/**
 * Pixel Gallery - Kinetic Right-Drawer Navigation Styles (nav.css)
 * ระบบ Navbar และ Kinetic Drawer Menu ทางฝั่งขวา (ตามข้อกำหนดหน้า 6)
 * รองรับทั้ง Light/Dark Mode, Dynamic Shapes และแอนิเมชัน GSAP ระดับโปร
 */

/* ==========================================================================
   1. Navbar Container (.pg-navbar)
   ========================================================================== */
.pg-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    z-index: 9990;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    box-sizing: border-box;
    font-family: var(--font-sans, 'Kanit', sans-serif);
    background-color: transparent;
    transition: background-color 0.35s ease, backdrop-filter 0.35s ease, box-shadow 0.35s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    user-select: none;
}

/* สถานะเมื่อเลื่อนหน้าจอลงมา (Scrolled State) */
.pg-navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* Logo */
.pg-nav-logo {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--text-dark, #222222);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.2s ease;
}

.pg-nav-logo:hover {
    opacity: 0.8;
}

/* กลุ่มปุ่มด้านขวา */
.pg-nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* ปุ่ม Dark Mode Toggle ใน Navbar */
.pg-theme-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-dark, #222222);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, transform 0.2s;
    outline: none;
}

.pg-theme-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.08);
}

.pg-theme-btn svg {
    width: 20px;
    height: 20px;
}

/* ปุ่ม Cart Icon Button */
.pg-cart-btn {
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-dark, #222222);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.2s ease;
    outline: none;
}

.pg-cart-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.08);
}

.pg-cart-btn:active {
    transform: scale(0.95);
}

.pg-cart-btn svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    display: block;
}

/* ปุ่ม Menu Toggle Button */
.pg-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-dark, #222222);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    padding: 8px 14px;
    border-radius: 9999px;
    transition: background-color 0.2s ease, transform 0.2s ease;
    outline: none;
    z-index: 9995;
}

.pg-menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.pg-menu-text {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    min-width: 44px;
    text-align: right;
}

.pg-menu-icon {
    font-size: 1.35rem;
    line-height: 1;
    font-weight: 400;
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   2. Right-Drawer Overlay & Panels (งานที่ 6 ในไฟล์สิ่งที่ต้องแก้)
   ========================================================================== */
.pg-nav-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    z-index: 9992;
    overflow: hidden;
    pointer-events: none;
    visibility: hidden;
    transition: visibility 0.4s ease;
}

body.pg-nav-open .pg-nav-overlay {
    pointer-events: auto;
    visibility: visible;
}

body.pg-nav-open {
    overflow: hidden;
}

/* ฉากหลังม่านสีเข้มฝั่งซ้าย */
.pg-nav-dim-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.4s ease;
    cursor: pointer;
}

body.pg-nav-open .pg-nav-dim-backdrop {
    opacity: 1;
}

/* แผงเมนูด้านขวา (Right Slide-Out Panel) */
.pg-nav-drawer {
    position: absolute;
    top: 0;
    right: 0;
    width: 480px;
    max-width: 90vw;
    height: 100%;
    background-color: #f0f0f2;
    box-shadow: -15px 0 45px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(101%);
    transition: transform 0.5s cubic-bezier(0.65, 0.05, 0, 1);
    z-index: 10;
    border-top-left-radius: 20px;
    border-bottom-left-radius: 20px;
}

body.pg-nav-open .pg-nav-drawer {
    transform: translateX(0%);
}

/* แผ่นเลเยอร์พื้นหลังหลายชั้นสไตล์ Sterling Gate Kinetic */
.pg-nav-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    transform: translateX(101%);
    transition: transform 0.55s cubic-bezier(0.65, 0.05, 0, 1);
}

.pg-nav-layer-1 {
    background-color: #2b2b36;
    transition-delay: 0s;
}

.pg-nav-layer-2 {
    background-color: #1f1f28;
    transition-delay: 0.06s;
}

.pg-nav-layer-3 {
    background-color: #e5e5e7;
    transition-delay: 0.12s;
}

body.pg-nav-open .pg-nav-layer {
    transform: translateX(0%);
}

/* ส่วนหัวของ Drawer (Header: click me Close X) */
.pg-nav-drawer-header {
    position: relative;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 28px 36px 12px;
}

.pg-nav-hint {
    font-size: 0.85rem;
    font-style: italic;
    color: #888888;
    font-family: serif;
    letter-spacing: 0.5px;
    user-select: none;
}

.pg-nav-drawer-close {
    background: transparent;
    border: none;
    font-family: var(--font-sans, 'Kanit', sans-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: #111111;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: background-color 0.2s, transform 0.2s;
}

.pg-nav-drawer-close:hover {
    background-color: rgba(0, 0, 0, 0.08);
    transform: scale(1.05);
}

.pg-nav-drawer-close svg {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   3. Dynamic Shapes Behind Menu Items
   ========================================================================== */
.pg-nav-ambient-shapes {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 5;
}

.bg-shape {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.6);
    width: 380px;
    height: 380px;
    opacity: 0;
    filter: blur(35px);
    -webkit-filter: blur(35px);
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.bg-shape.active {
    opacity: 0.85;
    transform: translate(-50%, -50%) scale(1.1);
}

.bg-shape-1 {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, rgba(139, 92, 246, 0.2) 60%, transparent 80%);
}

.bg-shape-2 {
    background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, rgba(244, 63, 94, 0.2) 60%, transparent 80%);
}

.bg-shape-3 {
    background: radial-gradient(circle, rgba(34, 197, 94, 0.4) 0%, rgba(16, 185, 129, 0.2) 60%, transparent 80%);
}

.bg-shape-4 {
    background: radial-gradient(circle, rgba(249, 115, 22, 0.4) 0%, rgba(234, 88, 12, 0.2) 60%, transparent 80%);
}

.bg-shape-5 {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, rgba(14, 165, 233, 0.2) 60%, transparent 80%);
}

/* ==========================================================================
   4. Menu Content & Links (.pg-drawer-menu)
   ========================================================================== */
.pg-drawer-content {
    position: relative;
    z-index: 20;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 48px 40px;
    box-sizing: border-box;
}

.pg-drawer-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pg-drawer-menu-item {
    position: relative;
}

.pg-drawer-link {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-sans, 'Kanit', sans-serif);
    font-size: clamp(2rem, 4.5vw, 2.9rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    color: #131313;
    transition: color 0.25s, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
}

.pg-drawer-link:hover {
    color: #3b82f6;
    transform: translateX(10px);
}

/* ป้ายบอกจำนวนในตะกร้าสำหรับ Drawer Link */
.pg-drawer-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    margin-left: 12px;
    border-radius: 9999px;
    background-color: #ef4444;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1;
    vertical-align: middle;
}

/* Footer ข้อมูลย่อยด้านล่างของ Drawer */
.pg-drawer-footer {
    position: relative;
    z-index: 20;
    padding: 20px 48px 36px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.85rem;
    color: #666666;
}

.pg-drawer-footer a {
    color: #111111;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.pg-drawer-footer a:hover {
    color: #3b82f6;
}

/* ==========================================================================
   5. Modals (About Us & Contact Us Popups)
   ========================================================================== */
.pg-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99998;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.pg-modal-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 36px 32px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    font-family: var(--font-sans, 'Kanit', sans-serif);
    color: #222222;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pg-modal-overlay.open .pg-modal-card {
    transform: translateY(0) scale(1);
}

.pg-modal-close {
    position: absolute;
    top: 18px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: #888888;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.pg-modal-close:hover {
    color: #111111;
}

.pg-modal-title {
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: #111111;
}

.pg-modal-body p {
    font-size: 0.95rem;
    line-height: 1.65;
    color: #555555;
    margin-bottom: 14px;
}

.pg-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
}

.pg-contact-item:last-child {
    border-bottom: none;
}

.pg-contact-label {
    font-weight: 500;
    color: #222222;
    min-width: 80px;
}

/* ==========================================================================
   6. Dark Mode Styles
   ========================================================================== */
body.dark-mode .pg-navbar.scrolled {
    background-color: rgba(17, 17, 17, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

body.dark-mode .pg-nav-logo,
body.dark-mode .pg-cart-btn,
body.dark-mode .pg-menu-toggle,
body.dark-mode .pg-theme-btn {
    color: #ffffff;
}

body.dark-mode .pg-cart-btn:hover,
body.dark-mode .pg-menu-toggle:hover,
body.dark-mode .pg-theme-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .pg-nav-drawer {
    background-color: #181820;
    box-shadow: -15px 0 45px rgba(0, 0, 0, 0.6);
}

body.dark-mode .pg-nav-layer-3 {
    background-color: #181820;
}

body.dark-mode .pg-nav-drawer-close {
    color: #ffffff;
}

body.dark-mode .pg-nav-drawer-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .pg-drawer-link {
    color: #f3f4f6;
}

body.dark-mode .pg-drawer-link:hover {
    color: #60a5fa;
}

body.dark-mode .pg-drawer-footer {
    border-top-color: rgba(255, 255, 255, 0.08);
    color: #9ca3af;
}

body.dark-mode .pg-drawer-footer a {
    color: #ffffff;
}

body.dark-mode .pg-modal-card {
    background: #1e1e28;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .pg-modal-title {
    color: #ffffff;
}

body.dark-mode .pg-modal-body p {
    color: #d1d5db;
}

body.dark-mode .pg-contact-item {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .pg-contact-label {
    color: #f3f4f6;
}

/* ==========================================================================
   7. Mobile Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .pg-navbar {
        height: 60px;
        padding: 0 4%;
    }

    .pg-nav-logo {
        font-size: 1rem;
        letter-spacing: 1.5px;
    }

    .pg-menu-text {
        display: none;
    }

    .pg-nav-drawer {
        width: 100%;
        max-width: 100vw;
        border-radius: 0;
    }

    .pg-drawer-content {
        padding: 20px 32px 30px;
    }

    .pg-drawer-link {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
}