/**
 * TrishaUtsav — Custom Styles & Mobile-First Design System
 * =========================================================
 */

/* =============================================
   0. CSS Custom Properties (Design Tokens)
   ============================================= */
:root {
    --tu-crimson: #990024;
    --tu-crimson-dark: #7a001c;
    --tu-ivory: #fffdf7;
    --tu-gold: #f59e0b;
    --tu-gold-light: #fde047;
    --tu-ink: #12090c;
    --tu-radius-sm: 0.75rem;
    --tu-radius-md: 1rem;
    --tu-radius-lg: 1.5rem;
    --tu-radius-xl: 2rem;
    --tu-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --tu-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --tu-shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --tu-sticky-bottom-height: 72px;
    --tu-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* Global Scaling for 75% Zoom effect universally */
html {
    font-size: 75%; /* Scales 1rem from 16px to 12px */
}

/* Global Font Rules: Fraunces for Headings / Display, Plus Jakarta Sans for Body */
body, button, input, select, textarea, .font-sans {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.font-display, h1, h2, h3 {
    font-family: 'Fraunces', serif;
}

/* =============================================
   1. Toast Container & Notification Styles
   ============================================= */
#toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 24rem;
    width: calc(100% - 3rem);
}

.toast {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-1rem);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { background-color: #10b981; border-left: 4px solid #047857; }
.toast-error   { background-color: #ef4444; border-left: 4px solid #b91c1c; }
.toast-info    { background-color: #3b82f6; border-left: 4px solid #1d4ed8; }
.toast-warning { background-color: #f59e0b; border-left: 4px solid #b45309; }

/* =============================================
   2. Spinner and Loaders
   ============================================= */
.loader-spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid #ffffff;
    width: 1.25rem;
    height: 1.25rem;
    animation: spin 0.8s linear infinite;
}

.loader-spinner-dark {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top: 3px solid #1f2937;
    width: 2rem;
    height: 2rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =============================================
   3. Glassmorphism Utility
   ============================================= */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.glass-panel-dark {
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* =============================================
   4. Card & Image Optimization
   ============================================= */
.card-zoom:hover img { transform: scale(1.06); }
.card-zoom img { transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

img {
    content-visibility: auto;
    contain-intrinsic-size: 300px 300px;
}

.img-optimized {
    transition: opacity 0.3s ease-in-out;
}

/* =============================================
   5. Fluid Typography
   ============================================= */
.text-fluid-xs   { font-size: clamp(0.625rem, 0.55rem + 0.3vw, 0.75rem); }
.text-fluid-sm   { font-size: clamp(0.75rem,  0.65rem + 0.4vw, 0.875rem); }
.text-fluid-base { font-size: clamp(0.875rem, 0.8rem  + 0.4vw, 1rem); }
.text-fluid-lg   { font-size: clamp(1.125rem, 1rem    + 0.5vw, 1.5rem); }
.text-fluid-xl   { font-size: clamp(1.375rem, 1.1rem  + 0.8vw, 2rem); }
.text-fluid-2xl  { font-size: clamp(1.75rem,  1.4rem  + 1.2vw, 2.5rem); }

/* =============================================
   6. Touch Target Enforcement
   ============================================= */
.touch-target {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* =============================================
   7. Product Page — Swipe Gallery
   ============================================= */
.pdp-gallery-swipe {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
}

.pdp-gallery-swipe::-webkit-scrollbar {
    display: none;
}

.pdp-gallery-slide {
    flex: 0 0 100%;
    scroll-snap-align: center;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
}

.pdp-gallery-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

/* Gallery dot indicators */
.pdp-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 10px 0;
}

.pdp-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d1d5db;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pdp-dot.active {
    background: var(--tu-crimson);
    width: 20px;
    border-radius: 4px;
}

/* Thumbnail strip (tablet/desktop) */
.pdp-thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 4px 0;
}

.pdp-thumbs::-webkit-scrollbar { display: none; }

.pdp-thumb {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    border-radius: var(--tu-radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s;
    background: #f9fafb;
}

.pdp-thumb.active,
.pdp-thumb:hover {
    border-color: var(--tu-crimson);
    transform: scale(1.05);
}

.pdp-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (min-width: 768px) {
    .pdp-thumb {
        flex: 0 0 72px;
        width: 72px;
        height: 72px;
    }
}

/* =============================================
   8. Product Page — Accordion Sections
   ============================================= */
.pdp-accordion {
    border-bottom: 1px solid #f3f4f6;
}

.pdp-accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 16px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: 'Fraunces', serif;
    font-weight: 700;
    font-size: clamp(0.875rem, 0.8rem + 0.3vw, 1.05rem);
    color: var(--tu-ink);
    text-align: left;
    transition: color 0.2s;
}

.pdp-accordion-trigger:hover {
    color: var(--tu-crimson);
}

.pdp-accordion-icon {
    font-size: 0.75rem;
    color: #9ca3af;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 12px;
}

.pdp-accordion.open .pdp-accordion-icon {
    transform: rotate(180deg);
    color: var(--tu-crimson);
}

.pdp-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
    padding: 0;
}

.pdp-accordion.open .pdp-accordion-body {
    max-height: 600px;
    padding-bottom: 16px;
}

/* =============================================
   9. Sticky Mobile CTA Bars (Product, Cart, Checkout)
   ============================================= */
.sticky-cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    background: rgba(255, 253, 247, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(245, 158, 11, 0.25);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 16px;
    padding-bottom: calc(12px + var(--tu-safe-bottom));
    transform: translateY(0);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.sticky-cta-bar.hidden-bar {
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

/* Only show sticky bars on mobile */
@media (min-width: 768px) {
    .sticky-cta-bar.mobile-only {
        display: none !important;
    }
}

/* Add bottom padding to body when sticky bar is visible */
body.has-sticky-bar {
    padding-bottom: calc(var(--tu-sticky-bottom-height) + var(--tu-safe-bottom));
}

@media (min-width: 768px) {
    body.has-sticky-bar-mobile-only {
        padding-bottom: 0;
    }
}

/* =============================================
   10. Cart Page — Compact Item Cards
   ============================================= */
.cart-item-card {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: #fff;
    border-radius: 1.5rem;
    border: 1px solid rgba(245, 158, 11, 0.2);
    position: relative;
    box-shadow: 0 4px 20px -8px rgba(0, 0, 0, 0.05);
    transition: all 0.25s ease;
}

.cart-item-card:hover {
    border-color: rgba(153, 0, 36, 0.3);
    box-shadow: 0 10px 30px -10px rgba(153, 0, 36, 0.12);
    transform: translateY(-1px);
}

.cart-item-img {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    overflow: hidden;
    flex-shrink: 0;
    background: #f9fafb;
    border: 1px solid #f3f4f6;
}
@media (min-width: 640px) {
    .cart-item-img {
        width: 76px;
        height: 76px;
    }
}

.cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px dashed rgba(0,0,0,0.06);
}

.coupon-input-wrap {
    display: flex;
    gap: 8px;
    width: 100%;
}

.coupon-input-wrap input {
    flex: 1;
    min-width: 0;
    padding: 10px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 700;
    outline: none;
    transition: border-color 0.2s ease;
}

.coupon-input-wrap input:focus {
    border-color: var(--tu-crimson);
}

.coupon-input-wrap button {
    padding: 10px 20px;
    background: var(--tu-crimson);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.coupon-input-wrap button:hover {
    background: #7a001c;
}
    transition: background 0.2s, color 0.2s, transform 0.2s;
    flex-shrink: 0;
}

.cart-item-remove:hover {
    background: #fee2e2;
    transform: scale(1.1);
}

@media (min-width: 480px) {
    .cart-item-img {
        width: 80px;
        height: 80px;
    }
    .qty-btn {
        width: 40px;
        height: 40px;
    }
}

/* =============================================
   11. Cart & Checkout — Order Summary Toggle (Mobile)
   ============================================= */
.order-summary-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 16px;
    background: #fff;
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--tu-radius-lg);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--tu-ink);
    transition: background 0.2s;
}

.order-summary-toggle:hover {
    background: #fefce8;
}

.order-summary-toggle .toggle-icon {
    transition: transform 0.3s ease;
    font-size: 0.7rem;
    color: #9ca3af;
}

.order-summary-toggle.open .toggle-icon {
    transform: rotate(180deg);
}

.order-summary-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.order-summary-collapsible.expanded {
    max-height: 800px;
}

@media (min-width: 1024px) {
    .order-summary-toggle {
        display: none;
    }
    .order-summary-collapsible {
        max-height: none !important;
        overflow: visible;
    }
}

/* =============================================
   12. Checkout — Form Inputs Mobile-First
   ============================================= */
.checkout-input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--tu-radius-md);
    font-size: 16px; /* Prevents iOS zoom */
    font-weight: 500;
    color: var(--tu-ink);
    background: #fff;
    outline: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
    -webkit-appearance: none;
    appearance: none;
}

.checkout-input:focus {
    border-color: var(--tu-crimson);
    box-shadow: 0 0 0 3px rgba(153, 0, 36, 0.08);
}

.checkout-input.input-error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.08);
}

.checkout-input.input-success {
    border-color: #10b981;
}

.checkout-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.checkout-error-msg {
    font-size: 0.7rem;
    color: #ef4444;
    font-weight: 600;
    margin-top: 4px;
    display: none;
}

.checkout-error-msg.visible {
    display: block;
}

/* =============================================
   13. Checkout — Payment Method Cards
   ============================================= */
.payment-card {
    display: flex;
    align-items: center;
    padding: 16px;
    border-radius: var(--tu-radius-lg);
    border: 2px solid #f3f4f6;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.25s ease;
    gap: 12px;
    min-height: 64px;
}

.payment-card:hover {
    background: #fff;
    border-color: #d1d5db;
    box-shadow: var(--tu-shadow-sm);
}

.payment-card.selected {
    border-color: var(--tu-crimson);
    background: rgba(153, 0, 36, 0.03);
    box-shadow: 0 0 0 3px rgba(153, 0, 36, 0.06);
}

.payment-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #d1d5db;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.2s, background 0.2s;
}

.payment-card.selected .payment-radio {
    border-color: var(--tu-crimson);
    background: var(--tu-crimson);
}

.payment-radio-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    opacity: 0;
    transition: opacity 0.2s;
}

.payment-card.selected .payment-radio-dot {
    opacity: 1;
}

.payment-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--tu-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.15rem;
}

/* =============================================
   14. Checkout — Address Radio Cards
   ============================================= */
.address-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    border-radius: var(--tu-radius-lg);
    border: 2px solid #f3f4f6;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.25s ease;
}

.address-card:hover {
    background: #fff;
    border-color: #e5e7eb;
}

.address-card.selected {
    border-color: var(--tu-crimson);
    background: rgba(153, 0, 36, 0.02);
    box-shadow: 0 0 0 3px rgba(153, 0, 36, 0.06);
}

/* =============================================
   15. Related Products — Horizontal Carousel
   ============================================= */
.related-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 12px;
    padding: 4px 0 8px;
}

.related-carousel::-webkit-scrollbar { display: none; }

.related-carousel-card {
    flex: 0 0 calc(45% - 6px);
    scroll-snap-align: start;
    min-width: 150px;
    max-width: 220px;
}

@media (min-width: 480px) {
    .related-carousel-card {
        flex: 0 0 calc(38% - 8px);
    }
}

@media (min-width: 768px) {
    .related-carousel-card {
        flex: 0 0 calc(28% - 10px);
    }
}

@media (min-width: 1024px) {
    .related-carousel {
        gap: 16px;
    }
    .related-carousel-card {
        flex: 0 0 calc(22% - 12px);
        max-width: 260px;
    }
}

@media (min-width: 1280px) {
    .related-carousel-card {
        flex: 0 0 calc(18% - 14px);
    }
}

/* =============================================
   16. Coupon Input
   ============================================= */
.coupon-input-wrap {
    display: flex;
    gap: 8px;
}

.coupon-input-wrap input {
    flex: 1;
    min-width: 0;
    padding: 10px 14px;
    border: 1.5px solid #e5e7eb;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--tu-ink);
    outline: none;
    transition: border-color 0.25s;
}

.coupon-input-wrap input:focus {
    border-color: var(--tu-crimson);
}

.coupon-input-wrap button {
    padding: 10px 20px;
    border-radius: 9999px;
    border: none;
    background: var(--tu-crimson);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
    flex-shrink: 0;
}

.coupon-input-wrap button:hover {
    background: var(--tu-crimson-dark);
}

/* =============================================
   17. Variant Pill Buttons
   ============================================= */
.variant-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    min-height: 44px;
    border: 1.5px solid #e5e7eb;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #374151;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.variant-pill:hover {
    border-color: var(--tu-crimson);
    color: var(--tu-crimson);
}

.variant-pill.selected {
    background: var(--tu-crimson);
    border-color: var(--tu-crimson);
    color: #fff;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(153, 0, 36, 0.2);
}

/* =============================================
   18. Utility: Fade-in animation
   ============================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.4s ease-out both;
}

/* Stagger children */
.stagger-children > * {
    animation: fadeInUp 0.35s ease-out both;
}
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }

/* =============================================
   19. CTA Button Styles (Reusable)
   ============================================= */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 9999px;
    border: 1px solid rgba(245, 158, 11, 0.3);
    background: linear-gradient(135deg, var(--tu-crimson), var(--tu-crimson-dark));
    color: var(--tu-ivory);
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(153, 0, 36, 0.25);
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(153, 0, 36, 0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 9999px;
    border: 2px solid var(--tu-crimson);
    background: #fff;
    color: var(--tu-crimson);
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.25s ease;
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}

.btn-secondary:hover {
    background: rgba(153, 0, 36, 0.04);
}

.btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: #d1d5db;
    color: #9ca3af;
}

.btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 9999px;
    border: 1px solid rgba(245, 158, 11, 0.3);
    background: var(--tu-gold);
    color: var(--tu-ink);
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
    -webkit-tap-highlight-color: transparent;
    text-decoration: none;
}

.btn-gold:hover {
    background: var(--tu-gold-light);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-gold:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: #d1d5db;
    box-shadow: none;
}

/* Category Chip Animations */
@keyframes fluidGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.animate-fluid-gradient {
    background-size: 300% 300%;
    animation: fluidGradient 6s ease-in-out infinite;
}