 95%;
    }
    
    .slide-title {
        font-size: 2rem;
    }
    
    .slide-content {
        font-size: 1rem;
    }
    
    .floating-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .floating-dashboard {
        top: 15px;
        right: 15px;
    }

    .floating-prev {
        bottom: 15px;
        left: 15px;
    }

    .floating-next {
        bottom: 15px;
        right: 15px;
    }
    
    .chapter-footer {
        font-size: 0.8rem;
        padding: 6px 15px;
        bottom: 8px;
    }
    
    /* Optimize slide navigation for mobile */
    .slide-navigation .btn {
        min-width: 48px;
        height: 48px;
        padding: 0;
        font-size: 1.2rem;
    }
    
    /* Make slide indicators scrollable on mobile */
    .slide-indicators-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Improve touch targets */
    .slide-indicator {
        min-width: 40px;
        height: 40px;
        margin: 0 2px;
        font-size: 0.9rem;
    }
}

/* Responsive adjustments for extra small screens */
@media (max-width: 576px) {
    .slide-title {
        font-size: 1.75rem;
    }
    
    .slide-content {
        font-size: 0.95rem;
    }
    
    .slide-hook {
        font-size: 1rem;
        padding: 0.75rem;
    }
    
    /* Simplify navigation on smallest screens */
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
    
    .slide-navigation .btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Progress bar styles */
.progress {
    height: 6px;
    border-radius: 3px;
    background-color: rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

/* Animation for slide transitions */
.slide-container {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Chapter Navigation */
.chapter-nav-container {
    position: fixed;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    z-index: 1050; /* Above floating buttons */
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chapter-nav-item {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.chapter-nav-item:hover, .chapter-nav-item.active {
    background-color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

/* Responsive adjustment for chapter nav */
@media (max-width: 768px) {
    .chapter-nav-container {
        left: 10px;
        top: auto;
        bottom: 20px;
        transform: none;
        flex-direction: row;
        width: calc(100% - 40px);
        justify-content: center;
        flex-wrap: wrap;
        gap: 5px;
    }

    .chapter-nav-item {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}