/* Modern CSS Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #999999;
    --accent: #FF69B4;
    --accent-hover: #FF1493;
    --accent-secondary: #FFB6C1;
    --accent-light: #FFC0CB;
    --candy-pink: #FF69B4;
    --candy-light: #FFB6C1;
    --candy-dark: #FF1493;
    --border: #333333;
    --border-pink: rgba(255, 105, 180, 0.3);
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-lg: rgba(0, 0, 0, 0.8);
    --shadow-pink: rgba(255, 105, 180, 0.3);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --header-height: 80px;
    --controls-height: 90px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-xl: 20px;
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Main Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.brand {
    display: flex;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 105, 180, 0.5));
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: -2px;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: transparent;
    border: 2px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
    font-size: 0.875rem;
}

.nav-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.nav-btn.active {
    color: var(--accent);
    background: rgba(255, 105, 180, 0.15);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(255, 105, 180, 0.3);
}

/* Collection View */
.collection-view {
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: 2rem;
}

.collection-header {
    text-align: center;
    padding: 4rem 2rem 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.collection-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--candy-pink), var(--candy-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px rgba(255, 105, 180, 0.3));
}

.collection-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.comics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.comic-card {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
}

.comic-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-lg), 0 0 30px var(--shadow-pink);
    border-color: var(--accent);
}

.comic-cover {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.comic-card:hover .comic-cover {
    transform: scale(1.05);
}

.comic-info {
    padding: 1.5rem;
}

.comic-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.comic-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.comic-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.comic-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 105, 180, 0.2);
    color: var(--accent);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid rgba(255, 105, 180, 0.3);
}

.comic-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.status-indicator.ongoing {
    background: var(--warning);
}

.status-indicator.hiatus {
    background: var(--error);
}

/* Reader View */
.reader-view {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 2000;
}

.reader-view.hidden {
    display: none;
}

.reader-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.reader-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
}

.back-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.comic-info {
    text-align: center;
    flex: 1;
    margin: 0 2rem;
}

.comic-info h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.page-counter {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.share-btn {
    background: var(--accent);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
}

.share-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Comic Viewer */
.viewer-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    padding-bottom: var(--controls-height);
    position: relative;
}

.comic-viewport {
    flex: 1;
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.image-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.comic-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 20px 40px var(--shadow);
    transition: var(--transition);
    cursor: grab;
    user-select: none;
    -webkit-user-drag: none;
}

.comic-image:active {
    cursor: grabbing;
}

.comic-image.loading {
    opacity: 0.5;
    filter: blur(2px);
}

/* Navigation Buttons */
.nav-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.nav-button:hover {
    background: rgba(255, 105, 180, 0.3);
    border-color: var(--accent);
    color: var(--accent);
}

.nav-button:active {
    transform: translateY(-50%) scale(0.95);
}

.nav-button--left {
    left: 2rem;
}

.nav-button--right {
    right: 2rem;
}

.nav-button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: translateY(-50%);
}

.nav-button:disabled:hover {
    background: rgba(26, 26, 26, 0.9);
    border-color: var(--border);
    color: var(--text-primary);
    transform: translateY(-50%);
}

/* Reader Controls */
.reader-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--controls-height);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1rem 2rem;
    z-index: 100;
}

.progress-container {
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--candy-pink), var(--candy-light));
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
    box-shadow: 0 0 10px rgba(255, 105, 180, 0.5);
}

.control-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
}

.control-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    min-width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.control-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-2px);
}

.control-btn:active {
    transform: translateY(0);
}

.control-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.control-btn:disabled:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-primary);
    transform: none;
}

/* Footer */
.main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    padding: 2rem;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--accent);
    background: rgba(255, 105, 180, 0.1);
}

.modal-body {
    padding: 1.5rem;
}

.modal-body p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-info {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border);
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

/* Loading */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    backdrop-filter: blur(10px);
}

.loading.hidden {
    display: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1.5rem;
}

.loading p {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Mobile tap zones for page navigation */
.tap-zones {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    pointer-events: none;
    z-index: 5;
}

.tap-zone {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    pointer-events: auto;
    background: transparent;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.tap-zone--left {
    left: 0;
}

.tap-zone--right {
    right: 0;
}

.tap-zone:active {
    background: rgba(255, 192, 203, 0.2);
    transition: background 0.1s ease;
}

/* Show tap zones on mobile */
@media (max-width: 768px) {
    .tap-zones {
        display: block;
    }
}

@media (hover: none) and (pointer: coarse) {
    .tap-zones {
        display: block;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .comics-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --controls-height: 70px;
    }

    .header-content {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .logo-container {
        gap: 0.5rem;
    }

    .logo-img {
        height: 28px;
    }

    .tagline {
        font-size: 0.65rem;
    }

    .main-nav {
        gap: 0.25rem;
    }

    .nav-btn {
        padding: 0.35rem 0.7rem;
        font-size: 0.75rem;
    }

    .collection-header {
        padding: 2rem 1rem 1.5rem;
    }

    .collection-header h2 {
        font-size: 1.8rem;
    }

    .collection-header p {
        font-size: 0.95rem;
    }

    .comics-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
        padding: 0 1rem;
    }

    /* Reader improvements */
    .reader-header-content {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .back-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .comic-info {
        margin: 0 0.5rem;
    }

    .comic-info h2 {
        font-size: 1.1rem;
        margin-bottom: 0.25rem;
    }

    .page-counter {
        font-size: 0.8rem;
    }

    .share-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    /* Viewer container */
    .viewer-container {
        padding-top: var(--header-height);
        padding-bottom: var(--controls-height);
    }

    .comic-viewport {
        min-height: calc(100vh - 130px);
    }

    .comic-image {
        max-height: calc(100vh - 130px);
        max-width: calc(100vw - 2rem);
        object-fit: contain;
    }

    /* Hide navigation arrows on tablets and mobile */
    .nav-button {
        display: none;
    }

    /* Reader controls */
    .reader-controls {
        padding: 0.5rem 1rem;
        height: var(--controls-height);
    }

    .progress-container {
        margin-bottom: 0.75rem;
    }

    .progress-bar {
        height: 4px;
    }

    .control-buttons {
        gap: 0.25rem;
        justify-content: center;
    }

    .control-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
        min-width: 36px;
        height: 36px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 55px;
        --controls-height: 65px;
    }

    .brand-text {
        display: none;
    }

    .logo-img {
        height: 24px;
    }

    .main-nav {
        gap: 0.125rem;
    }

    .nav-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.7rem;
    }

    .collection-header {
        padding: 1.5rem 1rem 1rem;
    }

    .collection-header h2 {
        font-size: 1.5rem;
    }

    .comics-grid {
        grid-template-columns: 1fr;
        padding: 0 0.75rem;
    }

    .comic-info {
        margin: 0 0.25rem;
    }

    .comic-info h2 {
        font-size: 0.95rem;
    }

    .back-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }

    .share-btn {
        padding: 0.3rem 0.6rem;
        font-size: 0.7rem;
    }

    .page-counter {
        font-size: 0.75rem;
    }

    .comic-viewport {
        min-height: calc(100vh - 120px);
    }

    .comic-image {
        max-height: calc(100vh - 120px);
        max-width: calc(100vw - 1.5rem);
        object-fit: contain;
    }

    /* Navigation arrows remain hidden on mobile */
    .nav-button {
        display: none;
    }

    .reader-controls {
        padding: 0.4rem 0.75rem;
        height: var(--controls-height);
    }

    .progress-container {
        margin-bottom: 0.5rem;
    }

    .control-buttons {
        gap: 0.125rem;
        flex-wrap: nowrap;
        overflow-x: auto;
    }

    .control-btn {
        min-width: 32px;
        height: 32px;
        padding: 0.2rem 0.4rem;
        font-size: 0.7rem;
        flex-shrink: 0;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal {
        padding: 0.75rem;
    }

    .modal-content {
        max-height: calc(100vh - 1.5rem);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .nav-button:hover {
        transform: translateY(-50%);
    }

    .control-btn:hover {
        transform: none;
    }

    .comic-card:hover {
        transform: none;
    }
}

/* Fullscreen mode */
.fullscreen-mode .reader-header,
.fullscreen-mode .reader-controls {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.fullscreen-mode .viewer-container {
    padding: 0;
}

.fullscreen-mode .nav-button {
    opacity: 0.6;
}

.fullscreen-mode:hover .reader-header,
.fullscreen-mode:hover .reader-controls,
.fullscreen-mode:hover .nav-button {
    opacity: 1;
    pointer-events: auto;
}

/* Focus states for accessibility */
.nav-button:focus,
.control-btn:focus,
.nav-btn:focus,
.back-btn:focus,
.share-btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .loading-spinner {
        animation: none;
    }
}

/* Print styles */
@media print {

    .main-header,
    .reader-header,
    .reader-controls,
    .nav-button,
    .main-footer {
        display: none !important;
    }

    .viewer-container {
        padding: 0;
        height: auto;
    }

    .comic-image {
        max-width: 100%;
        height: auto;
        box-shadow: none;
    }
}

/* Very small screens (phones in portrait) */
@media (max-width: 480px) {
    .comic-image {
        max-height: calc(100vh - 180px);
    }

    .reader-controls {
        padding: 0.5rem;
    }

    .control-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .control-btn {
        font-size: 1rem;
        min-width: 44px;
        min-height: 44px;
    }

    /* Optimize comic cards for very small screens */
    .comic-card {
        margin-bottom: 1rem;
    }

    .comic-cover {
        aspect-ratio: 2/3;
        object-fit: cover;
    }

    .comic-info {
        padding: 1rem;
    }

    .comic-title {
        font-size: 1.1rem;
        line-height: 1.3;
    }

    .comic-description {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Additional mobile optimizations */
@media (max-width: 768px) {
    .image-container {
        padding: 0.5rem;
        justify-content: center;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .image-container {
        padding: 0.25rem;
    }
}