/* ==========================================
   Story Reading Website - Main Stylesheet
   ========================================== */

/* CSS Variables */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --text-color: #1f2937;
    --text-light: #4b5563;
    /* Darker gray for better contrast */
    --bg-color: #ffffff;
    --bg-gray: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;

    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --bs-border-radius: 0.375rem;
    --bs-border-width: 1px;
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-gray);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: relative;
    top: 0;
    z-index: 100;
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.sidebar-bur {
    margin-top: auto;
    padding: 20px 15px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(16, 185, 129, 0.1));
    border-radius: 10px;
    border: 1px solid rgba(251, 191, 36, 0.3);
    flex-shrink: 0;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
}

.site-title:hover {
    opacity: 0.9;
}

/* Navigation */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: white;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.main-nav a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn:hover {
    color: var(--bs-btn-hover-color);
    background-color: var(--bs-btn-hover-bg);
    border-color: var(--bs-btn-hover-border-color);
}

.btn {
    --bs-btn-padding-x: 0.75rem;
    --bs-btn-padding-y: 0.375rem;
    --bs-btn-font-family: ;
    --bs-btn-font-size: 1rem;
    --bs-btn-font-weight: 400;
    --bs-btn-line-height: 1.5;
    --bs-btn-color: var(--bs-body-color);
    --bs-btn-bg: transparent;
    --bs-btn-border-width: var(--bs-border-width);
    --bs-btn-border-color: transparent;
    --bs-btn-border-radius: var(--bs-border-radius);
    --bs-btn-hover-border-color: transparent;
    --bs-btn-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075);
    --bs-btn-disabled-opacity: 0.65;
    --bs-btn-focus-box-shadow: 0 0 0 0.25rem rgba(var(--bs-btn-focus-shadow-rgb), .5);
    display: inline-block;
    padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
    font-family: var(--bs-btn-font-family);
    font-size: var(--bs-btn-font-size);
    font-weight: var(--bs-btn-font-weight);
    line-height: var(--bs-btn-line-height);
    color: var(--bs-btn-color);
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
    border-radius: var(--bs-btn-border-radius);
    background-color: var(--bs-btn-bg);
    padding: 0.375rem 1rem;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: #0d6efd;
    --bs-btn-border-color: #0d6efd;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #0b5ed7;
    --bs-btn-hover-border-color: #0a58ca;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #0a58ca;
    --bs-btn-active-border-color: #0a53be;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

.btn-secondary {
    --bs-btn-color: #fff;
    --bs-btn-bg: #6c757d;
    --bs-btn-border-color: #6c757d;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #5c636a;
    --bs-btn-hover-border-color: #565e64;
    --bs-btn-focus-shadow-rgb: 130, 138, 145;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #565e64;
    --bs-btn-active-border-color: #51585e;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #6c757d;
    --bs-btn-disabled-border-color: #6c757d;
}

.btn-success {
    --bs-btn-color: #fff;
    --bs-btn-bg: #198754;
    --bs-btn-border-color: #198754;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #157347;
    --bs-btn-hover-border-color: #146c43;
    --bs-btn-focus-shadow-rgb: 60, 153, 110;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #146c43;
    --bs-btn-active-border-color: #13653f;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #198754;
    --bs-btn-disabled-border-color: #198754;
}

.btn-danger {
    --bs-btn-color: #fff;
    --bs-btn-bg: #dc3545;
    --bs-btn-border-color: #dc3545;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #bb2d3b;
    --bs-btn-hover-border-color: #b02a37;
    --bs-btn-focus-shadow-rgb: 225, 83, 97;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #b02a37;
    --bs-btn-active-border-color: #a52834;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #dc3545;
    --bs-btn-disabled-border-color: #dc3545;
}

.btn-warning {
    --bs-btn-color: #000;
    --bs-btn-bg: #ffc107;
    --bs-btn-border-color: #ffc107;
    --bs-btn-hover-color: #000;
    --bs-btn-hover-bg: #ffca2c;
    --bs-btn-hover-border-color: #ffc720;
    --bs-btn-focus-shadow-rgb: 217, 164, 6;
    --bs-btn-active-color: #000;
    --bs-btn-active-bg: #ffcd39;
    --bs-btn-active-border-color: #ffc720;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #000;
    --bs-btn-disabled-bg: #ffc107;
    --bs-btn-disabled-border-color: #ffc107;
}

.btn-info {
    --bs-btn-color: #000;
    --bs-btn-bg: #0dcaf0;
    --bs-btn-border-color: #0dcaf0;
    --bs-btn-hover-color: #000;
    --bs-btn-hover-bg: #31d2f2;
    --bs-btn-hover-border-color: #25cff2;
    --bs-btn-focus-shadow-rgb: 11, 172, 204;
    --bs-btn-active-color: #000;
    --bs-btn-active-bg: #3dd5f3;
    --bs-btn-active-border-color: #25cff2;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #000;
    --bs-btn-disabled-bg: #0dcaf0;
    --bs-btn-disabled-border-color: #0dcaf0;
}

.btn-light {
    --bs-btn-color: #000;
    --bs-btn-bg: #f8f9fa;
    --bs-btn-border-color: #f8f9fa;
    --bs-btn-hover-color: #000;
    --bs-btn-hover-bg: #d3d4d5;
    --bs-btn-hover-border-color: #c6c7c8;
    --bs-btn-focus-shadow-rgb: 211, 212, 213;
    --bs-btn-active-color: #000;
    --bs-btn-active-bg: #c6c7c8;
    --bs-btn-active-border-color: #babbbc;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #000;
    --bs-btn-disabled-bg: #f8f9fa;
    --bs-btn-disabled-border-color: #f8f9fa;
}

.btn-dark {
    --bs-btn-color: #fff;
    --bs-btn-bg: #212529;
    --bs-btn-border-color: #212529;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #424649;
    --bs-btn-hover-border-color: #373b3e;
    --bs-btn-focus-shadow-rgb: 66, 70, 73;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #4d5154;
    --bs-btn-active-border-color: #373b3e;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #212529;
    --bs-btn-disabled-border-color: #212529;
}

/* Search Bar */
.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    min-width: 300px;
    font-size: 0.875rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.search-btn {
    padding: 0.5rem 1.5rem;
    background: white;
    color: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--bg-gray);
}

/* Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    margin: 2rem auto;
}

/* Story Grid */
.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.story-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.story-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.story-cover {
    width: 100%;
    height: 280px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.story-info {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.story-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-author {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.story-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.story-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-ongoing {
    background: #dbeafe;
    color: #1e40af;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

/* Sidebar */
.sidebar {
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 6rem;
}

.sidebar h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.75rem;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.category-list a:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.category-count {
    background: var(--bg-gray);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

a.category-badge.active {
    background: bisque;
    color: darkblue;
}

/* Pagination */
.pagination {
    margin: 3rem 0;
    display: flex;
    justify-content: center;
}

.pagination ul {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.pagination a {
    padding: 0.5rem 1rem;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .active a {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

.pagination .ellipsis {
    padding: 0.5rem 1rem;
    color: var(--text-light);
}

/* Story Detail Page */
.story-detail {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.story-header {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.story-description {
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.story-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.category-badge {
    padding: 0.375rem 1rem;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

/* Chapter List */
.chapter-list {
    margin-top: 2rem;
}

.chapter-list h3 {
    margin-bottom: 1rem;
}

.chapter-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.75rem;
}

.chapter-item {
    padding: 0.75rem 1rem;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chapter-item:hover {
    background: var(--primary-color);
    color: white;
}

.chapter-item:hover .chapter-time {
    color: rgba(255, 255, 255, 0.8);
}

.chapter-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Pagination Links */
.page-link {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-color);
    background: var(--bg-color);
    transition: all 0.2s;
    display: inline-block;
}

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

.page-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.quick-actions .btn {
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: var(--text-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .story-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }

    .story-cover {
        height: 220px;
    }

    .story-header {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .story-header img.story-cover {
        width: 200px;
        height: 300px;
        margin: 0 auto;
    }

    .search-input {
        min-width: 0;
        width: 100%;
    }

    .search-form {
        width: 100%;
    }

    .main-nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .sidebar {
        position: static;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .quick-actions {
        justify-content: center;
    }

    .chapter-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .story-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .story-cover {
        height: 180px;
    }

    .story-title {
        font-size: 1rem;
    }
}

/* ==========================================
   Clear Cache Button Styles
   ========================================== */

/* Clear Cache Button */
.clear-cache-btn {
    position: fixed;
    bottom: 90px;
    right: 1.5rem;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInRight 0.5s ease, pulse 2s ease-in-out infinite;
}

.clear-cache-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.clear-cache-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.cache-icon {
    font-size: 1.2rem;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(200px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 6px 30px rgba(16, 185, 129, 0.6);
    }
}

/* Mobile responsive */
@media (max-width: 768px) {
    .clear-cache-btn {
        bottom: 80px;
        right: 1rem;
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .cache-text {
        display: none;
    }
    
    .cache-icon {
        font-size: 1.5rem;
    }
}