/* ==========================================
   Portfolio Website - Professional Design
   Modern Minimalist Dark Theme 2025
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ==========================================
   CSS Variables
   ========================================== */
:root {
    /* Primary Colors - Refined for Modern Look */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --secondary-gradient: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);

    /* Glassmorphism - Cleaner, less noise */
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-bg-hover: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-border-hover: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

    /* Dark Theme - Deeper, richer blacks */
    --bg-primary: #050507;
    --bg-secondary: #0f1016;
    --bg-tertiary: #181820;
    --bg-elevated: #20202a;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    /* Increased contrast */
    --text-tertiary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-teal: #14b8a6;
    --accent-green: #10b981;
    --accent-red: #ef4444;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    /* Increased from 16 */
    --spacing-lg: 32px;
    /* Increased from 24 */
    --spacing-xl: 48px;
    /* High impact spacing */
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* Border Radius - Smoother */
    --radius-sm: 8px;
    --radius-md: 16px;
    /* Increased from 12 */
    --radius-lg: 24px;
    /* Increased from 16 */
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Shadows - Softer, more diffuse */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 12px 24px -8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 80px rgba(99, 102, 241, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================
   Reset & Base
   ========================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar — Dark Theme */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

*::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

*::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}

*::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.8;
    }
}

::selection {
    background: rgba(102, 126, 234, 0.4);
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   Sticky Header
   ========================================== */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: transparent;
    transition: var(--transition-base);
}

.sticky-header.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.compact-profile {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    animation: fadeIn 0.3s ease-out;
}

.compact-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--glass-border);
}

.compact-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}


/* ==========================================
   Glass Component
   ========================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: 'Kanit', sans-serif;
    border-radius: var(--radius-full);
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-base);
    letter-spacing: 0.3px;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--glass-border);
}

.btn-ghost:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

/* ==========================================
   Main Content
   ========================================== */
.main-content {
    padding-top: 70px;
}

/* ==========================================
   Hero Profile Section
   ========================================== */
.hero-profile {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.profile-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-xl);
    text-align: left;
    padding: var(--spacing-2xl);
    background: rgba(10, 10, 15, 0.6);
    /* Slightly darker for contrast */
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: fadeInUp 0.8s ease-out;
}

.profile-image-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

.profile-image-wrapper::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: var(--primary-gradient);
    border-radius: 50%;
    animation: rotate 10s linear infinite;
    z-index: -1;
}

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

    to {
        transform: rotate(360deg);
    }
}

.profile-image {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow-md);
}

.profile-info {
    flex: 1;
    min-width: 0;
}

.profile-name {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.profile-bio {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.profile-email {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-fast);
}

.profile-email:hover {
    color: var(--accent-teal);
}

.profile-socials {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
}

.social-btn:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--text-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

/* ==========================================
   Portfolio Section
   ========================================== */
.portfolio-section {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Kanit', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

.title-icon {
    font-size: 1.2em;
}

.section-subtitle {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.section-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

.visitor-stats {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.visitor-stats svg {
    opacity: 0.7;
}

/* ==========================================
   Filter Tabs
   ========================================== */
.filter-container {
    margin-bottom: var(--spacing-xl);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filter-container::-webkit-scrollbar {
    display: none;
}

.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.filter-tab:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.tab-label {
    font-weight: 500;
}

.tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.filter-tab.active .tab-count {
    background: rgba(255, 255, 255, 0.25);
}

/* ==========================================
   Portfolio Grid
   ========================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* ==========================================
   Portfolio Card
   ========================================== */
.portfolio-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    animation: fadeInUp 0.6s ease-out backwards;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.12);
}

.card-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 8px 24px rgba(0, 0, 0, 0.2),
        inset 0 -2px 6px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .card-image img {
    transform: scale(1.08);
}

.image-count {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 500;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.item-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    /* Standard property */
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
    white-space: pre-wrap;
    /* Preserves line breaks */
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
}

.tag {
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.12);
    border-radius: var(--radius-full);
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: 500;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: auto;
}

.tag-more {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-tertiary);
}

/* ==========================================
   Empty State
   ========================================== */
.empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-tertiary);
}

/* ==========================================
   Modal
   ========================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 1100px;
    max-height: 95vh;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.92) translateY(30px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 55, 95, 0.8);
    border-color: transparent;
    transform: scale(1.1);
}

/* ==========================================
   Modal Carousel — Large & Immersive
   ========================================== */
.modal-carousel {
    position: relative;
    width: 100%;
    height: 55vh;
    min-height: 350px;
    background: #08080c;
    overflow: hidden;
}

.carousel-images {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    padding: var(--spacing-md);
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    cursor: pointer;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-base);
    z-index: 5;
}

.carousel-nav:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: var(--spacing-sm);
}

.carousel-next {
    right: var(--spacing-sm);
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 5;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-full);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.indicator-dot.active {
    width: 24px;
    background: var(--accent-blue);
    border-radius: var(--radius-full);
}

/* ==========================================
   Modal Info — Clean & Readable
   ========================================== */
.modal-info {
    padding: var(--spacing-xl) var(--spacing-2xl);
    overflow-y: auto;
}

.modal-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    white-space: pre-wrap;
    font-size: 1rem;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
}

.modal-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}


/* ==========================================
   Loading State
   ========================================== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-tertiary);
    gap: var(--spacing-md);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-profile {
        padding: var(--spacing-xl) 0;
    }

    .profile-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: var(--spacing-lg);
    }

    .profile-image-wrapper {
        width: 80px;
        height: 80px;
    }

    .profile-socials {
        justify-content: center;
    }

    .filter-tabs {
        justify-content: flex-start;
        flex-wrap: nowrap;
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .modal-carousel {
        height: 40vh;
        min-height: 250px;
    }

    .modal-info {
        padding: var(--spacing-lg);
    }

    .modal-title {
        font-size: 1.3rem;
    }

    .modal-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .filter-tab {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.85rem;
    }

    .tab-count {
        min-width: 20px;
        height: 20px;
        font-size: 0.75rem;
    }

    .card-image {
        height: 180px;
    }
}

/* Glass Card Utility (defined above in Glass Component section) */

/* ==========================================
   Authentication Pages
   ========================================== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: var(--spacing-2xl);
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
}

.auth-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-group label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.input {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
}

.input::placeholder {
    color: var(--text-muted);
}

.input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.15);
}

/* Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(67, 233, 123, 0.15);
    border: 1px solid rgba(67, 233, 123, 0.3);
    color: #43e97b;
}

.alert-error {
    background: rgba(255, 55, 95, 0.15);
    border: 1px solid rgba(255, 55, 95, 0.3);
    color: #ff375f;
}

.alert-info {
    background: rgba(90, 200, 250, 0.15);
    border: 1px solid rgba(90, 200, 250, 0.3);
    color: #5ac8fa;
}

/* Text Utilities */
.text-center {
    text-align: center;
}

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

.text-muted a {
    color: var(--accent-blue);
    text-decoration: none;
}

.text-muted a:hover {
    text-decoration: underline;
}

/* ==========================================
   Management Page Styles
   ========================================== */
.management-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.form-card {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.08);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.button-danger {
    background: linear-gradient(135deg, #ff375f 0%, #ff6b9d 100%);
}

/* Items List */
.items-list {
    padding: var(--spacing-xl);
}

.items-title {
    font-family: 'Kanit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Tag Chip (management page) */
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: var(--accent-purple);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.tag-chip:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.item-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: start;
    gap: var(--spacing-lg);
}

.item-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
    gap: 6px;
    max-width: 300px;
    min-width: 200px;
}

.item-images img {
    width: 100%;
    height: 55px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-fast);
}

.item-images img:hover {
    border-color: var(--accent-blue);
    opacity: 0.85;
}

.item-image {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.item-content {
    flex: 1;
}

.item-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.item-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.item-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.icon-button {
    padding: var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-base);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-button:hover {
    background: var(--accent-pink);
    border-color: transparent;
}

/* Header for Management */
.header {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--spacing-xl);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-logout {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-logout:hover {
    background: rgba(255, 55, 95, 0.2);
    border-color: rgba(255, 55, 95, 0.4);
}

@media (max-width: 768px) {
    .item-card {
        grid-template-columns: 1fr;
    }

    .item-images {
        grid-template-columns: repeat(3, 70px);
    }

    .item-image {
        width: 100%;
        height: 160px;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ==========================================
   Skeleton Loading
   ========================================== */
.skeleton {
    background: linear-gradient(90deg,
            var(--bg-tertiary) 25%,
            var(--bg-elevated) 50%,
            var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite ease-in-out;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-profile {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.skeleton-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skeleton-title {
    height: 28px;
    width: 60%;
}

.skeleton-text {
    height: 16px;
    width: 100%;
}

.skeleton-text.short {
    width: 40%;
}

.skeleton-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.skeleton-image {
    height: 200px;
    border-radius: 0;
}

.skeleton-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ==========================================
   Search and Sort Controls
   ========================================== */
.controls-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: center;
    justify-content: center;
}

.search-box {
    flex: 1;
    max-width: 350px;
    position: relative;
}

.sort-select {
    flex-shrink: 0;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) 48px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
    height: 50px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: var(--glass-bg-hover);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-clear:hover {
    background: var(--accent-pink);
    color: white;
}

.sort-select select {
    padding: var(--spacing-sm) var(--spacing-lg);
    padding-right: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-base);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.sort-select select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.sort-select select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg) 0;
    background: transparent;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
}

.footer-brand {
    display: none;
}

.footer-socials {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    text-align: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1000;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ==========================================
   Image Zoom Modal
   ========================================== */
.zoom-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.zoom-overlay.active {
    opacity: 1;
    visibility: visible;
}

.zoom-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.zoom-close:hover {
    background: var(--accent-pink);
    border-color: transparent;
}

.zoom-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: var(--spacing-xl);
    cursor: grab;
}

.zoom-container:active {
    cursor: grabbing;
}

.zoom-image {
    max-width: none;
    max-height: none;
    transition: transform 0.2s ease;
    user-select: none;
    -webkit-user-drag: none;
}

.zoom-controls {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

.zoom-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.zoom-btn:hover {
    background: var(--accent-blue);
    border-color: transparent;
}

.zoom-level {
    min-width: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.carousel-zoom {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.carousel-zoom:hover {
    background: var(--accent-blue);
    border-color: transparent;
}

.zoom-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.zoom-nav:hover {
    background: var(--accent-blue);
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

.zoom-prev {
    left: var(--spacing-xl);
}

.zoom-next {
    right: var(--spacing-xl);
}

/* ==========================================
   Responsive - Mobile Controls
   ========================================== */
@media (max-width: 768px) {
    .controls-bar {
        flex-direction: column;
    }

    .search-box {
        max-width: 100%;
    }

    .sort-select {
        width: 100%;
    }

    .sort-select select {
        width: 100%;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-socials {
        justify-content: center;
    }

    .back-to-top {
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        width: 44px;
        height: 44px;
    }

    .contact-fab {
        right: var(--spacing-md);
        bottom: calc(var(--spacing-md) + 56px);
        width: 44px;
        height: 44px;
    }

    .skeleton-profile {
        flex-direction: column;
        align-items: center;
    }

    .skeleton-info {
        align-items: center;
    }

    .skeleton-title,
    .skeleton-text {
        width: 80%;
    }

    .skeleton-text.short {
        width: 50%;
    }
}

/* ==========================================
   Language Toggle
   ========================================== */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-toggle:hover {
    background: var(--accent-blue);
    color: white;
    border-color: transparent;
}

.lang-flag {
    font-size: 1rem;
}

/* ==========================================
   Floating Contact Button (FAB)
   ========================================== */
.contact-fab {
    position: fixed;
    bottom: calc(var(--spacing-xl) + 60px);
    right: var(--spacing-xl);
    z-index: 1000;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    box-shadow: var(--shadow-lg), 0 4px 15px rgba(99, 102, 241, 0.4);
    transition: var(--transition-base);
}

.contact-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl), 0 8px 25px rgba(99, 102, 241, 0.5);
}

.contact-fab svg {
    transition: transform 0.3s ease;
}

.contact-fab:hover svg {
    transform: rotate(-15deg);
}

/* Contact Modal Overlay */
.contact-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.contact-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Contact Modal */
.contact-modal {
    position: relative;
    width: calc(100% - 32px);
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-xl);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-base);
    box-sizing: border-box;
}

.contact-modal-overlay.active .contact-modal {
    transform: scale(1) translateY(0);
}

.contact-modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.contact-modal-close:hover {
    background: var(--accent-red);
    color: white;
    border-color: transparent;
}

.contact-modal-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.contact-modal-title {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.contact-modal-subtitle {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Contact Form Wrapper (unused but kept for compatibility) */
.contact-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition-fast);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-full {
    width: 100%;
    justify-content: center;
    gap: var(--spacing-sm);
}

.form-message {
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(52, 199, 89, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(52, 199, 89, 0.3);
}

.form-message.error {
    display: block;
    background: rgba(255, 69, 58, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(255, 69, 58, 0.3);
}

/* Mobile responsive */
@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: var(--spacing-lg);
    }
}