/* ตั้งค่าพื้นฐาน */
:root {
    --primary-color: #5C2E1C; /* สีน้ำตาลเข้ม */
    --secondary-color: #8C5B3F; /* สีน้ำตาลกลาง */
    --accent-color: #D4A65F; /* สีทอง */
    --text-color: #FFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --link-hover-color: #D4A65F;
    --background-color: #5C2E1C;
    --card-color: rgba(255, 255, 255, 0.05);
    --danger-color: #f44336;
    --success-color: #4caf50;
    --info-color: #2196f3;
    --warning-color: #ff9800;
    --shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-sm: 4px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Sarabun', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    transition: var(--transition);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden {
    display: none !important;
}

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

/* Header */
header {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo img {
    height: 40px;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    font-weight: 500;
    padding: 0.5rem;
    font-size: 1.1rem;
    position: relative;
}

nav ul li a.active {
    color: var(--accent-color);
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
}

nav ul li a:hover::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    transform: scaleX(1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-form-header {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: 0.25rem 0.5rem;
    max-width: 200px;
    transition: var(--transition);
}

.search-form-header:focus-within {
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.search-form-header input {
    background: none;
    border: none;
    color: var(--text-color);
    padding: 0.5rem;
    width: 100%;
}

.search-form-header input:focus {
    outline: none;
}

.search-form-header button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.25rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(10px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
}

/* ส่วนของผู้ใช้ในเฮดเดอร์ */
.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.login-btn, .register-btn {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.login-btn:hover, .register-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.divider {
    color: var(--text-secondary);
}

.profile-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.profile-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 220px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    z-index: 1000;
}

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

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a,
.dropdown-menu button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
}

.dropdown-menu a:hover,
.dropdown-menu button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    padding-left: 1.25rem;
}

.dropdown-menu a.active {
    border-left: 3px solid var(--accent-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.dropdown-menu i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    color: var(--accent-color);
}

.btn-edit {
    padding: 0.75rem 1.25rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-edit:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Main Content */
.content-container {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.page-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--text-color);
    position: relative;
}

.page-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 0.5rem auto 0;
    border-radius: 3px;
}

/* แบนเนอร์ต้อนรับ */
.welcome-banner {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-color);
}

.welcome-banner h2 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.welcome-banner p {
    margin: 0;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* แถบประวัติ */
.history-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) rgba(255, 255, 255, 0.05);
}

.history-tabs::-webkit-scrollbar {
    height: 4px;
}

.history-tabs::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.history-tabs::-webkit-scrollbar-thumb {
    background-color: var(--accent-color);
    border-radius: 10px;
}

.history-tab {
    padding: 0.75rem 1.25rem;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    white-space: nowrap;
    font-weight: 500;
    transition: var(--transition);
}

.history-tab.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.history-tab:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ช่องค้นหาด่วน */
.quick-search {
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    max-width: 100%;
    position: relative;
}

.search-form input {
    flex-grow: 1;
    padding: 1rem 3rem 1rem 1.5rem;
    border: none;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-form input:focus {
    background-color: rgba(255, 255, 255, 0.15);
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.search-form button {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.search-form button:hover {
    transform: translateY(-50%) scale(1.1);
}

/* ================================= */
/* == Base Button Styles == */
/* ================================= */

.btn {
  display: inline-flex; /* ใช้ inline-flex เพื่อจัด icon กับ text */
  align-items: center; /* จัดกลางแนวตั้ง */
  justify-content: center; /* จัดกลางแนวนอน */
  gap: 0.5rem; /* ระยะห่างระหว่าง icon กับ text */
  padding: 0.75rem 1.5rem; /* ขนาด padding เริ่มต้น */
  border-radius: var(--border-radius-sm); /* ใช้ค่าจากตัวแปร */
  font-weight: 500; /* ความหนาตัวอักษร */
  cursor: pointer;
  transition: var(--transition); /* ใช้ค่าจากตัวแปร */
  text-align: center;
  text-decoration: none; /* สำหรับกรณีใช้ <a> เป็นปุ่ม */
  border: 1px solid transparent; /* กำหนด border พื้นฐาน */
  font-size: 1rem; /* ขนาด font เริ่มต้น */
  line-height: 1.5; /* ความสูงบรรทัด */
  white-space: nowrap; /* ไม่ให้ปุ่มขึ้นบรรทัดใหม่ */
  vertical-align: middle; /* จัดกลางแนวตั้งเมื่ออยู่ inline */
}

/* ปุ่มหลัก (Primary) เช่น บันทึก, Submit */
.btn-primary {
  background-color: var(--accent-color); /* สีพื้นหลังหลัก (สีทอง) */
  color: var(--primary-color); /* สีตัวหนังสือ (สีน้ำตาลเข้ม) */
  border-color: var(--accent-color); /* สีขอบ */
  box-shadow: 0 2px 4px rgba(0,0,0,0.15); /* เงาเล็กน้อย */
}
.btn-primary:hover,
.btn-primary:focus { /* เพิ่ม :focus ด้วย */
  background-color: var(--accent-hover, #e5b76f); /* สีตอน hover (ถ้ามีตัวแปร หรือใช้ค่าสีที่เข้ม/สว่างกว่า) */
  border-color: var(--accent-hover, #e5b76f);
  color: var(--primary-color);
  transform: translateY(-2px); /* เอฟเฟกต์ลอยขึ้นเล็กน้อย */
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  outline: none; /* ลบ outline ตอน focus เพราะมี shadow แล้ว */
}
.btn-primary i {
  /* สไตล์ไอคอนในปุ่มหลัก (ถ้าต้องการ) */
}

/* ปุ่มรอง (Secondary) เช่น ยกเลิก, ดูรายละเอียด */
.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1); /* สีพื้นหลังโปร่งแสง */
  color: var(--text-color); /* สีตัวหนังสือปกติ */
  border-color: var(--border-color, rgba(255, 255, 255, 0.15)); /* สีขอบ */
}
.btn-secondary:hover,
.btn-secondary:focus {
  background-color: rgba(255, 255, 255, 0.2); /* สว่างขึ้นเล็กน้อย */
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-color);
  transform: translateY(-2px);
  outline: none;
}
.btn-secondary i {
   /* สไตล์ไอคอนในปุ่มรอง */
   color: var(--accent-color); /* อาจจะให้ไอคอนเป็นสี accent */
}

/* ปุ่มอันตราย (Danger) เช่น ลบ */
.btn-danger {
    background-color: var(--danger-color, #f44336);
    color: white;
    border-color: var(--danger-color, #f44336);
}
.btn-danger:hover,
.btn-danger:focus {
    background-color: #d32f2f; /* สีแดงเข้มขึ้น */
    border-color: #d32f2f;
    color: white;
    transform: translateY(-2px);
    outline: none;
}

/* ขนาดปุ่ม (ถ้าต้องการ) */
.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  gap: 0.3rem;
}
.btn-sm i {
    font-size: 0.9em; /* ไอคอนในปุ่มเล็ก */
}

/* ปรับสไตล์ปุ่มเฉพาะจุด ถ้าจำเป็น */
/* เช่น ปุ่มใน work-actions ที่เป็นไอคอนอย่างเดียว */
.work-actions .btn-sm {
   width: 34px;  /* ขนาดปุ่มไอคอน */
   height: 34px;
   padding: 0; /* ไม่มี padding */
   border-radius: 50%; /* ทำให้กลม */
}
.work-actions .btn-sm i {
    font-size: 0.9rem; /* ขนาดไอคอน */
    margin: 0; /* ไม่มี margin */
}
.work-actions .btn-delete:hover { /* ทำให้ปุ่มลบใน work-actions เป็นสีแดงตอน hover */
  background-color: var(--danger-color) !important;
  color: white !important;
}


/* ================================= */
/* ======== End Button Styles ======== */
/* ================================= */

/* ตัวกรองและแถบประวัติ */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sort-options label {
    font-weight: 500;
    color: var(--accent-color);
}

.sort-options select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    -webkit-appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="6"><path d="M0 0l6 6 6-6z" fill="%23D4A65F"/></svg>');
    background-repeat: no-repeat;
    background-position: right 0.7em top 50%;
    background-size: 0.65em auto;
}

.sort-options select:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.sort-options select:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.sort-options select option {
    background-color: var(--primary-color);
    color: var(--accent-color);
    padding: 10px;
}

.sort-options select option:checked {
    background-color: var(--secondary-color);
}

.filter-options {
    position: relative;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.filter-btn i {
    color: var(--accent-color);
}

.filter-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    width: 320px;
    z-index: 100;
    display: none;
    margin-top: 0.5rem;
    border-top: 3px solid var(--accent-color);
}

.filter-dropdown.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.filter-group h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.filter-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.filter-items label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
}

.filter-items label:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.filter-items input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-color);
    cursor: pointer;
}

.filter-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-apply, .btn-reset {
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex: 1;
}

.btn-apply {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.btn-apply:hover {
    background-color: #e5b76f;
    transform: translateY(-2px);
}

.btn-reset {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.btn-reset:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* เพิ่มในไฟล์ styles.css */
.policy-content {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
}

.policy-content h2 {
    color: var(--accent-color);
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
}

.policy-content h2:first-child {
    margin-top: 0;
}

.policy-content p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.policy-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

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

.view-options {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.view-btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.view-btn.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* หมวดหมู่ยอดนิยม */
.category-buttons {
    margin-bottom: 2.5rem;
}

.category-buttons h3 {
    margin-bottom: 1.25rem;
    font-size: 1.3rem;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.category-buttons h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    opacity: 0.5;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: 1px solid transparent;
}

.category-item i {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--accent-color);
    transition: var(--transition);
}

.category-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.category-item:hover i {
    transform: scale(1.2);
}

/* ส่วนหัวของแต่ละส่วน */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.75rem;
}

.section-title {
    margin: 0;
    font-size: 1.5rem;
    color: var(--accent-color);
    position: relative;
    padding-left: 0.75rem;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background-color: var(--accent-color);
    border-radius: 3px;
}

.section-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* การ์ดนิยาย/การ์ตูน */
.novel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.novel-card {
    overflow: hidden;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.novel-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.25);
    border-color: rgba(212, 166, 95, 0.3);
}

.novel-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: var(--text-color);
    text-decoration: none;
}

.novel-cover {
    position: relative;
    overflow: hidden;
}

.novel-cover img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.novel-card:hover .novel-cover img {
    transform: scale(1.08);
}

.novel-cover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 70%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.novel-status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    z-index: 1;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.novel-status.ongoing {
    background-color: var(--success-color);
    color: white;
}

.novel-status.completed {
    background-color: var(--info-color);
    color: white;
}

.novel-details {
    padding: 1.25rem 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

.novel-title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    line-height: 1.4;
    font-weight: 600;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.novel-author {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0 0 0.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.novel-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: auto;
}

.novel-info span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.novel-info i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.novel-actions {
    position: absolute;
    top: 10px;
    left: 10px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(5px);
    z-index: 2;
}

.novel-card:hover .novel-actions {
    opacity: 1;
    transform: translateY(0);
}

.btn-favorite {
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.btn-favorite:hover {
    background-color: var(--accent-color);
    transform: scale(1.1);
}

.btn-favorite i.fas {
    color: var(--accent-color);
}

.btn-favorite:hover i {
    color: var(--primary-color);
}

/* สถานะว่างเปล่า */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    grid-column: 1 / -1;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px dashed rgba(255, 255, 255, 0.2);
}

.empty-icon {
    font-size: 3.5rem;
    color: var(--accent-color);
    opacity: 0.5;
    margin-bottom: 1.5rem;
}

.empty-state p {
    margin: 0 0 0.75rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.empty-state p:last-child {
    font-size: 0.9rem;
    max-width: 400px;
    margin: 0 auto;
}

/* แสดงในรูปแบบรายการ */
.novel-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.novel-list .novel-card {
    display: flex;
    flex-direction: row;
    height: auto;
}

.novel-list .novel-link {
    display: flex;
    flex-direction: row;
}

.novel-list .novel-cover {
    width: 120px;
    flex-shrink: 0;
    height: auto;
}

.novel-list .novel-cover img {
    height: 100%;
    aspect-ratio: 2/3;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.novel-list .novel-cover::after {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.novel-list .novel-details {
    padding: 1rem 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.novel-list .novel-title {
    font-size: 1.2rem;
    -webkit-line-clamp: 1;
}

.novel-list .novel-info {
    margin-top: 0.75rem;
}

.novel-list .novel-actions {
    position: static;
    opacity: 1;
    transform: none;
    margin-left: auto;
    margin-right: 1rem;
    align-self: center;
}

/* ปุ่มดูทั้งหมด */
.btn-view-all {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.btn-view-all:hover {
    background-color: #e5b76f;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.view-all {
    text-align: center;
    margin-top: 2rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.page-number,
.page-prev,
.page-next,
.page-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-color);
    transition: var(--transition);
    font-weight: 500;
}

.page-number.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-prev.disabled,
.page-next.disabled {
    opacity: 0.5;
    cursor: default;
    pointer-events: none;
}

.page-number:hover,
.page-prev:hover,
.page-next:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.page-dots {
    background: none;
    cursor: default;
}

/* Animation เมื่อเลื่อนหน้าจอ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    padding: 3rem 2rem 2rem;
    margin-top: 3rem;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
    position: relative;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer-top h3 {
    color: var(--accent-color);
    margin-bottom: 1.25rem;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-top h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-top ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-top ul li {
    margin-bottom: 0.75rem;
}

.footer-top ul li a {
    color: var(--text-color);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.footer-top ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact ul li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact ul li a i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-color);
    transition: var(--transition);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    color: var(--primary-color);
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-logo img {
    height: 35px;
    margin: 0 auto 1.5rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Back to top button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--text-color);
    border: 2px solid var(--accent-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-5px);
}

/* Alert messages */
.alert {
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 4px solid var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-left: 4px solid var(--info-color);
    color: var(--info-color);
}

/* Notification system */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.notification {
    background-color: #333;
    color: white;
    padding: 12px 20px;
    margin-bottom: 10px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification-success {
    background-color: var(--success-color);
}

.notification-error {
    background-color: var(--danger-color);
}

.notification-info {
    background-color: var(--info-color);
}

.notification-warning {
    background-color: var(--warning-color);
}

.notification-content {
    display: flex;
    align-items: center;
}

.notification-message {
    flex-grow: 1;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-color);
    transition: var(--transition);
}

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

.breadcrumbs .separator {
    opacity: 0.5;
}

.breadcrumbs .current {
    color: var(--accent-color);
}

/* Loading spinner */
.loading-spinner {
    display: inline-block;
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

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

.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 0;
    width: 100%;
}

/* Responsive design */
@media (max-width: 1200px) {
    .content-container,
    .header-container,
    .footer-container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (max-width: 992px) {
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .novel-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
    
    .header-right .search-form-header {
        display: none;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--primary-color);
        padding-top: 80px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    nav.active {
        transform: translateX(0);
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    nav ul li a {
        font-size: 1.2rem;
    }
    
    .filter-bar {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .filter-bar .sort-options {
        width: 100%;
    }
    
    .filter-bar .section-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .filter-dropdown {
        width: 100%;
        left: 0;
        right: auto;
    }
    
    .history-tabs {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .novel-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .section-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .novel-list .novel-cover {
        width: 100px;
    }
    
    #back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 576px) {
    .content-container {
        padding: 1.5rem 1rem;
    }
    
    .header-container {
        padding: 0 1rem;
    }
    
    .novel-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filter-items {
        grid-template-columns: 1fr;
    }
    
    .novel-list .novel-card {
        flex-direction: column;
    }
    
    .novel-list .novel-link {
        flex-direction: column;
    }
    
    .novel-list .novel-cover {
        width: 100%;
    }
    
    .novel-list .novel-cover img {
        width: 100%;
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .novel-list .novel-cover::after {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .novel-list .novel-actions {
        position: absolute;
        top: 10px;
        left: 10px;
        margin: 0;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    #back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .page-number,
    .page-prev,
    .page-next {
        min-width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

/* Print styles */
@media print {
    header, footer, .filter-bar, .history-tabs, #back-to-top, .btn-favorite, .category-buttons {
        display: none !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .content-container {
        padding: 0;
        margin: 0;
    }
    
    .novel-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .novel-info {
        color: #555;
    }
}