/*
 * Custom CSS Improvements - Pustaka Nurja
 * Perbaikan tampilan berdasarkan template Partsix
 * Author: Frontend Expert
 * Version: 1.0
 */

/* ================================
   CSS VARIABLES OVERRIDE
   ================================ */
:root {
    --pn-primary: #ED1D24;
    --pn-primary-dark: #c5171d;
    --pn-secondary: #212121;
    --pn-accent: #FF6B35;
    --pn-success: #10B981;
    --pn-warning: #F59E0B;
    --pn-danger: #EF4444;
    --pn-info: #3B82F6;
    
    --pn-bg-light: #F8FAFC;
    --pn-bg-white: #FFFFFF;
    --pn-text-dark: #1E293B;
    --pn-text-muted: #64748B;
    --pn-border: #E2E8F0;
    
    --pn-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --pn-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --pn-shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --pn-shadow-lg: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    --pn-radius-sm: 6px;
    --pn-radius: 12px;
    --pn-radius-lg: 16px;
    --pn-radius-xl: 24px;
    
    --pn-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================
   PRELOADER IMPROVEMENTS
   ================================ */
#preloader {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.animation-preloader .spinner {
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--pn-primary);
}

.txt-loading .letters-loading {
    font-weight: 600;
    letter-spacing: 4px;
}

/* ================================
   HEADER IMPROVEMENTS
   ================================ */
.header__topbar {
    padding: 8px 0;
    background: linear-gradient(90deg, var(--pn-secondary) 0%, #2d2d2d 100%) !important;
}

.header__topbar--info {
    gap: 24px;
}

.header__info--link {
    font-size: 13px;
    font-weight: 500;
    transition: var(--pn-transition);
    opacity: 0.9;
}

.header__info--link:hover {
    opacity: 1;
    color: var(--pn-primary) !important;
}

.header__link--menu__text {
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--pn-transition);
}

.header__link--menu__text:hover {
    color: var(--pn-primary) !important;
}

.social__share--icon {
    width: 32px;
    height: 32px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: var(--pn-transition);
}

.social__share--icon:hover {
    background: var(--pn-primary);
    transform: translateY(-2px);
}

/* ================================
   NAVBAR IMPROVEMENTS
   ================================ */
.main__header {
    background: var(--pn-bg-white);
    box-shadow: var(--pn-shadow-sm);
}

.main__logo--img {
    max-height: 50px;
    transition: var(--pn-transition);
}

.header__menu--items {
    padding: 0 16px;
}

.header__menu--link {
    font-size: 15px;
    font-weight: 600;
    color: var(--pn-text-dark);
    padding: 12px 0;
    position: relative;
    transition: var(--pn-transition);
}

.header__menu--link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--pn-primary);
    transition: var(--pn-transition);
}

.header__menu--link:hover::after,
.header__menu--items.active .header__menu--link::after {
    width: 100%;
}

.header__menu--link:hover {
    color: var(--pn-primary);
}

/* Search Box */
.header__search--box {
    border-radius: var(--pn-radius);
    overflow: hidden;
    box-shadow: var(--pn-shadow-sm);
    border: 1px solid var(--pn-border);
}

.header__search--input {
    border: none;
    padding: 12px 16px;
    font-size: 14px;
}

.header__search--input:focus {
    outline: none;
    box-shadow: none;
}

.header__search--button {
    background: var(--pn-primary);
    border: none;
    padding: 12px 20px;
    transition: var(--pn-transition);
}

.header__search--button:hover {
    background: var(--pn-primary-dark);
}

/* Action Icons */
.header__account--btn,
.minicart__open--btn {
    position: relative;
    padding: 10px;
    border-radius: var(--pn-radius);
    transition: var(--pn-transition);
}

.header__account--btn:hover,
.minicart__open--btn:hover {
    background: var(--pn-bg-light);
}

.items__count {
    background: var(--pn-primary);
    font-weight: 600;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 11px;
}

/* ================================
   SECTION HEADINGS
   ================================ */
.section__heading {
    margin-bottom: 32px;
    padding-bottom: 16px;
}

.section__heading--maintitle {
    font-size: 24px;
    font-weight: 700;
    color: var(--pn-text-dark);
    letter-spacing: -0.5px;
}

.section__heading--maintitle span {
    color: var(--pn-primary);
}

/* ================================
   BOOK CARDS IMPROVEMENTS
   ================================ */
.book-card {
    background: var(--pn-bg-white);
    border-radius: var(--pn-radius);
    padding: 16px;
    transition: var(--pn-transition);
    border: 1px solid var(--pn-border);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--pn-shadow-md);
    border-color: transparent;
}

.book-card img {
    border-radius: var(--pn-radius-sm);
    transition: var(--pn-transition);
}

.book-card:hover img {
    transform: scale(1.02);
}

/* Product Card */
.product__items {
    background: var(--pn-bg-white);
    border-radius: var(--pn-radius);
    overflow: hidden;
    transition: var(--pn-transition);
    border: 1px solid var(--pn-border);
}

.product__items:hover {
    box-shadow: var(--pn-shadow-md);
    border-color: transparent;
}

.product__items--thumbnail {
    overflow: hidden;
}

.product__items--img {
    transition: var(--pn-transition);
}

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

.product__items--content {
    padding: 16px;
}

.product__items--content__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--pn-text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.current__price {
    font-size: 18px;
    font-weight: 700;
    color: var(--pn-primary);
}

.old__price {
    font-size: 14px;
    color: var(--pn-text-muted);
    text-decoration: line-through;
}

/* ================================
   CATEGORIES IMPROVEMENTS
   ================================ */
.categories__card--style3 {
    background: var(--pn-bg-white);
    border-radius: var(--pn-radius);
    padding: 16px;
    transition: var(--pn-transition);
    border: 1px solid var(--pn-border);
}

.categories__card--style3:hover {
    box-shadow: var(--pn-shadow-md);
    transform: translateY(-4px);
}

.categories__thumbnail--img {
    border-radius: var(--pn-radius-sm) !important;
    transition: var(--pn-transition);
}

.categories__content--title {
    font-size: 14px !important;
    font-weight: 500;
    color: var(--pn-text-dark);
    line-height: 1.5;
}

/* ================================
   SEARCH FILTER SECTION
   ================================ */
.search__filter--inner {
    background: var(--pn-bg-white);
    border-radius: var(--pn-radius-lg) !important;
    padding: 32px;
    box-shadow: var(--pn-shadow-sm);
    border: 1px solid var(--pn-border);
}

/* ================================
   HERO SECTION
   ================================ */
.hero__slider--section {
    margin: 24px 0;
}

.slider__thumbnail--img__style5 {
    border-radius: var(--pn-radius-lg) !important;
    object-fit: cover;
}

.hero__content--style5 {
    padding: 32px;
}

.hero__content--style5__title {
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* ================================
   BUTTONS IMPROVEMENTS
   ================================ */
.primary__btn {
    background: var(--pn-primary);
    border: none;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--pn-radius);
    transition: var(--pn-transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.primary__btn:hover {
    background: var(--pn-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--pn-shadow);
}

.btn-primary {
    background: var(--pn-primary) !important;
    border-color: var(--pn-primary) !important;
    border-radius: var(--pn-radius-sm);
    font-weight: 600;
    padding: 10px 20px;
    transition: var(--pn-transition);
}

.btn-primary:hover {
    background: var(--pn-primary-dark) !important;
    border-color: var(--pn-primary-dark) !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    border: 2px solid var(--pn-primary);
    color: var(--pn-primary);
    border-radius: var(--pn-radius-sm);
    font-weight: 600;
    transition: var(--pn-transition);
}

.btn-outline-primary:hover {
    background: var(--pn-primary);
    border-color: var(--pn-primary);
    color: white;
}

.btn-outline-secondary {
    border: 1px solid var(--pn-border);
    color: var(--pn-text-dark);
    border-radius: var(--pn-radius-sm);
    transition: var(--pn-transition);
}

.btn-outline-secondary:hover {
    background: var(--pn-bg-light);
    border-color: var(--pn-border);
}

.btn-outline-danger {
    border: 2px solid var(--pn-danger);
    color: var(--pn-danger);
    border-radius: var(--pn-radius-sm);
    font-weight: 600;
}

.btn-outline-danger:hover {
    background: var(--pn-danger);
    color: white;
}

.btn-outline-success {
    border: 2px solid var(--pn-success);
    color: var(--pn-success);
    border-radius: var(--pn-radius-sm);
    font-weight: 600;
}

.btn-outline-success:hover {
    background: var(--pn-success);
    color: white;
}

/* ================================
   FORMS IMPROVEMENTS
   ================================ */
.form-control {
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--pn-transition);
}

.form-control:focus {
    border-color: var(--pn-primary);
    box-shadow: 0 0 0 3px rgba(237, 29, 36, 0.1);
}

.form-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--pn-text-dark);
    margin-bottom: 8px;
}

.input-group {
    border-radius: var(--pn-radius-sm);
    overflow: hidden;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .btn {
    border-radius: 0;
}

/* ================================
   BREADCRUMB IMPROVEMENTS
   ================================ */
.breadcrumb {
    background: var(--pn-bg-white);
    padding: 16px 24px;
    border-radius: var(--pn-radius);
    box-shadow: var(--pn-shadow-sm);
    margin-bottom: 24px;
}

.breadcrumb-item a {
    color: var(--pn-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--pn-transition);
}

.breadcrumb-item a:hover {
    color: var(--pn-primary);
}

.breadcrumb-item.active {
    color: var(--pn-text-dark);
    font-weight: 600;
}

/* ================================
   TABS IMPROVEMENTS
   ================================ */
.nav-tabs {
    border-bottom: 2px solid var(--pn-border);
    gap: 8px;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--pn-text-muted);
    font-weight: 600;
    padding: 12px 24px;
    margin-bottom: -2px;
    transition: var(--pn-transition);
    border-radius: var(--pn-radius-sm) var(--pn-radius-sm) 0 0;
}

.nav-tabs .nav-link:hover {
    color: var(--pn-primary);
    background: var(--pn-bg-light);
}

.nav-tabs .nav-link.active {
    color: var(--pn-primary);
    border-bottom-color: var(--pn-primary);
    background: transparent;
}

.tab-content {
    background: var(--pn-bg-white);
    border-radius: 0 0 var(--pn-radius) var(--pn-radius);
    border: 1px solid var(--pn-border);
    border-top: none;
}

/* ================================
   CARDS IMPROVEMENTS
   ================================ */
.card {
    border: 1px solid var(--pn-border);
    border-radius: var(--pn-radius);
    overflow: hidden;
    transition: var(--pn-transition);
}

.card:hover {
    box-shadow: var(--pn-shadow-md);
}

.card-img-top {
    transition: var(--pn-transition);
}

.card:hover .card-img-top {
    transform: scale(1.03);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-weight: 600;
    color: var(--pn-text-dark);
    margin-bottom: 12px;
}

/* ================================
   MODAL IMPROVEMENTS
   ================================ */
.modal-content {
    border: none;
    border-radius: var(--pn-radius-lg);
    box-shadow: var(--pn-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--pn-border);
    padding: 20px 24px;
}

.modal-title {
    font-weight: 700;
    color: var(--pn-text-dark);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--pn-border);
    padding: 16px 24px;
}

.btn-close {
    opacity: 0.5;
    transition: var(--pn-transition);
}

.btn-close:hover {
    opacity: 1;
}

/* ================================
   PRODUCT DETAILS PAGE
   ================================ */
.product__details--section {
    background: var(--pn-bg-white);
    border-radius: var(--pn-radius-lg);
    box-shadow: var(--pn-shadow-sm);
    border: 1px solid var(--pn-border);
}

.product__details--info__title {
    font-size: 28px;
    font-weight: 700;
    color: var(--pn-text-dark);
    line-height: 1.3;
}

.product__details--info__price .current__price {
    font-size: 28px;
    font-weight: 700;
    color: var(--pn-primary);
}

.product__media--preview__items--img {
    border-radius: var(--pn-radius);
    transition: var(--pn-transition);
}

.product__media--preview__items--img:hover {
    box-shadow: var(--pn-shadow-md);
}

/* ================================
   FOOTER IMPROVEMENTS
   ================================ */
.footer__section {
    background: linear-gradient(180deg, var(--pn-secondary) 0%, #1a1a1a 100%);
}

.footer__widget--title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer__widget--title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--pn-primary);
    border-radius: 2px;
}

.footer__widget--menu__text {
    font-size: 14px;
    transition: var(--pn-transition);
    opacity: 0.8;
}

.footer__widget--menu__text:hover {
    opacity: 1;
    color: var(--pn-primary) !important;
    padding-left: 8px;
}

.copyright__content {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
}

/* ================================
   UTILITY CLASSES
   ================================ */
.shadow-pn {
    box-shadow: var(--pn-shadow);
}

.shadow-pn-md {
    box-shadow: var(--pn-shadow-md);
}

.rounded-pn {
    border-radius: var(--pn-radius);
}

.rounded-pn-lg {
    border-radius: var(--pn-radius-lg);
}

.text-primary-pn {
    color: var(--pn-primary) !important;
}

.bg-primary-pn {
    background-color: var(--pn-primary) !important;
}

.hover-lift {
    transition: var(--pn-transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* ================================
   RESPONSIVE ADJUSTMENTS
   ================================ */
@media (max-width: 991px) {
    .search__filter--inner {
        padding: 24px 16px;
    }
    
    .section__heading--maintitle {
        font-size: 20px;
    }
    
    .product__details--info__title {
        font-size: 22px;
    }
}

@media (max-width: 767px) {
    .header__topbar--info {
        display: none !important;
    }
    
    .section__heading {
        margin-bottom: 20px;
    }
    
    .section__heading--maintitle {
        font-size: 18px;
    }
    
    .breadcrumb {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .product__details--info__title {
        font-size: 20px;
    }
    
    .product__details--info__price .current__price {
        font-size: 22px;
    }
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease forwards;
}

/* Stagger animation for lists */
.stagger-animation > * {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ================================
   SCROLLBAR STYLING
   ================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--pn-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--pn-text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pn-text-dark);
}

/* ================================
   SELECTION STYLING
   ================================ */
::selection {
    background: var(--pn-primary);
    color: white;
}