/**
 * Klav Post Slider - Premium Styles v2.0
 * Color scheme matching Klavcollections (Vouge theme)
 *
 * Colors:
 *   Primary (Wine/Burgundy): #962245
 *   Accent (Dark Burgundy):  #3E101D
 *   Secondary (Warm Cream):  #EFEADE
 *   Tertiary (Light Sage):   #EAF1E5
 *   Body BG (Light Cream):   #F6F9F1
 *   Text:                    #131313
 *   Heading:                 #222121
 *   Border:                  #D9D9D9
 *   Pink:                    #FDE6E1
 *   White:                   #FFFFFF
 *
 * Fonts:
 *   Body:     'Outfit', sans-serif
 *   Heading:  'Instrument Serif', serif
 *   Extended: 'DM Sans', sans-serif
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --klav-ps-primary: #962245;
    --klav-ps-accent: #3E101D;
    --klav-ps-secondary: #EFEADE;
    --klav-ps-tertiary: #EAF1E5;
    --klav-ps-body-bg: #F6F9F1;
    --klav-ps-text: #131313;
    --klav-ps-heading: #222121;
    --klav-ps-border: #D9D9D9;
    --klav-ps-pink: #FDE6E1;
    --klav-ps-white: #FFFFFF;

    --klav-ps-font-body: 'Outfit', sans-serif;
    --klav-ps-font-heading: 'Instrument Serif', serif;
    --klav-ps-font-ext: 'DM Sans', sans-serif;

    --klav-ps-radius: 14px;
    --klav-ps-radius-lg: 20px;
    --klav-ps-shadow: 0 4px 24px rgba(19, 19, 19, 0.06);
    --klav-ps-shadow-hover: 0 20px 50px rgba(150, 34, 69, 0.18), 0 0 0 1px rgba(150, 34, 69, 0.08);
    --klav-ps-transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --klav-ps-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   Section Container
   ============================================ */
.klav-ps-section {
    position: relative;
    padding: 80px 0;
    background-color: var(--klav-ps-body-bg);
    overflow: hidden;
}

/* Animated gradient mesh background */
.klav-ps-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle at 30% 50%, rgba(150, 34, 69, 0.06) 0%, rgba(253, 230, 225, 0.3) 40%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: klavPsFloatBlob 12s ease-in-out infinite;
}

.klav-ps-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -120px;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle at 70% 30%, rgba(234, 241, 229, 0.6) 0%, rgba(150, 34, 69, 0.04) 50%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: klavPsFloatBlob 15s ease-in-out infinite reverse;
}

@keyframes klavPsFloatBlob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ============================================
   Header / Title
   ============================================ */
.klav-ps-header {
    text-align: center;
    margin-bottom: 56px;
    position: relative;
    z-index: 1;
    padding: 0 24px;
}

.klav-ps-title {
    font-family: var(--klav-ps-font-heading);
    font-size: 52px;
    font-weight: 400;
    line-height: 1.15;
    color: var(--klav-ps-heading);
    margin: 0 0 14px 0;
    letter-spacing: -0.025em;
    position: relative;
    display: inline-block;
}

/* Decorative underline with animated gradient */
.klav-ps-header::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--klav-ps-primary), var(--klav-ps-accent), var(--klav-ps-primary));
    background-size: 200% 100%;
    margin: 22px auto 0;
    border-radius: 2px;
    animation: klavPsShimmer 3s ease-in-out infinite;
}

@keyframes klavPsShimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.klav-ps-subtitle {
    font-family: var(--klav-ps-font-body);
    font-size: 17px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--klav-ps-primary);
    margin: 0;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.85;
}

/* ============================================
   Slider Wrapper
   ============================================ */
.klav-ps-slider-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 60px;
}

.klav-ps-swiper {
    overflow: hidden;
    padding-bottom: 20px;
}

/* ============================================
   Card Styles - PREMIUM
   ============================================ */
.klav-ps-card {
    height: 100%;
    border-radius: var(--klav-ps-radius-lg);
    overflow: hidden;
    background: var(--klav-ps-white);
    box-shadow: var(--klav-ps-shadow);
    transition: var(--klav-ps-transition);
    border: 1px solid rgba(217, 217, 217, 0.4);
    position: relative;
}

.klav-ps-card:hover {
    box-shadow: var(--klav-ps-shadow-hover);
    transform: translateY(-10px);
}

/* Glow effect on hover */
.klav-ps-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--klav-ps-radius-lg);
    background: linear-gradient(135deg, rgba(150, 34, 69, 0.04) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.klav-ps-card:hover::before {
    opacity: 1;
}

.klav-ps-card-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    height: 100%;
    position: relative;
    z-index: 2;
}

/* ============================================
   Card Image - PREMIUM
   ============================================ */
.klav-ps-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--klav-ps-secondary);
}

/* Ken Burns slow zoom on image */
.klav-ps-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1), filter 0.5s ease;
    will-change: transform;
}

.klav-ps-card:hover .klav-ps-card-image img {
    transform: scale(1.12) rotate(0.5deg);
}

/* Gradient overlay on image */
.klav-ps-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(62, 16, 29, 0.25) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.klav-ps-card:hover .klav-ps-card-image::after {
    opacity: 1;
}

/* Placeholder image */
.klav-ps-placeholder-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--klav-ps-secondary) 0%, var(--klav-ps-tertiary) 50%, var(--klav-ps-pink) 100%);
    background-size: 200% 200%;
    animation: klavPsPlaceholderGradient 6s ease infinite;
    color: var(--klav-ps-primary);
    opacity: 0.5;
}

@keyframes klavPsPlaceholderGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Category Badge - PREMIUM glass effect */
.klav-ps-category-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    font-family: var(--klav-ps-font-ext);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--klav-ps-white);
    background: linear-gradient(135deg, var(--klav-ps-primary) 0%, var(--klav-ps-accent) 100%);
    border-radius: 24px;
    z-index: 3;
    line-height: 1.4;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(150, 34, 69, 0.3);
    transition: transform 0.4s var(--klav-ps-ease-bounce), box-shadow 0.4s ease;
}

.klav-ps-card:hover .klav-ps-category-badge {
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(150, 34, 69, 0.4);
}

/* ============================================
   Card Content - PREMIUM
   ============================================ */
.klav-ps-card-content {
    padding: 22px 24px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
    position: relative;
}

/* Subtle left accent line */
.klav-ps-card-content::before {
    content: '';
    position: absolute;
    left: 0;
    top: 22px;
    bottom: 28px;
    width: 3px;
    background: linear-gradient(to bottom, var(--klav-ps-primary), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 2px;
}

.klav-ps-card:hover .klav-ps-card-content::before {
    opacity: 1;
}

/* Date - with calendar icon feel */
.klav-ps-date {
    font-family: var(--klav-ps-font-ext);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--klav-ps-primary);
    margin-bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    opacity: 0.85;
}

.klav-ps-date::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--klav-ps-primary);
    border-radius: 50%;
}

/* Title - Premium */
.klav-ps-card-title {
    font-family: var(--klav-ps-font-heading);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.28;
    color: var(--klav-ps-heading);
    margin: 0 0 10px 0;
    transition: color 0.4s ease, letter-spacing 0.4s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.klav-ps-card:hover .klav-ps-card-title {
    color: var(--klav-ps-primary);
    letter-spacing: -0.01em;
}

/* Excerpt */
.klav-ps-excerpt {
    font-family: var(--klav-ps-font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.7;
    color: #777;
    margin: 0 0 18px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.4s ease;
}

.klav-ps-card:hover .klav-ps-excerpt {
    color: #555;
}

/* Read More - PREMIUM animated underline */
.klav-ps-read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--klav-ps-font-ext);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--klav-ps-primary);
    margin-top: auto;
    position: relative;
    padding-bottom: 2px;
    transition: gap 0.4s var(--klav-ps-ease-bounce), color 0.3s ease;
}

/* Animated underline */
.klav-ps-read-more::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--klav-ps-primary), var(--klav-ps-accent));
    border-radius: 1px;
    transition: width 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.klav-ps-card:hover .klav-ps-read-more::after {
    width: 100%;
}

.klav-ps-read-more svg {
    transition: transform 0.4s var(--klav-ps-ease-bounce);
    flex-shrink: 0;
}

.klav-ps-card:hover .klav-ps-read-more {
    color: var(--klav-ps-accent);
    gap: 12px;
}

.klav-ps-card:hover .klav-ps-read-more svg {
    transform: translateX(4px);
}

/* ============================================
   Navigation Arrows - Sleek Minimal
   ============================================ */
.klav-ps-nav-prev,
.klav-ps-nav-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 33, 33, 0.6);
    border: none;
    border-radius: 12px;
    color: var(--klav-ps-white);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
}

/* Show arrows on hover */
.klav-ps-slider-wrapper:hover .klav-ps-nav-prev,
.klav-ps-slider-wrapper:hover .klav-ps-nav-next {
    opacity: 1;
}

.klav-ps-nav-prev:hover,
.klav-ps-nav-next:hover {
    background: var(--klav-ps-primary);
    color: var(--klav-ps-white);
    box-shadow: 0 4px 20px rgba(150, 34, 69, 0.4);
    transform: translateY(-50%) scale(1.08);
}

.klav-ps-nav-prev:active,
.klav-ps-nav-next:active {
    transform: translateY(-50%) scale(0.95);
}

.klav-ps-nav-prev {
    left: -8px;
}

.klav-ps-nav-next {
    right: -8px;
}

.klav-ps-nav-prev.swiper-button-disabled,
.klav-ps-nav-next.swiper-button-disabled {
    opacity: 0 !important;
    pointer-events: none;
}

/* ============================================
   Autoplay Progress Bar
   ============================================ */
.klav-ps-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(217, 217, 217, 0.3);
    z-index: 5;
    overflow: hidden;
    border-radius: 0 0 var(--klav-ps-radius-lg) var(--klav-ps-radius-lg);
}

.klav-ps-progress-bar-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--klav-ps-primary), var(--klav-ps-accent));
    border-radius: 2px;
    transition: width 0.1s linear;
}

/* ============================================
   Counter Badge (Slide X of Y)
   ============================================ */
.klav-ps-counter {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 5;
    font-family: var(--klav-ps-font-ext);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--klav-ps-heading);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 6px 12px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.klav-ps-slider-wrapper:hover .klav-ps-counter {
    opacity: 1;
}

.klav-ps-counter-current {
    color: var(--klav-ps-primary);
    font-weight: 700;
}

/* ============================================
   No Posts Message
   ============================================ */
.klav-ps-no-posts {
    font-family: var(--klav-ps-font-body);
    text-align: center;
    padding: 60px 24px;
    color: var(--klav-ps-text);
    background: linear-gradient(135deg, var(--klav-ps-secondary) 0%, var(--klav-ps-tertiary) 100%);
    border-radius: var(--klav-ps-radius-lg);
    font-size: 16px;
}

/* ============================================
   Entrance Animations - Staggered
   ============================================ */
@keyframes klavPsFadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes klavPsSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.klav-ps-header {
    animation: klavPsFadeUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) both;
}

.klav-ps-slider-wrapper {
    animation: klavPsFadeUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) 0.15s both;
}

/* Card entrance animation */
.swiper-slide {
    animation: klavPsFadeUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) both;
}

/* ============================================
   Coverflow Effect
   ============================================ */
.klav-ps-swiper.swiper-effect-coverflow .klav-ps-card {
    box-shadow: var(--klav-ps-shadow-hover);
}

.klav-ps-swiper.swiper-effect-coverflow .swiper-slide {
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.6s ease;
}

.klav-ps-swiper.swiper-effect-coverflow .swiper-slide:not(.swiper-slide-active) .klav-ps-card {
    opacity: 0.7;
    filter: brightness(0.95);
}

/* ============================================
   Fade Effect
   ============================================ */
.klav-ps-swiper.swiper-effect-fade .swiper-slide {
    opacity: 0 !important;
}

.klav-ps-swiper.swiper-effect-fade .swiper-slide-active {
    opacity: 1 !important;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Large Tablets / Small Desktops */
@media (max-width: 1024px) {
    .klav-ps-title {
        font-size: 42px;
    }

    .klav-ps-slider-wrapper {
        padding: 0 50px;
    }

    .klav-ps-nav-prev {
        left: -4px;
    }

    .klav-ps-nav-next {
        right: -4px;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .klav-ps-section {
        padding: 50px 0;
    }

    .klav-ps-title {
        font-size: 34px;
    }

    .klav-ps-subtitle {
        font-size: 15px;
    }

    .klav-ps-header {
        margin-bottom: 40px;
    }

    .klav-ps-card-title {
        font-size: 20px;
    }

    .klav-ps-slider-wrapper {
        padding: 0 44px;
    }

    .klav-ps-nav-prev,
    .klav-ps-nav-next {
        width: 38px;
        height: 38px;
    }

    .klav-ps-nav-prev {
        left: -2px;
    }

    .klav-ps-nav-next {
        right: -2px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .klav-ps-section {
        padding: 36px 0;
    }

    .klav-ps-title {
        font-size: 28px;
    }

    .klav-ps-subtitle {
        font-size: 14px;
    }

    .klav-ps-header {
        margin-bottom: 30px;
    }

    .klav-ps-slider-wrapper {
        padding: 0 16px;
    }

    .klav-ps-card-content {
        padding: 18px 20px 22px;
    }

    .klav-ps-card-title {
        font-size: 17px;
    }

    .klav-ps-excerpt {
        font-size: 13px;
    }

    .klav-ps-card-image {
        aspect-ratio: 16 / 10;
    }

    /* Hide arrows on mobile, use swipe */
    .klav-ps-nav-prev,
    .klav-ps-nav-next {
        display: none !important;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .klav-ps-card,
    .klav-ps-card-image img,
    .klav-ps-card-image::after,
    .klav-ps-read-more,
    .klav-ps-read-more svg,
    .klav-ps-read-more::after,
    .klav-ps-nav-prev,
    .klav-ps-nav-next,
    .klav-ps-category-badge,
    .klav-ps-card-content::before,
    .klav-ps-card::before,
    .swiper-pagination-bullet {
        transition: none !important;
    }

    .klav-ps-card:hover {
        transform: none;
    }

    .klav-ps-header,
    .klav-ps-slider-wrapper,
    .swiper-slide {
        animation: none !important;
    }

    .klav-ps-section::before,
    .klav-ps-section::after,
    .klav-ps-placeholder-img,
    .klav-ps-header::after {
        animation: none !important;
    }
}

/* ============================================
   Admin Panel Styles (only in wp-admin)
   ============================================ */
.klav-ps-admin-wrap {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

.klav-ps-admin-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--wp-admin-border-color, #dcdcde);
}

.klav-ps-admin-header h1 {
    font-family: 'Instrument Serif', serif;
    font-size: 28px;
    font-weight: 400;
    color: #222121;
    margin: 0;
}

.klav-ps-admin-card {
    background: #fff;
    border: 1px solid #dcdcde;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.klav-ps-admin-card h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #962245;
    margin: 0 0 16px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.klav-ps-admin-field {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.klav-ps-admin-field:last-child {
    margin-bottom: 0;
}

.klav-ps-admin-field label {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: #131313;
    min-width: 180px;
}

.klav-ps-admin-field input[type="number"],
.klav-ps-admin-field input[type="text"],
.klav-ps-admin-field select {
    flex: 1;
    min-width: 200px;
    padding: 8px 14px;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    color: #131313;
    background: #f6f9f1;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.klav-ps-admin-field input:focus,
.klav-ps-admin-field select:focus {
    border-color: #962245;
    box-shadow: 0 0 0 3px rgba(150, 34, 69, 0.1);
    outline: none;
}

.klav-ps-admin-field .description {
    font-size: 12px;
    color: #888;
    width: 100%;
    margin-top: 4px;
}

.klav-ps-admin-shortcode {
    background: linear-gradient(135deg, #fde6e1 0%, #efeade 100%);
    border-radius: 12px;
    padding: 20px 24px;
    font-family: 'DM Sans', monospace;
    font-size: 16px;
    font-weight: 600;
    color: #3e101d;
    text-align: center;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: 2px dashed rgba(150, 34, 69, 0.3);
    transition: all 0.3s ease;
    user-select: all;
}

.klav-ps-admin-shortcode:hover {
    border-color: #962245;
    background: linear-gradient(135deg, #fde6e1 0%, #eaf1e5 100%);
}

.klav-ps-admin-shortcode .copy-hint {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: #962245;
    opacity: 0.7;
    margin-top: 6px;
    letter-spacing: 0;
}

.klav-ps-admin-save-btn {
    background: linear-gradient(135deg, #962245 0%, #3e101d 100%);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(150, 34, 69, 0.25);
}

.klav-ps-admin-save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(150, 34, 69, 0.35);
}