@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Open+Sans:wght@300;400;600;700&family=Butterfly+Kids&family=Quicksand:wght@300;400;500;600;700&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warm-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --night-gradient: linear-gradient(135deg, #2c3e50 0%, #4a6741 100%);
    --dreamy-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    
    --primary-blue: #667eea;
    --primary-purple: #764ba2;
    --accent-pink: #f093fb;
    --accent-orange: #fee140;
    --dreamy-mint: #a8edea;
    --soft-pink: #fed6e3;
    --text-dark: #2c3e50;
    --text-light: #718096;
    --background: #f8fafc;
    --white: #ffffff;
    --border-light: #e2e8f0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-strong: rgba(0, 0, 0, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: var(--background);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-pink);
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    text-align: center;
    padding: 60px 0;
    background: var(--dreamy-gradient);
    margin: -20px -20px 40px -20px;
    border-radius: 0 0 50px 50px;
    box-shadow: 0 10px 30px var(--shadow-light);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

h1 {
    font-family: 'Fredoka One', cursive;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.subtitle {
    font-family: 'Butterfly Kids', cursive;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--text-light);
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.filters {
    background: var(--white);
    padding: 35px;
    border-radius: 30px;
    margin-bottom: 40px;
    box-shadow: 0 20px 40px var(--shadow-light);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.filters::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 30px 30px 0 0;
}

#filterForm {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 25px;
    align-items: end;
}

.search-box {
    position: relative;
    min-width: 0;
}

.search-box input {
    width: 100%;
    padding: 18px 25px 18px 55px;
    border: 2px solid var(--border-light);
    border-radius: 50px;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    color: var(--text-dark);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    z-index: 1;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15), inset 0 2px 4px rgba(0,0,0,0.05);
    transform: translateY(-3px);
    background: var(--white);
}

.search-box input:focus + .search-box::before {
    transform: translateY(-50%) scale(1.1);
}

.search-box input::placeholder {
    color: var(--text-light);
    font-style: italic;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.filter-group label {
    font-family: 'Quicksand', sans-serif;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.filter-group select {
    padding: 15px 20px;
    border: 2px solid var(--border-light);
    border-radius: 25px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
    color: var(--text-dark);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    min-width: 160px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 45px;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
    transform: translateY(-2px);
    background: var(--white);
}

.filter-group select:hover {
    border-color: var(--primary-blue);
    transform: translateY(-1px);
}

.story-count {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 500;
    font-family: 'Quicksand', sans-serif;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.story-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 25px var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-light);
}

.story-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--warm-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.story-card:hover::before {
    transform: scaleX(1);
}

.story-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px var(--shadow-medium);
    text-decoration: none;
    color: inherit;
}

.story-card[data-category="Adventure"] { border-left: 4px solid #667eea; }
.story-card[data-category="Animals"] { border-left: 4px solid #48bb78; }
.story-card[data-category="Fantasy"] { border-left: 4px solid #9f7aea; }
.story-card[data-category="Family"] { border-left: 4px solid #f093fb; }
.story-card[data-category="Friendship"] { border-left: 4px solid #4facfe; }
.story-card[data-category="Nature"] { border-left: 4px solid #68d391; }
.story-card[data-category="Educational"] { border-left: 4px solid #fbb6ce; }
.story-card[data-category="Fairy Tale"] { border-left: 4px solid #fed6e3; }

.story-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.story-title {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.story-card:hover .story-title {
    color: var(--primary-blue);
}

.story-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    align-items: center;
}

.age-badge {
    background: var(--accent-gradient);
    color: var(--white);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.story-category {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    font-family: 'Quicksand', sans-serif;
    position: relative;
}

.story-category::before {
    content: '📚';
    margin-right: 5px;
}

.story-description {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
    font-family: 'Open Sans', sans-serif;
}

.story-link-indicator {
    margin-top: auto;
    padding: 15px 0;
    border-top: 1px solid var(--border-light);
    text-align: center;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    color: var(--primary-blue);
    position: relative;
    transition: all 0.3s ease;
}

.story-link-indicator::before {
    content: '✨';
    margin-right: 8px;
    transition: transform 0.3s ease;
}

.story-card:hover .story-link-indicator::before {
    transform: scale(1.2);
}

.external-link-icon {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.story-card:hover .external-link-icon {
    transform: translateX(5px);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 40px 0;
    flex-wrap: wrap;
}

.page-link {
    background: var(--white);
    border: 2px solid var(--border-light);
    color: var(--text-dark);
    padding: 12px 18px;
    border-radius: 15px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    transition: all 0.3s ease;
    min-width: 45px;
    text-align: center;
}

.page-link:hover:not(:disabled) {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.page-link.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 5px 15px var(--shadow-light);
}

.page-link:disabled {
    background: #f5f5f5;
    color: #ccc;
    cursor: not-allowed;
    transform: none;
}

.page-ellipsis {
    padding: 12px 8px;
    color: var(--text-light);
}

.no-stories {
    text-align: center;
    background: var(--white);
    padding: 60px 40px;
    border-radius: 20px;
    color: var(--text-light);
    font-size: 1.2rem;
    font-family: 'Open Sans', sans-serif;
    box-shadow: 0 10px 25px var(--shadow-light);
}

.no-stories::before {
    content: '📚';
    display: block;
    font-size: 3rem;
    margin-bottom: 20px;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1024px) {
    #filterForm {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .filter-group {
        flex-direction: row;
        align-items: center;
        gap: 15px;
    }
    
    .filter-group select {
        min-width: 180px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .filters {
        padding: 25px 20px;
        border-radius: 20px;
        margin-bottom: 30px;
    }
    
    #filterForm {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .search-box input {
        padding: 16px 20px 16px 50px;
        font-size: 15px;
    }
    
    .search-box::before {
        left: 18px;
        font-size: 16px;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .filter-group select {
        min-width: 100%;
        padding: 14px 20px;
        padding-right: 40px;
    }
    
    .stories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .story-content {
        padding: 20px;
    }
    
    header {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .filters {
        padding: 20px 15px;
        border-radius: 15px;
    }
    
    .search-box input {
        padding: 14px 18px 14px 45px;
        font-size: 14px;
    }
    
    .search-box::before {
        left: 16px;
        font-size: 14px;
    }
    
    .filter-group label {
        font-size: 11px;
    }
    
    .filter-group select {
        padding: 12px 18px;
        padding-right: 35px;
        font-size: 14px;
    }
}

.container {
    max-width: 1200px;
}

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: var(--primary-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.story-header {
    text-align: center;
    padding: 60px 0 40px;
    background: var(--dreamy-gradient);
    margin: 0 -20px 40px -20px;
    border-radius: 0 0 50px 50px;
    box-shadow: 0 10px 30px var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.back-link {
    display: inline-block;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    margin-bottom: 20px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.back-link:hover {
    color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.story-header .story-title {
    font-family: 'Fredoka One', cursive;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.story-header .story-meta {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.meta-item {
    background: rgba(255, 255, 255, 0.3);
    color: var(--text-dark);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.story-header .story-description {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
    font-family: 'Open Sans', sans-serif;
    position: relative;
    z-index: 1;
}

.story-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px auto;
}

.story-image {
    width: 700px; 
    height: 500px; 
    object-fit: cover; 
    display: block;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.story-image:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.font-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.font-btn {
    background: var(--white);
    border: 2px solid var(--border-light);
    color: var(--text-dark);
    padding: 8px 12px;
    border-radius: 15px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    transition: all 0.3s ease;
    min-width: 40px;
}

.font-btn:hover,
.font-btn.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.font-btn:nth-child(1) { font-size: 12px; }
.font-btn:nth-child(2) { font-size: 16px; }
.font-btn:nth-child(3) { font-size: 20px; }

.reading-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.control-btn {
    background: var(--white);
    border: 2px solid var(--border-light);
    color: var(--text-dark);
    padding: 12px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.control-btn:hover,
.control-btn.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

main.story-content {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 25px var(--shadow-light);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

main.story-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--warm-gradient);
    border-radius: 20px 20px 0 0;
}

.story-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.story-paragraph {
    margin-bottom: 25px;
    opacity: 0.7;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.story-paragraph:first-child::first-letter {
    font-size: 3.5rem;
    font-family: 'Fredoka One', cursive;
    float: left;
    line-height: 1;
    margin: 0 8px 0 0;
    color: var(--primary-blue);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.story-end {
    text-align: center;
    background: var(--dreamy-gradient);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: 0 10px 25px var(--shadow-light);
}

.story-end h3 {
    font-family: 'Fredoka One', cursive;
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.story-end p {
    color: var(--text-light);
    font-size: 1.1rem;
    font-style: italic;
    font-family: 'Butterfly Kids', cursive;
}

.story-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
}

.nav-btn {
    background: var(--white);
    border: 2px solid var(--border-light);
    color: var(--text-dark);
    padding: 15px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 15px var(--shadow-light);
}

.nav-btn:hover {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--shadow-medium);
    text-decoration: none;
}

@media (max-width: 768px) {
    .story-header {
        padding: 40px 20px 30px;
    }
    
    main.story-content {
        padding: 25px 20px;
    }
    
    .reading-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .control-btn {
        width: 200px;
        justify-content: center;
    }
    
    .story-navigation {
        flex-direction: column;
    }
    
    .nav-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .story-header {
        padding: 30px 15px 25px;
    }
    
    main.story-content {
        padding: 20px 15px;
    }
    
    .story-paragraph:first-child::first-letter {
        font-size: 2.5rem;
    }
    
    .font-controls {
        gap: 8px;
    }
    
    .font-btn {
        padding: 6px 10px;
        min-width: 35px;
    }
}