* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary: #3f37c9;
    --primary-light: #4895ef;
    --secondary: #5764e7;
    --accent-glow: #f72585;
    --text-dark: #1e1e2f;
    --text-soft: #4a4a6a;
    --bg-page: #f9faff;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --border-light: #e2e8f0;
    --border-dark: rgb(84, 84, 84);
    --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.02), 0 2px 6px rgba(0, 20, 50, 0.03);
    --shadow-hover: 0 18px 30px -8px rgba(63, 55, 201, 0.12), 0 6px 10px -4px rgba(0, 0, 0, 0.02);
    --transition: all 0.25s cubic-bezier(0.2, 0, 0, 1);
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-page);
    overflow-x: hidden;    
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    grid-template-columns: 100%;
}
.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    z-index: 90;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.mobile-overlay.visible {
    display: block;
    opacity: 1;
}

/* ---------------Typography--------------- */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}
.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: left;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
    color: var(--text-dark);
}
.section-title_span {
    background: linear-gradient(145deg, var(--primary) 0%, #6c5ce7 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
}

/* ---------------Header--------------- */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 70px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid rgba(63, 55, 201, 0.08);    
    grid-row: 1;
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
    height: 100%;
}
.logo {
    width: 48px;
    height: auto;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(63, 55, 201, 0.1));
}
.logo:hover {
    transform: scale(1.1);
}
.github {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 40px;
    padding: 0.5rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.github-logo {
    width: 20px;
    height: 20px;
}
.github:hover {
    filter: invert(100%);
    border-color: var(--text-dark);
    transform: translateY(-1px);
}
.github-text {
    color: black;
}

/* ---------------Hero--------------- */
.hero {
    padding: 120px 0 60px;
    background-color: transparent;
    grid-row: 2;
    padding: 120px 0 60px;
}
.icon-img {
    width: 24px;
    height: auto;    
}

/* ---------------App Panel--------------- */
.app-header {
    background: var(--bg-surface);
    border-radius: 28px;
    padding: 2rem 2rem 1.8rem;
    margin-bottom: 2.2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(63, 55, 201, 0.08);
    transition: var(--transition);
    position: relative;
    z-index: 99;
}
.btn-load {
    min-width: 140px;
    background: var(--primary);
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    padding: 14px 32px;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    box-shadow: 0 10px 20px -5px rgba(63, 55, 201, 0.25);
    transition: var(--transition);
    letter-spacing: -0.01em;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 28px;
}
.btn-load:hover {
    background: #2f2a9e;
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 18px 28px -8px rgba(63, 55, 201, 0.35);
}
.btn-load:active {
    transform: translateY(1px);
    box-shadow: 0 8px 14px -5px var(--primary);
}

/* ---------------Burger Menu--------------- */
.burger-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-width: 140px;
    padding: 14px 20px;
    margin-bottom: 20px;
    background: linear-gradient(120deg,
        rgba(247, 37, 133, 0.15) 0%,
        rgba(247, 37, 133, 0.25) 100%);
    border: 2px solid rgba(247, 37, 133, 0.03);
    border-radius: 40px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 3px 0 var(--accent-glow);
    z-index: 100;
}
.burger-menu-btn:hover {
    border: 3px solid var(--accent-glow);
    box-shadow: 0 3px 8px var(--accent-glow);
}
.burger-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='20px' viewBox='0 -960 960 960' width='20px' fill='%23000000'%3E%3Cpath d='M456.18-192Q446-192 439-198.9t-7-17.1v-227L197-729q-9-12-2.74-25.5Q200.51-768 216-768h528q15.49 0 21.74 13.5Q772-741 763-729L528-443v227q0 10.2-6.88 17.1-6.89 6.9-17.06 6.9h-47.88ZM480-498l162-198H317l163 198Zm0 0Z'/%3E%3C/svg%3E");
    position: relative;
    width: 28px;
    height: 28px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    color: var(--primary);
    transition: var(--transition);
    padding-right: 24px;
}
.burger-icon::before,
.burger-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #000;
    transition: var(--transition);
}
.burger-icon::before {
    background: transparent;
    top: 2px;
}
.burger-icon::after {
    background: transparent;
    bottom: 2px;
}

.burger-menu-btn.active .burger-icon {
    background: transparent;
}
.burger-menu-btn.active .burger-icon::before {
    top: 12px;
    transform: rotate(45deg);
    left: 1px;
    background: #000;
}
.burger-menu-btn.active .burger-icon::after {
    bottom: 14px;
    transform: rotate(-45deg);
    left: 3px;
    background: #000;
}

.collapsible-panel {
    transition: var(--transition);
    transform-origin: top;
    position: relative;
    z-index: 99;
    background-color: var(--bg-surface);
}
.confirm-filters-btn {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    margin-bottom: 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 40px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 16px -6px rgba(63, 55, 201, 0.3);
}
.confirm-filters-btn:hover {
    background: #2f2a9e;
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -8px rgba(63, 55, 201, 0.4);
}
.confirm-filters-btn:active {
    transform: translateY(0);
}
.confirm-filters-btn span:first-child {
    font-size: 1.3rem;
}

/* ---------------Sort--------------- */
.sort {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    margin: 0.75rem 0 1.5rem;
}
.filter {
    padding: 12px 18px;
    border-radius: 48px;
    border: 1.5px solid var(--border-light);
    background: white;
    font-size: 0.95rem;
    transition: var(--transition);
    min-width: 220px;
    flex: 1 0 180px;
    font-family: 'Inter', sans-serif;
    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.02);
}
.filter:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(63, 55, 201, 0.1);
}
.search-name {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 -960 960 960" width="20px" fill="%23666"><path d="M765-144 526-383q-30 22-65.79 34.5-35.79 12.5-76.18 12.5Q284-336 214-406t-70-170q0-100 70-170t170-70q100 0 170 70t70 170.03q0 40.39-12.5 76.18Q599-464 577-434l239 239-51 51ZM384-408q70 0 119-49t49-119q0-70-49-119t-119-49q-70 0-119 49t-49 119q0 70 49 119t119 49Z"/></svg>');
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 18px;
    padding-left: 40px;
}
.search-email {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 -960 960 960" width="20px" fill="%23666"><path d="M168-192q-29.7 0-50.85-21.16Q96-234.32 96-264.04v-432.24Q96-726 117.15-747T168-768h624q29.7 0 50.85 21.16Q864-725.68 864-695.96v432.24Q864-234 842.85-213T792-192H168Zm312-240L168-611v347h624v-347L480-432Zm0-85 312-179H168l312 179Zm-312-94v-85 432-347Z"/></svg>');
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 18px;
    padding-left: 40px;
}
.btn-reset {
    background: white;
    border: 1.5px solid var(--border-light);
    border-radius: 40px;
    padding: 12px 22px;
    font-weight: 500;
    color: var(--text-soft);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}
.btn-reset:hover {
    border-color: var(--accent-glow);
    color: var(--accent-glow);
    background: #fff5f9;
}
.sort-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-soft);
}
.sort-selector {
    background: linear-gradient(120deg,
        rgba(247, 37, 133, 0.15) 0%,
        rgba(247, 37, 133, 0.25) 100%);
    color: var(--text-dark);
    padding: 10px 20px;
    border-radius: 40px;
    border: 1.5px solid var(--border-light);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
    box-shadow: 0 3px 0 var(--accent-glow);
}
.sort-selector:focus {
    border-color: var(--accent-glow);
    outline: none;
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 14px 20px var(--accent-glow);
}
.highlight {
    background: linear-gradient(120deg, 
        rgba(247, 37, 133, 0.15) 0%, 
        rgba(247, 37, 133, 0.25) 100%);
    color: var(--text-dark);
    font-weight: 600;
    padding: 0.1em 0.2em;
    border-radius: 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    border-bottom: 2px solid var(--accent-glow);
}
.highlight-fresh {
    animation: highlightPulse 0.6s ease-out;
}
@keyframes highlightPulse {
    0% { background: rgba(247, 37, 133, 0.4); }
    100% { background: rgba(247, 37, 133, 0.15); }
}

/* ---------Status + State indicators--------- */
.app-state, .app-status {
    font-size: 1rem;
    margin-top: 0.5rem;
    font-weight: 500;
}
.app-state {
    color: var(--primary);
}
.app-status {
    color: #64748b;
}
.empty-state {
    margin: 2rem 0;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 28px;
    text-align: center;
    border: 2px dashed var(--border-light);
    color: #475569;
    display: none;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.empty-state.visible {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: emptyStatePop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
@keyframes emptyStatePop {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}
.empty-state-icon {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="20px" viewBox="0 -960 960 960" width="20px" fill="%23666"><path d="M611-493 421-683q14-8 28.5-10.5T480-696q60 0 102 42t42 102q0 16-2.5 30.5T611-493ZM237-285q54-37 115.5-56T480-360q17 0 32.5 1.5T545-355l-54-54q-67 7-114-40.5T337-563L232-668q-31 41-47.5 89T168-480q0 54 17 104t52 91Zm483 4q34-43 53-93.5T792-480q0-130-91-221t-221-91q-55 0-106 18.5T281-720l439 439ZM331-126q-70-30-122.5-82.5T126-331q-30-70-30-149.5t30-149q30-69.5 82.5-122T331-834q70-30 149.5-30t149 30q69.5 30 122 82.5t82.5 122q30 69.5 30 149T834-331q-30 70-82.5 122.5t-122 82.5q-69.5 30-149 30T331-126Zm149-42q51 0 99-16.5t89-47.5q-42-29-89.5-42.5T480-288q-51 0-99.5 13.5T290-233q42 32 90 48.5T480-168Zm0-59Z"/></svg>');
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 50px;
    padding: 40px;
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%,100% {
        transform: translateY(0)
    }
    50% {
        transform: translateY(-10px);
    }
}
.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}
.err {
    display: none;
    color: #e11d48;
    font-size: 1.2rem;
    font-weight: 500;
    margin: 1rem 0;
    padding: 12px 20px;
    background: #fff1f2;
    border-radius: 4px;
    border-left: 6px solid #e11d48;
}
.err.visible {
    display: flex;
}
/* Spinner */
.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 2rem;
    display: none;
}
.loading-container.visible {
    display: flex;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------User Grid--------- */
.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.8rem;
    margin: 2.5rem 0 3rem;
}
/* Cards */
.user-card {
    background: var(--bg-card);
    padding: 1.8rem 1.2rem 1.8rem;
    border-radius: 28px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    grid-row: span 1;
}
.user-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(63, 55, 201, 0.2);
}
.user-grid.animate .user-card {
    opacity: 0;
    animation: cardFlipIn 0.5s ease-out forwards;
}
.user-grid.animate .user-card:nth-child(1) {animation-delay: 0.05s;}
.user-grid.animate .user-card:nth-child(2) {animation-delay: 0.1s;}
.user-grid.animate .user-card:nth-child(3) {animation-delay: 0.15s;}
.user-grid.animate .user-card:nth-child(4) {animation-delay: 0.2s;}
.user-grid.animate .user-card:nth-child(5) {animation-delay: 0.25s;}
.user-grid.animate .user-card:nth-child(6) {animation-delay: 0.3s;}
.user-grid.animate .user-card:nth-child(7) {animation-delay: 0.35s;}
.user-grid.animate .user-card:nth-child(8) {animation-delay: 0.4s;}
.user-grid.animate .user-card:nth-child(9) {animation-delay: 0.45s;}
.user-grid.animate .user-card:nth-child(10) {animation-delay: 0.5s;}
.user-grid.animate .user-card:nth-child(n+11) {animation-delay: 0.55s;}
.user-card.expanded {
    grid-column: span 2;  /* Take more space when expanded */
    background: linear-gradient(145deg, #ffffff 0%, #fafbff 100%);
    border-color: var(--primary);
    box-shadow: 0 20px 30px -10px rgba(63, 55, 201, 0.15);
}
.user-card-header {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    gap: 1rem;
    flex: 1;
    margin-bottom: 0.5rem;
}
.user-details-expanded {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
    animation: slideDown 0.3s ease;
}
@keyframes cardSlideUp {
    0% {
        opacity: 0;
        transform: translateY(30px) rotate(-1deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0);
    }
}
@keyframes cardSlideIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1)
    }
}
@keyframes cardFlipIn {
    0% {
        opacity: 0;
        transform: perspective(400px) rotateX(-15deg);
    }
    100% {
        opacity: 1;
        transform: perspective(400px) rotateX(0);
    }
}
@keyframes cardFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--border-light);
}
.detail-label {
    font-weight: 600;
    color: var(--primary);
}
.detail-value {
    color: var(--text-soft);
}
.detail-value a {
    color: var(--primary);
    text-decoration: none;
}
.detail-value a:hover {
    text-decoration: underline;
}
.user-icon {
    background: #eef2ff;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    border: 2px solid white;
    box-shadow: 0 6px 12px -6px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    flex-shrink: 0;
}
.icon-img {
    width: 42px;
    height: 48px;
    opacity: 0.8;
}
.user-basic {
    flex: 1;
    text-align: center;
    min-width: 0;
    width: 100%;
}
.user-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-dark);
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}
.user-email {
    font-size: 0.85rem;
    color: #5b6778;
    margin-bottom: 1rem;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    text-overflow: ellipsis;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
}
.btn-details {
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    border-radius: 40px;
    padding: 0.6rem 1.2rem;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: auto;
    width: fit-content;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(63, 55, 201, 0.05);
}
.btn-details:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 8px 18px -8px var(--primary);
}
.selected {
    border: 2px solid var(--accent-glow);
    box-shadow: 0 0 0 4px rgba(247, 37, 133, 0.08);
}

/* ---------Footer--------- */
.footer {
    grid-row: 3;
    padding: 2.5rem 0;
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    opacity: 0;
    animation: 
        fadeInFooter 0.8s ease-out 0.3s forwards,
        fadeInUp 0.8s ease-out 0.3s forwards;
}

@keyframes fadeInFooter {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
.footer-text {
    transition: var(--transition);
    cursor: default;
    font-weight: 400;
}
.footer-text:hover {
    color: white;
}

/* ---------Responsive styles--------- */
@media (min-width: 769px) {    
    .collapsible-panel {
        display: flex;
        opacity: 1;
        transform: scaleY(1);
    }
    .mobile-overlay {
        display: none;
    }
}
@media (max-width: 768px) {
    .burger-menu-btn {
        display: flex;
    }
    .collapsible-panel {
        display: none;
        opacity: 0;
        transform: scaleY(0);
        padding-bottom: 10px;
    }
    .collapsible-panel.visible {
        display: flex;
        opacity: 1;
        transform: scaleY(1);
        animation: slideDown 0.3s ease;
    }
    .confirm-filters-btn {
        display: flex;
    }
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: scaleY(0.9);
        }
        to {
            opacity: 1;
            transform: scaleY(1);
        }
    }
    .sort {
        margin-top: 0;
        padding-top: 10px;
    }
    .btn-reset {
        width: 100%;
        justify-content: center;
    }
    .sort-label {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    .sort-selector {
        width: 100%;
    }
    .user-card.expanded {
        grid-column: span 1;  /* Full width on mobile */
    }
    .user-card-header {
        flex-direction: column;  /* Keep column for consistency */
    }
    
    .user-name {
        font-size: 1.3rem;
    }
}
@media (max-width: 640px) {
    .section-title {
        font-size: 2.2rem;
    }
    .container {
        padding: 0 10px;
        margin: 0 0.5;
    }
    .filter {
        flex: 1 0 0;
        width: 100%;
    }
    .sort {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-load {
        font-size: 1.2rem;
        width: 100%;
    }
}
@media (max-width: 414px) {
    .container {
        padding: 0 10px;
        margin: 0 0.5;
    }
    .filter {
        flex: 1 0 0;
    }
}
@media (max-width: 320px) {
    .container {
        padding: 0 10px;
        margin: 0 0.5;
    }
    .filter {
        flex: 1 0 0;
    }
}