/* --- Reset & Base --- */
:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-color: #6200ee;
    --primary-variant-color: #3700b3;
    --secondary-color: #03dac6;
    --on-bg-color: #e0e0e0;
    --on-surface-color: #ffffff;
    --border-color: #2c2c2c;
    --hover-color: #2a2a2a;
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--on-bg-color);
    font-family: 'Segoe UI', 'Meiryo', 'Hiragino Kaku Gothic ProN', 'sans-serif';
    line-height: 1.6;
    margin: 0;
}

.container {
    width: 100%;
    margin: 0;
    padding: 20px 0;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

h1, h2, h3 {
    color: var(--on-surface-color);
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* --- Header --- */
.app-header {
    background-color: var(--surface-color);
    padding: 1rem 2.5%;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.app-header .logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--on-surface-color);
}

.header-context-title {
    flex-grow: 1;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--on-bg-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-context-title a {
    color: var(--on-bg-color);
}

.header-context-title .breadcrumb-separator {
    margin: 0 0.5rem;
    color: var(--border-color);
}

.app-header .app-nav a {
    margin-left: 1.5rem;
    font-size: 1rem;
    font-weight: 500;
}

/* --- Forms & Buttons --- */
.form-container, .search-form {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: space-between; /* Aligns items to the ends */
}

.search-box {
    display: flex;
    gap: 0.5rem;
}

.filter-options {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

input[type="text"], select {
    background-color: var(--bg-color);
    color: var(--on-bg-color);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

input[type="text"]:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
}

button, .button {
    background-color: var(--primary-color);
    color: var(--on-surface-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s ease;
    display: inline-block;
    text-align: center;
}

button:hover, .button:hover {
    background-color: var(--primary-variant-color);
}

.button.disabled {
    background-color: var(--border-color);
    color: #6c757d;
    cursor: not-allowed;
    pointer-events: none;
}

.button-secondary {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}
.button-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--surface-color);
}

.button-danger {
    background-color: #dc3545;
    border: 1px solid #dc3545;
    color: #ffffff;
}
.button-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

.button-success {
    background-color: #28a745;
    border: 1px solid #28a745;
    color: #ffffff;
}
.button-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
}


/* --- Comic List (index.html) --- */
.comic-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.comic-tile {
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--box-shadow);
}

.comic-tile:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.comic-tile a {
    display: block;
    color: var(--on-bg-color);
}

.comic-tile .thumb {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.comic-tile-info {
    padding: 1rem;
}

.comic-tile-title {
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.comic-tile-meta {
    font-size: 0.85rem;
    opacity: 0.7;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.comic-tile-favorite {
    color: #ffeb3b; /* Yellow for favorite star */
}

/* --- Comic Detail (comic_detail.html) --- */
.comic-detail-container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.comic-detail-header {
    flex: 1;
    min-width: 250px;
}

.comic-detail-thumb {
    width: 100%;
    max-width: 300px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.comic-actions {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.episode-list-container {
    flex: 2;
    min-width: 300px;
}

.episode-list-container h3 {
    margin-bottom: 0; /* Remove default margin-bottom from h3 */
}

.episode-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem; /* Add margin-bottom to the container */
}

.read-button-container {
    margin-left: auto; /* Push the button to the right */
}

.read-button-container .button {
    /* Adjust button specific styles if needed */
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.episode-list {
    list-style: none;
    padding: 0;
}

/* Episode Status Colors */
.episode-link.status-not-acquired {
    color: #a0a0a0;
}

.episode-link.status-incomplete {
    color: #acda03;
}

/* Episode Read Status Background */
.episode-link.read-episode {
    background-color: #0e0e0e;
}

.episode-list li.is-read a {
    opacity: 0.6;
}

.episode-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--surface-color);
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
    border-left: 4px solid transparent;
}

.episode-list li a:hover {
    background-color: var(--hover-color);
    border-left-color: var(--primary-color);
}

.episode-list li.is-read a {
    opacity: 0.6;
}

.episode-item {
    display: flex;
    width: 100%;
    align-items: center;
}

.episode-text {
    flex-basis: 40%; /* Adjust as needed */
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.episode-read-date {
    flex-basis: 15%; /* Adjust as needed */
    text-align: left;
    white-space: nowrap;
}

.episode-status {
    flex-basis: 15%; /* Adjust as needed */
    text-align: right;
    white-space: nowrap;
}

.episode-created-at {
    flex-basis: 15%; /* Adjust as needed */
    text-align: right;
    white-space: nowrap;
}

.episode-page-count {
    flex-basis: 10%; /* Adjust as needed */
    text-align: right;
    white-space: nowrap;
}

.menu-item-slider {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--on-bg-color);
}

.menu-item-slider span {
    margin-right: 0.5rem;
}

.menu-item-slider input[type="range"] {
    flex-grow: 1;
    margin-right: 0.5rem;
}

/* --- Episode Detail (episode_detail.html) --- */
.episode-viewer {
    text-align: center;
}

.episode-nav {
    background-color: rgba(30, 30, 30, 0.9);
    padding: 1rem;
    margin: 1rem auto;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0px;
    z-index: 100;
}

.nav-left-group,
.nav-right-group,
.nav-end-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Hamburger Menu */
.hamburger-menu {
    position: relative; /* Changed to relative */
}

.hamburger-icon {
    background: none;
    border: none;
    color: var(--on-surface-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

.hamburger-icon:hover {
    background-color: var(--hover-color);
}

.menu-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    min-width: 200px;
    padding: 0.5rem 0;
    display: none; /* Hidden by default */
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.menu-dropdown.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--on-bg-color);
    transition: background-color 0.3s ease;
}

.menu-item:hover {
    background-color: var(--hover-color);
}

.menu-item input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Full Width Image Mode */
.episode-images.full-width-active img {
    max-width: 100vw; /* Screen width */
    width: 100vw; /* Ensure it takes full width */
    margin: 0 auto; /* Center if needed */
    border-radius: 0; /* No radius for manga pages */
}

.episode-images img {
    display: block;
    margin: 0 auto 4px auto; /* Center images */
    max-width: 800px; /* Limit image width for readability */
    border-radius: 0; /* No radius for manga pages */
}

.missing-page {
    display: block;
    margin: 0 auto 4px auto;
    max-width: 800px;
    padding: 2rem;
    text-align: center;
    background-color: #1a1a1a;
    color: #666;
    border: 1px dashed #333;
    font-size: 1rem;
    border-radius: var(--border-radius);
}

.episode-footer-nav {
    text-align: center;
    padding: 1rem;
    margin-top: 1rem;
}

.episode-footer-nav .button {
    min-width: 200px;
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: var(--on-surface-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    cursor: pointer;
    display: none; /* Hidden by default */
    z-index: 100;
}

/* --- Login Page --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100%;
}

.login-container form {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background-color: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.login-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--on-surface-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--on-bg-color);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--on-bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.login-container button {
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
    font-weight: bold;
    background-color: var(--primary-color);
    color: var(--on-surface-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-container button:hover {
    background-color: var(--primary-variant-color);
}

.flashes {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.flashes li {
    background-color: #c82333; /* Error color */
    color: white;
    padding: 0.75rem;
    text-align: center;
    border-radius: var(--border-radius);
}


 .episode-link.status-hidden {
     background-color: #0e0e0e;
     color: #888;
     text-decoration: line-through;
 }
 .episode-link.status-hidden .episode-status {
     color: #888;
 }