/* ============================================
   SHEK'S HOUSE - Modern Design System
   Colors: #ff4500 (Orange), Black, White
   ============================================ */

/* CSS Variables */
:root {
    --primary: #ff4500;
    --primary-dark: #e03e00;
    --primary-light: #ff6a33;
    --primary-glow: rgba(255, 69, 0, 0.3);
    --black: #000000;
    --dark: #1a1a1a;
    --gray-dark: #333333;
    --gray: #666666;
    --gray-light: #999999;
    --gray-lighter: #e5e5e5;
    --white: #ffffff;
    --bg-light: #f8f8f8;
    --bg-gradient: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 8px 24px rgba(255, 69, 0, 0.25);

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 50%;

    --font-primary: 'Poppins', 'Ebrima', 'Segoe UI', sans-serif;
}

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

@font-face {
    font-family: 'Ebrima';
    src: url('../fonts/Ebrima.ttf') format('truetype');
}

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

body {
    background: var(--bg-gradient);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    font-family: var(--font-primary);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* Selection */
::selection {
    background: var(--primary);
    color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-lighter);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ============================================
   HEADER STYLES
   ============================================ */
header {
    background: var(--black);
    padding: 10px 20px 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-normal);
}

/* Header Scrolled State - Compact */
header.scrolled {
    padding: 6px 20px 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header.scrolled .logo {
    height: 32px;
}

header.scrolled .title-logo {
    font-size: 16px;
}

header.scrolled .tab-component {
    display: none;
}

header.scrolled .icon-btn {
    width: 34px;
    height: 34px;
}

header.scrolled .search-bar input {
    padding: 8px 36px;
    font-size: 13px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    gap: 24px;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-section:hover .logo {
    transform: rotate(-5deg) scale(1.05);
}

.back-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    border-radius: var(--radius-full);
    width: 40px;
    height: 40px;
    margin-right: 15px;
    cursor: pointer;
    font-size: 14px;
    color: var(--black);
    transition: all var(--transition-fast);
    border: 2px solid var(--gray-lighter);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.back-icon:hover {
    background-color: var(--primary);
    color: var(--black);
    border-color: var(--primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-primary);
}

/* Header with Back Button Layout */
.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #858282;
    border-radius: var(--radius-full);
    width: 38px;
    height: 38px;
    cursor: pointer;
    font-size: 14px;
    color: var(--black);
    transition: all var(--transition-fast);
    border: 2px solid var(--gray-lighter);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.back-btn:hover {
    background-color: var(--primary);
    color: var(--black);
    border-color: var(--primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-primary);
}

header .page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

header .page-title i {
    color: var(--primary);
    font-size: 16px;
}

header.scrolled .page-title {
    font-size: 16px;
}

header.scrolled .back-btn {
    width: 32px;
    height: 32px;
    font-size: 12px;
}

/* Icon Buttons */
.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.icon-btn:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.icon-btn i {
    font-size: 18px;
}

/* Desktop/Mobile Search Toggle */
.desktop-search {
    flex: 1;
    max-width: 500px;
}

.mobile-search {
    display: none;
    padding: 8px 0 0;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: all var(--transition-normal);
}

.mobile-search.active {
    max-height: 60px;
    opacity: 1;
    padding: 8px 0;
}

/* Mobile Search Toggle Button */
.search-toggle-btn {
    display: none;
}

/* Search Icon in Input */
.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-light);
    font-size: 14px;
    pointer-events: none;
}


.logo {
    height: 40px;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.title-logo {
    font-weight: 800;
    font-size: 20px;
    color: var(--white);
    letter-spacing: 1px;
}

.title-logo span {
    color: var(--primary);
}

.header-icons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.icon {
    font-size: 22px;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon:hover {
    color: var(--primary);
    transform: scale(1.15);
}

.fas {
    font-size: 24px;
    color: var(--white);
    transition: color var(--transition-fast);
}

.fas:hover {
    color: var(--primary);
}

/* Basket Container */
.basket-container {
    position: relative;
    cursor: pointer;
}

.basket-count,
.badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 700;
    min-width: 18px;
    text-align: center;
    border: 2px solid var(--black);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ============================================
   SEARCH BAR
   ============================================ */
.search-bar {
    margin-top: 8px;
    padding: 0 10px;
    width: 35%;
    min-width: 250px;
}

.search {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    width: 100%;
}

.search-bar input {
    width: 100%;
    padding: 10px 40px 10px 40px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-lighter);
    background: var(--white);
    font-size: 14px;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.15);
}

.search-bar input::placeholder {
    color: var(--gray-light);
}

.clear-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-light);
    cursor: pointer;
    transition: color var(--transition-fast);
    z-index: 2;
}

.clear-icon:hover {
    color: var(--primary);
}

.search-results {
    margin-top: 5px;
    padding: 8px 0;
    cursor: pointer;
    position: absolute;
    background-color: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    max-height: 280px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

.search-result-item {
    padding: 12px 16px;
    font-family: 'Ebrima', sans-serif;
    border-bottom: 1px solid var(--gray-lighter);
    transition: all var(--transition-fast);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--primary);
    color: var(--white);
    padding-left: 24px;
}

/* ============================================
   TAB NAVIGATION
   ============================================ */
.tab-component {
    margin-top: 6px;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.tab-component::-webkit-scrollbar {
    display: none;
}

.tab-scroll {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 8px 15px;
    white-space: nowrap;
}

.tab-item {
    text-decoration: none;
    font-size: 13px;
    color: var(--gray-light);
    padding: 6px 14px;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab-item:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.tab-item.active {
    font-weight: 700;
    color: var(--white);
    background: var(--primary);
}

.tab-item i {
    font-size: 12px;
}

/* ============================================
   FOOTER / BOTTOM NAVIGATION
   ============================================ */
footer {
    background-color: var(--white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    padding: 6px 16px;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 1000;
}

.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 10px;
    color: #444444;
    cursor: pointer;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-item:hover {
    color: var(--primary);
    background: rgba(255, 69, 0, 0.08);
}

.nav-item i {
    font-size: 18px;
    margin-bottom: 2px;
    color: #333333;
}

.nav-item.active {
    font-weight: 700;
    color: var(--primary);
    background: rgba(255, 69, 0, 0.1);
}

.nav-item.active i {
    color: var(--primary);
}

/* ============================================
   PRODUCT LISTING
   ============================================ */
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
    padding: 24px;
    margin-top: 160px;
    margin-bottom: 80px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.product-card {
    background-color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-card h3 {
    margin: 16px 12px 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
}

.product-card .price {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    font-family: 'Ebrima', sans-serif;
}

.product-card .stock-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-card .stock-badge.in-stock {
    background: rgba(39, 174, 96, 0.15);
    color: #27ae60;
}

.product-card .stock-badge.low-stock {
    background: rgba(243, 156, 18, 0.15);
    color: #f39c12;
}

.product-card .stock-badge.out-of-stock {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

/* Product Badges Container */
.product-card .product-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin-bottom: 12px;
}

.product-card .product-badges .stock-badge {
    margin-bottom: 0;
}

/* Like Badge */
.product-card .like-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(39, 174, 96, 0.15);
    color: #27ae60;
}

.product-card .like-badge i {
    font-size: 10px;
}

/* Quick Add to Cart Button */
.quick-add-btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, var(--primary) 0%, #ff6b35 100%);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
    opacity: 0;
    transform: scale(0.8);
    z-index: 10;
}

.product-card:hover .quick-add-btn {
    opacity: 1;
    transform: scale(1);
}

.quick-add-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
}

.quick-add-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.5;
}

.product-card:hover .quick-add-btn:disabled {
    opacity: 0.5;
    transform: scale(1);
}

/* ============================================
   LOADER
   ============================================ */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    width: 100%;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-lighter);
    border-top: 4px solid var(--primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
#toast-container {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: #1a1a1a;
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: toastSlideIn 0.3s ease;
    max-width: 350px;
    font-weight: 500;
}

.toast i {
    font-size: 20px;
}

.toast-success {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
}

.toast-error {
    background: linear-gradient(135deg, #c0392b, #e74c3c);
}

.toast-info {
    background: linear-gradient(135deg, #2980b9, #3498db);
}

.toast-warning {
    background: linear-gradient(135deg, #d35400, var(--primary));
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   ERROR MESSAGE
   ============================================ */
.error-message {
    text-align: center;
    padding: 40px;
    color: var(--gray);
}

.error-message i {
    font-size: 48px;
    color: var(--gray-light);
    margin-bottom: 16px;
}

.error-message button {
    margin-top: 20px;
    padding: 12px 28px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition-fast);
}

.error-message button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   BUTTON STYLES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Ebrima', sans-serif;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--black);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 50%;
    margin-top: -9px;
    margin-left: -9px;
    border: 2px solid transparent;
    border-top-color: var(--white);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: 'Ebrima', sans-serif;
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.15);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .product-list {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
        padding: 20px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 8px 12px 6px;
    }

    /* Hide desktop search, show mobile toggle */
    .desktop-search {
        display: none;
    }

    .search-toggle-btn {
        display: flex;
    }

    .mobile-search {
        display: block;
    }

    .search-bar {
        width: 100%;
        min-width: unset;
        margin-top: 0;
        padding: 0;
    }

    .product-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 16px;
        margin-top: 120px;
        margin-bottom: 70px;
    }

    .product-card img {
        height: 180px;
    }

    .product-card h3 {
        font-size: 14px;
        margin: 12px 10px 6px;
    }

    .product-card .price {
        font-size: 18px;
        margin-bottom: 12px;
    }

    /* Show quick-add button always on mobile (no hover) */
    .quick-add-btn {
        opacity: 1;
        transform: scale(1);
    }

    .quick-add-btn:disabled {
        opacity: 0.5;
    }

    .back-icon {
        display: none;
    }

    .title-logo {
        font-size: 16px;
    }

    .logo {
        height: 35px;
    }

    .header-icons {
        gap: 10px;
    }

    .icon-btn {
        width: 34px;
        height: 34px;
    }

    .icon-btn i {
        font-size: 16px;
    }

    .tab-scroll {
        justify-content: flex-start;
        padding: 4px 8px;
    }

    .tab-item {
        padding: 5px 10px;
        font-size: 12px;
    }

    .tab-item i {
        font-size: 11px;
    }

    /* Scrolled state on mobile */
    header.scrolled .tab-component {
        display: block;
    }

    header.scrolled .mobile-search {
        display: none;
    }
}

@media (max-width: 480px) {
    header {
        padding: 6px 10px 4px;
    }

    .logo {
        height: 30px;
    }

    .title-logo {
        font-size: 14px;
    }

    .product-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 10px;
        margin-top: 110px;
        margin-bottom: 60px;
    }

    .product-card img {
        height: 140px;
    }

    .product-card h3 {
        font-size: 12px;
        margin: 8px 8px 4px;
    }

    .product-card .price {
        font-size: 15px;
        margin-bottom: 10px;
    }

    .nav-item {
        padding: 4px 10px;
        font-size: 9px;
    }

    .nav-item i {
        font-size: 16px;
    }

    .icon-btn {
        width: 32px;
        height: 32px;
    }

    .icon-btn i {
        font-size: 14px;
    }

    .header-icons {
        gap: 8px;
    }

    .tab-item {
        padding: 4px 8px;
        font-size: 11px;
    }

    .toast {
        left: 12px;
        right: 12px;
        bottom: 70px;
        transform: translateY(100px);
        padding: 12px 16px;
        font-size: 14px;
    }

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

/* ============================================
   UTILITIES
   ============================================ */
.text-primary { color: var(--primary); }
.text-black { color: var(--black); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray); }

.bg-primary { background-color: var(--primary); }
.bg-black { background-color: var(--black); }
.bg-white { background-color: var(--white); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   BUTTON FOCUS/ACTIVE STATE FIXES
   Remove orange outline on click/tap
   ============================================ */
button:focus,
button:active,
.btn:focus,
.btn:active,
.quick-add-btn:focus,
.quick-add-btn:active,
.back-btn:focus,
.back-btn:active,
.icon-btn:focus,
.icon-btn:active,
.nav-item:focus,
.nav-item:active,
.tab-item:focus,
.tab-item:active {
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

/* Prevent orange color flash on mobile tap */
button,
.btn,
.quick-add-btn,
.back-btn,
.icon-btn,
.nav-item,
.tab-item,
a {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}