:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --accent: #2563eb;
    --accent-2: #1d4ed8;
    --muted: #6b7280;
    --muted-2: #94a3b8;
    --black: #0f172a;
    --radius: 12px;
}

* {
    box-sizing: border-box;
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}

body {
    margin: 0;
    padding: 10px 6px;
    background: linear-gradient(180deg,var(--bg),#fbfdff);
    color: var(--black);
    font-size: 15px;
    line-height: 1.45;
}

/* Site header */
.site-header {
    background: rgba(255,255,255,0.9);
    padding: 12px 0;
    border-bottom: 1px solid #eef2f7;
    backdrop-filter: blur(6px);
}

.site-header .header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 12px;
    display: flex;
    align-items: center;
    gap: 12px
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    margin: 0 auto;
}

.site-logo {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    padding: 6px;
    box-shadow: 0 6px 18px rgba(2,6,23,0.08);
}

.site-title {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.2px;
}

.container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
    max-width: 1160px;
    margin: 12px auto 40px;
    padding: 0 12px;
}


.left-col {
    display: flex;
    flex-direction: column;
    gap: 18px
}

.form-panel {
    background: var(--card);
    padding: 18px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(16,24,40,0.06);
    border: 1px solid #f1f5f9;
}

.form-panel h1, .form-panel h2 {
    margin: 0 0 8px 0;
    font-size: 20px;
    text-align: left;
}

.form-panel label {
    display: block;
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 8px
}

.form-panel input {
    width: 100%;
    padding: 10px 12px;
    margin-top: 6px;
    border: 1px solid #e9eef6;
    border-radius: 10px;
    background: #fff;
    transition: box-shadow .14s, border-color .14s;
}
.form-panel input:focus{box-shadow:0 8px 24px rgba(37,99,235,0.06);border-color:var(--accent-2);outline:none}

.products-panel {
    background: transparent
}

.products-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    margin-bottom: 12px;
}

.categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 9px 0;
}

.search-wrap {
    width: 100%
}

#product-search {
    width: 100%;
    max-width: 640px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #e6e9ef;
    background: #fff;
    box-shadow: 0 2px 6px rgba(2, 6, 23, 0.04);
    font-size: 14px;
    outline: none;
    transition: box-shadow .14s, border-color .14s;
}

#product-search:focus {
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
    border-color: var(--accent)
}

.categories button {
    background: linear-gradient(180deg,#fff,#fbfdff);
    border: 1px solid #eef3fb;
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
    color: var(--muted);
    box-shadow: 0 4px 10px rgba(16,24,40,0.03);
    transition:transform .12s,box-shadow .12s,background .12s,color .12s;
}

.categories button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(16,24,40,0.06)}

.categories button.active {
    border-color: transparent;
    color: #fff;
    background: linear-gradient(90deg,var(--accent),var(--accent-2));
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.card {
    background: var(--card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(2,6,23,0.06);
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid #f1f5f9;
    transition:transform .12s,box-shadow .12s;
}

.card:hover{transform:translateY(-4px);box-shadow:0 18px 48px rgba(2,6,23,0.08)}

.card img {
    width: 110px;
    height: 110px;
    object-fit: contain;
    border-radius: 10px;
    background: #f8fafc;
    flex-shrink:0;
}

.card .info {
    padding: 0 10px;
    flex: 1
}

.card h3 {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 600;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 13px
}

.card .price {
    font-weight: 700;
    color: var(--accent);
    margin-top: 6px
}

.product-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px
}

.product-controls .qty-input {
    width: 40px
}

.qty-control{
    display:flex;
    align-items:center;
    gap:8px;
}

.qty-btn{
    width:32px;
    height:32px;
    border-radius:8px;
    background:#f1f3f9;
    border:1px solid #e6e9ef;
    color:var(--black);
    font-weight:600;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:0;
}

.qty-btn:active{transform:translateY(1px)}

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

/* price removed from product card */
.qty-input {
    width: 40px;
    padding: 6px;
    border-radius: 8px;
    border: 1px solid #e6e9ef
}

button {
    background: linear-gradient(90deg,var(--accent),var(--accent-2));
    color: #fff;
    border: 0;
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(37,99,235,0.14);
    transition: transform .12s, box-shadow .12s, opacity .12s;
}

button:hover{transform:translateY(-2px)}

.cart-panel {
    background: var(--card);
    padding: 18px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(16,24,40,0.06);
    border: 1px solid #f1f5f9;
}

.cart-panel h2 {
    margin: 0 0 8px 0
}

.controls {
    margin-bottom: 8px
}

.cart-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9
}

.cart-item .left {
    flex: 1
}

.cart-item .right {
    display: flex;
    gap: 8px;
    align-items: center
}

.total {
    font-weight: 700;
    padding-top: 12px
}

.small {
    font-size: 13px;
    color: var(--muted)
}

@media(max-width:880px) {
    .container {
        grid-template-columns: 1fr;
        padding: 12px;
    }

    .cart-panel {
        order: 2
    }
}

/* Mobile floating cart button and drawer */
.cart-float-btn {
    display: none;
    position: fixed;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1200;
    width: 36px;
    height: 120px;
    border-radius: 18px 0 0 18px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent-600);
    border: 1px solid rgba(37, 99, 235, 0.12);
    box-shadow: none;
    font-size: 18px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(2px);
    transition: background .18s, opacity .18s, transform .18s
}

.cart-float-btn:hover {
    background: rgba(37, 99, 235, 0.14);
    transform: translateY(-50%) translateX(-6px)
}

.cart-float-btn:active {
    transform: translateY(-50%) translateX(-2px)
}

.cart-float-btn {
    position: fixed
}

.cart-float-btn {
    /* make room for badge */
    padding-top: 6px
}

.cart-float-btn .badge {
    position: absolute;
    top: 8px;
    left: 6px;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: #ef4444;
    color: #fff;
    font-size: 12px;
    line-height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12)
}

.cart-float-btn .badge.hidden {
    display: none
}

.cart-drawer {
    position: fixed;
    right: 0;
    top: 0;
    height: 100%;
    width: 100%;
    max-width: 420px;
    background: var(--card);
    box-shadow: -24px 0 48px rgba(2, 6, 23, 0.2);
    transform: translateX(110%);
    transition: transform .32s ease-in-out;
    z-index: 1300;
    display: flex;
    flex-direction: column
}

.cart-drawer.open {
    transform: translateX(0)
}

.cart-drawer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid #f1f5f9
}

.cart-drawer .mobile-cart-items {
    padding: 12px;
    overflow: auto;
    flex: 1
}

.cart-drawer-footer {
    padding: 12px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px
}

@media(max-width:880px) {
    .cart-panel {
        display: none
    }

    .cart-float-btn {
        display: flex
    }
}

@media(min-width:881px) {
    .cart-drawer {
        display: none
    }
}

/* Prevent body scroll while drawer open */
body.drawer-open {
    overflow: hidden
}

/* Modal styles */
.app-modal-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(2, 6, 23, 0.0);
    z-index: 1400;
    opacity: 0;
    transition: opacity .22s ease
}

.app-modal-overlay.show {
    background: rgba(2, 6, 23, 0.36);
    opacity: 1
}

.app-modal {
    background: var(--card);
    border-radius: 12px;
    min-width: 320px;
    max-width: 720px;
    padding: 18px;
    box-shadow: 0 12px 40px rgba(2, 6, 23, 0.3);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transform: translateY(-8px) scale(.98);
    opacity: 0;
    transition: transform .22s ease, opacity .22s ease
}

.app-modal.open {
    transform: translateY(0) scale(1);
    opacity: 1
}

.app-modal-body {
    margin-bottom: 12px
}

.app-modal-message {
    font-size: 15px;
    color: #0f172a
}

.app-modal-controls {
    display: flex;
    gap: 10px;
    justify-content: flex-end
}

.app-modal-controls .btn {
    padding: 8px 12px;
    border-radius: 8px
}

.app-modal-prompt {
    width: 100%;
    padding: 8px;
    margin-top: 8px;
    border: 1px solid #e6e9ef;
    border-radius: 8px
}

@media(max-width:540px) {
    .app-modal {
        min-width: 88%;
        padding: 12px
    }
}

/* Mobile tweaks for quantity control and Add button */
@media(max-width:540px) {
    .product-controls {
        align-items: center;
    }
    .product-controls .qty-control,
    .cart-item .qty-control {
        flex-direction: column;
        gap: 6px;
        align-items: center;
    }
    .product-controls .qty-input,
    .cart-item .qty-input {
        width: 56px;
        text-align: center;
        padding: 6px;
    }
    .product-controls .qty-btn,
    .cart-item .qty-btn {
        width: 30px;
        height: 30px;
        border-radius: 8px;
        font-size: 18px;
        line-height: 1;
        padding: 0;
    }
    /* make Add button smaller on mobile */
    .product-controls > .add {
        padding: 8px 10px;
        font-size: 14px;
        border-radius: 8px;
    }
}