/* DESIGN TOKENS */
:root {
    --black: #000000;
    --white: #ffffff;
    --grey-bg: #f8f8f8;
    --grey-border: #eeeeee;
    --grey-text: #888888;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET & GLOBAL */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body, input, button { font-family: var(--font-main); background: var(--white); color: var(--black); overflow: hidden; }
button, input, select, textarea { -webkit-appearance: none; appearance: none; border-radius: 0; }
.hidden { display: none !important; }
.blur-content { filter: blur(0.5rem) grayscale(20%); opacity: 0.6; pointer-events: none; }

/* ACCESSIBILITY */
.visually-hidden { position: absolute; width: 0.0625rem; height: 0.0625rem; margin: -0.0625rem; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
*:focus { outline: 0.125rem solid var(--black); outline-offset: 0.125rem; }
button:focus-visible, input:focus-visible, [role="tab"]:focus-visible { outline: 0.125rem solid var(--black); outline-offset: 0.125rem; }
#cart-trigger:focus, #cart-trigger:active, #cart-trigger:focus-visible { outline: none; box-shadow: none; border: none; }

/* TYPOGRAPHY */
.p-price, #cart-total-price, .kpi-value, #cart-count-badge, #scan-counter, #stat-revenue, #stat-atv, #stat-count, .row-price, .transaction-row b, .transaction-row span:last-child { font-family: var(--font-mono) !important; font-variant-numeric: tabular-nums; letter-spacing: -0.0312rem; color: var(--black); }
.kpi-label, .kpi-footer span { color: var(--grey-text) !important; }
.transaction-row, .kpi-card, #sec-operations, #sec-analytics { color: var(--black) !important; }
#sec-operations, #sec-analytics { display: block; }
.scan-counter-active { background: #fff; color: #000; }

/* AUTH */
#auth-screen { height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--grey-bg); }
.auth-card { background: var(--white); padding: 1.5625rem 2.1875rem; width: 21.25rem; text-align: center; box-shadow: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.05); }
.auth-card h1 { font-size: 1.3rem; font-weight: 300; letter-spacing: 0.375rem; text-transform: uppercase; margin-bottom: 1.125rem; }
.auth-form { display: flex; flex-direction: column; gap: 0.625rem; }
.auth-input { width: 100%; padding: 0.6875rem; margin-bottom: 0.5rem; border: 0.0625rem solid var(--grey-border); font-size: 0.95rem; outline: none; transition: var(--transition); }
.auth-input:focus, .auth-input:focus-visible { border-color: var(--black); outline: none; box-shadow: none; }

/* BUTTONS */
.btn-login, .btn-round-scan, .btn-sell { border: none; font-weight: 700; text-transform: uppercase; cursor: pointer; transition: var(--transition); border-radius: 3.125rem; }
.btn-login { width: 100%; padding: 0.9375rem; background: var(--black); color: var(--white); letter-spacing: 0.125rem; margin-top: 0.625rem; }
.btn-login:hover { background: #eeeeee; color: var(--black); }
.btn-round-scan { width: 100%; padding: 1rem; background: white; color: black; letter-spacing: 0.125rem; }
.btn-round-scan:hover { transform: scale(1.02); background: #f0f0f0; }
.btn-sell { background: black; color: white; padding: 0 1.5625rem; font-size: 0.7rem; height: 2.5rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; white-space: nowrap; overflow: hidden; transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, opacity 0.3s ease-in-out; }

@media (hover: hover) and (pointer: fine) {
    .btn-sell:hover {
        transform: translateY(-0.1875rem);
        background: #222;
        box-shadow: 0 0.75rem 1.75rem rgba(0, 0, 0, 0.22);
    }
}

.btn-sell:active {
    transform: translateY(0);
    box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.18);
    opacity: 0.92;
}

.btn-sell:focus,
.btn-sell:focus-visible {
    outline: none;
    box-shadow: none;
}

@keyframes lumeBtnAdded {
    0% { transform: translateY(0) scale(1); box-shadow: 0 0 0 rgba(0,0,0,0); }
    40% { transform: translateY(0.05rem) scale(0.985); box-shadow: 0 0.125rem 0.625rem rgba(0,0,0,0.18); }
    75% { transform: translateY(-0.03rem) scale(1.01); box-shadow: 0 0.625rem 1.5rem rgba(0,0,0,0.16); }
    100% { transform: translateY(0) scale(1); box-shadow: 0 0 0 rgba(0,0,0,0); }
}

.btn-sell.btn-added {
    animation: lumeBtnAdded 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    background: #0f172a;
}

@keyframes lumeBadgeBump {
    0% { transform: scale(1); }
    45% { transform: scale(1.14); }
    100% { transform: scale(1); }
}

#cart-count-badge.cart-badge-bump {
    animation: lumeBadgeBump 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

#inventory-search:focus,
#inventory-search:focus-visible,
.search-input:focus,
.search-input:focus-visible {
    outline: none;
    box-shadow: none;
}

/* LAYOUT */
#terminal-app { display: flex; height: 100vh; width: 100%; transition: filter 0.4s ease, opacity 0.4s ease; }
.stage { flex: 1; padding: 3.125rem; overflow-y: auto; background: white; }

/* HAMBURGER */
.burger-btn { position: fixed; top: 1.875rem; left: 1.875rem; z-index: 1100; background: none; border: none; cursor: pointer; display: flex; flex-direction: column; gap: 0.5rem; opacity: 0; pointer-events: none; transition: 0.4s; }
.burger-btn span { width: 1.5625rem; height: 0.0625rem; background: #000; transition: 0.4s; }
#terminal-app:not(.hidden) ~ .burger-btn, .app-active .burger-btn { opacity: 1; pointer-events: auto; }
.sidebar-open .burger-btn span { background: #fff; }
.sidebar-open .burger-btn span:first-child { transform: translateY(0.2812rem) rotate(45deg); }
.sidebar-open .burger-btn span:last-child { transform: translateY(-0.2812rem) rotate(-45deg); }

/* SIDEBAR */
.sidebar { position: fixed; left: 0; top: 0; width: 18.75rem; height: 100vh; background: #000; color: #ffffff; z-index: 1050; transform: translateX(-100%); transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.sidebar-open .sidebar { transform: translateX(0); }
.brand { padding: 3.75rem 0 2.5rem; font-size: 2rem; font-weight: 200; letter-spacing: 0.75rem; text-transform: uppercase; text-align: center; }
.scan-action { padding: 1.25rem 1.875rem; }
.nav-menu { flex: 1; margin-top: 1.875rem; }
.nav-item { padding: 1.25rem 2.5rem; color: var(--grey-text); cursor: pointer; text-transform: uppercase; letter-spacing: 0.1875rem; font-size: 0.8rem; font-weight: 600; transition: var(--transition); }
.nav-item:hover, .nav-item.active { color: white; }
.nav-item.active { background: #444444; border-left: 0.25rem solid white; padding-left: 2.25rem; }

/* OVERLAY */
.menu-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.2); opacity: 0; visibility: hidden; transition: opacity 0.5s ease, visibility 0.5s; z-index: 1040; }
.sidebar-open .menu-overlay { opacity: 1; visibility: visible; }

/* SEARCH */
.search-bar-container { position: relative; width: 90%; margin: 1.25rem 2.5rem 1.25rem; display: block; }
.search-bar-container::before { content: '🔍'; position: absolute; left: 1.5625rem; top: 50%; transform: translateY(-50%); opacity: 0.3; }
.search-input { width: 100%; padding: 1.25rem 1.875rem 1.25rem 3.75rem; border-radius: 3.125rem; border: none; background: var(--grey-bg); font-size: 1rem; outline: none; font-weight: 500; transition: var(--transition); }
.search-input:focus { background: var(--white); border: 0.0625rem solid var(--grey-border); }
.suggestions-box { position: absolute; width: 100%; max-width: 25rem; background: white; box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.1); z-index: 1000; border-radius: 0.25rem; margin-top: 0.3125rem; }
.suggestions-box.hidden { display: none; }
#search-suggestions { position: absolute; top: 3.75rem; width: 100%; max-width: 25rem; background: #fff; box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.1); z-index: 1100; border-radius: 0.5rem; }
.suggestion-item { padding: 0.9375rem; cursor: pointer; display: flex; align-items: center; gap: 0.625rem; transition: var(--transition); }
.suggestion-item:hover { background: #f5f5f5; }
.suggestion-item img { width: 1.875rem; height: 1.875rem; object-fit: cover; border-radius: 0.125rem; }
.suggestion-item-content { flex: 1; }
.suggestion-item-name { font-weight: 700; font-size: 0.8rem; text-transform: uppercase; }
.suggestion-item-price { font-size: 0.7rem; color: #888; margin-top: 0.25rem; }

/* PRODUCTS */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.875rem; grid-auto-rows: 1fr; }
.product-card { display: flex; flex-direction: column; justify-content: space-between; height: 100%; padding: 1.25rem; border-radius: 0.9375rem; transition: var(--transition); text-align: center; }
@media (hover: hover) {
    .product-card:hover { transform: translateY(-0.3125rem); box-shadow: inset 0 0 0 0.125rem #333; }
}
.product-card img { width: 100%; height: 13.75rem; object-fit: contain; margin-bottom: 1.25rem; }
.p-name { font-weight: 800; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.0625rem; margin-bottom: 0.5rem; }
.p-price { color: var(--grey-text); font-weight: 600; margin-bottom: 0.9375rem; }

/* CART */
#cart-trigger { position: fixed; top: 2.1875rem; right: 2.5rem; z-index: 1001; cursor: pointer; display: flex; align-items: center; gap: 0.625rem; transition: var(--transition); border: none; background: none; outline: none; padding: 0; }
#cart-trigger span { font-size: 0.7rem; letter-spacing: 0.125rem; font-weight: 700; text-transform: uppercase; }
#cart-count-badge { width: 1.5rem; height: 1.5rem; background: #000; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem; font-weight: 800; }

/* SYNC / OFFLINE TOAST */
.sync-toast {
    position: fixed;
    left: 50%;
    bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
    transform: translateX(-50%);
    z-index: 3500;
    font-size: 0.75rem;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.92);
    color: rgba(0,0,0,0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    pointer-events: none;
    opacity: 1;
}
.sync-toast.hidden { display: none; }
.sync-toast.is-offline {
    background: rgba(17,17,17,0.92);
    color: rgba(255,255,255,0.92);
    border-color: rgba(255,255,255,0.15);
}
.sync-toast.is-syncing {
    background: rgba(180,83,9,0.92);
    color: rgba(255,255,255,0.95);
    border-color: rgba(255,255,255,0.2);
}
.sync-toast.is-online {
    background: rgba(255,255,255,0.92);
    color: rgba(0,0,0,0.7);
}
#cart-panel { position: fixed !important; top: 0 !important; right: -25rem !important; left: auto !important; width: 23.75rem !important; min-width: 23.75rem !important; max-width: 23.75rem !important; height: 100vh !important; background: #ffffff !important; z-index: 3000 !important; box-shadow: -1.25rem 0 3.125rem rgba(0, 0, 0, 0.1) !important; transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1) !important; display: flex !important; flex-direction: column !important; }
body.cart-open #cart-panel { right: 0 !important; }
#cart-panel.hidden { pointer-events: none; }
.cart-panel-header { padding: 3.75rem 2.5rem 1.25rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.cart-panel-title { font-size: 0.9rem; letter-spacing: 0.25rem; text-transform: uppercase; }
.cart-close-btn { cursor: pointer; font-size: 1.2rem; background: none; border: none; padding: 0; }

.btn-clear-cart {
    margin-top: 0.75rem;
    align-self: center;
    background: transparent;
    border: none;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--grey-text);
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

@media (hover: hover) and (pointer: fine) {
    .btn-clear-cart:hover {
        opacity: 1;
        transform: translateY(-1px);
        color: #111;
    }
}

.btn-clear-cart:active {
    transform: translateY(0);
    opacity: 0.85;
}
#cart-items-list { flex: 1; overflow-y: auto; padding: 1.25rem 2.5rem; }
.cart-item-wrapper { display: flex; justify-content: space-between; margin-bottom: 0.9375rem; padding-bottom: 0.625rem; flex-wrap: wrap; gap: 0.5rem; }
.cart-item-img-container { display: flex; gap: 0.625rem; align-items: center; }
.cart-item-img { width: 2.5rem; height: 2.5rem; object-fit: cover; border-radius: 0.25rem; }
.cart-item-info { display: flex; flex-direction: column; justify-content: center; }
.cart-item-name { font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.cart-item-quantity { font-size: 0.7rem; color: #888; margin-top: 0.25rem; }
.cart-item-price { font-family: var(--font-mono); font-weight: 800; }
.cart-panel-footer { padding: 2.5rem; display: flex; flex-direction: column; align-items: stretch; }
.cart-total-section { display: flex; justify-content: space-between; margin-bottom: 1.875rem; font-weight: 800; font-size: 1.2rem; flex-wrap: wrap; gap: 0.5rem; }

/* TRANSACTIONS */
.content-module { max-width: 56.25rem; margin: 0 auto; padding: 3.75rem 1.25rem; width: 100%; }
.module-header { margin-bottom: 3.125rem; padding-left: 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.module-header h2 { font-size: 1.1rem; font-weight: 300; letter-spacing: 0.5rem; text-transform: uppercase; }

.analytics-controls { display: inline-flex; align-items: center; gap: 0.75rem; }
.analytics-user-pill {
    display: inline-flex;
    align-items: baseline;
    gap: 0.375rem;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    background: rgba(0,0,0,0.03);
    border: 1px solid rgba(0,0,0,0.06);
}
.analytics-user-pill[role="button"] { cursor: pointer; user-select: none; }
.analytics-user-pill:focus, .analytics-user-pill:focus-visible { outline: none; }
@media (hover: hover) and (pointer: fine) {
    .analytics-user-pill:hover { background: rgba(0,0,0,0.05); }
}

.analytics-user-popover {
    position: absolute;
    right: auto;
    margin-left: 0;
    top: calc(100% + 0.5rem);
    width: 16.5rem;
    padding: 0.75rem;
    border-radius: 1rem;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1200;
}
.analytics-user-popover.hidden { display: none; }
.analytics-user-title {
    font-size: 0.62rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--grey-text);
    font-weight: 700;
    margin-bottom: 0.6rem;
}
.analytics-user-list { display: flex; flex-direction: column; gap: 0.4rem; }
.analytics-user-option {
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(0,0,0,0.02);
    color: rgba(0,0,0,0.66);
    font-weight: 800;
    font-size: 0.65rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    border-radius: 0.75rem;
    padding: 0.55rem 0.6rem;
    cursor: pointer;
    text-align: left;
    transition: transform 0.3s ease-in-out, background 0.3s ease-in-out, color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
@media (hover: hover) and (pointer: fine) {
    .analytics-user-option:hover { transform: translateY(-1px); background: rgba(0,0,0,0.05); color: rgba(0,0,0,0.74); }
}
.analytics-user-option:active { transform: translateY(0); opacity: 0.9; }
.analytics-user-option.is-active { background: rgba(0,0,0,0.07); border-color: rgba(0,0,0,0.14); color: rgba(0,0,0,0.78); }
.analytics-user-label {
    font-size: 0.62rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--grey-text);
    font-weight: 600;
}
.analytics-user-value {
    font-size: 0.7rem;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    color: rgba(0,0,0,0.7);
    font-weight: 700;
}

.analytics-range-wrap { position: relative; }
.analytics-range-trigger {
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.65);
    color: rgba(0,0,0,0.62);
    font-weight: 700;
    font-size: 0.65rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 0.45rem 0.7rem;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, background 0.3s ease-in-out, color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
@media (hover: hover) and (pointer: fine) {
    .analytics-range-trigger:hover {
        transform: translateY(-1px);
        background: rgba(255,255,255,0.92);
        color: rgba(0,0,0,0.74);
    }
}
.analytics-range-trigger:active { transform: translateY(0); opacity: 0.9; }
.analytics-range-trigger:focus, .analytics-range-trigger:focus-visible { outline: none; }

.analytics-range-popover {
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    width: 18.5rem;
    padding: 0.75rem;
    border-radius: 1rem;
    background: rgba(255,255,255,0.95);
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1200;
}
.analytics-range-popover.hidden { display: none; }
.analytics-range-presets { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; }
.analytics-preset {
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(0,0,0,0.02);
    color: rgba(0,0,0,0.62);
    font-weight: 800;
    font-size: 0.6rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    border-radius: 0.75rem;
    padding: 0.45rem 0.4rem;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, background 0.3s ease-in-out, color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
@media (hover: hover) and (pointer: fine) {
    .analytics-preset:hover { transform: translateY(-1px); background: rgba(0,0,0,0.05); color: rgba(0,0,0,0.74); }
}
.analytics-preset:active { transform: translateY(0); opacity: 0.9; }
.analytics-preset.is-active { background: rgba(0,0,0,0.07); border-color: rgba(0,0,0,0.14); color: rgba(0,0,0,0.78); }

.analytics-range-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin-top: 0.75rem; }
.analytics-range-field { display: flex; flex-direction: column; gap: 0.25rem; }
.analytics-range-label {
    font-size: 0.62rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--grey-text);
    font-weight: 600;
}
.analytics-range-input {
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.85);
    border-radius: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(0,0,0,0.7);
    outline: none;
    padding: 0.45rem 0.55rem;
}
.analytics-range-actions { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; margin-top: 0.75rem; }
.analytics-range-clear, .analytics-range-close {
    border: none;
    background: transparent;
    color: var(--grey-text);
    font-weight: 700;
    font-size: 0.65rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    cursor: pointer;
    padding: 0.35rem 0.25rem;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, color 0.3s ease-in-out;
}
@media (hover: hover) and (pointer: fine) {
    .analytics-range-clear:hover, .analytics-range-close:hover { transform: translateY(-1px); color: rgba(0,0,0,0.72); }
}
.analytics-range-clear:active, .analytics-range-close:active { transform: translateY(0); opacity: 0.9; }
.transaction-list { display: flex; flex-direction: column; gap: 0.75rem; }
.transaction-row { display: flex; justify-content: space-between; align-items: center; padding: 1.5625rem 2.1875rem; background: var(--grey-bg); border-radius: 1.25rem; transition: var(--transition); flex-wrap: wrap; gap: 0.75rem; }
.transaction-row:hover { background: #f0f0f0; transform: scale(1.01); }
.transaction-row[role="button"] { cursor: pointer; user-select: none; }
.transaction-row:focus, .transaction-row:focus-visible { outline: none; }
.transaction-row-main { display: flex; flex-direction: column; }
.transaction-row-name { display: block; text-transform: uppercase; font-size: 0.8rem; font-weight: 700; }
.transaction-row-time { color: var(--grey-text); font-size: 0.7rem; margin-top: 0.375rem; }
.row-main b { font-size: 0.85rem; letter-spacing: 0.0625rem; text-transform: uppercase; }
.row-main small { display: block; color: var(--grey-text); margin-top: 0.375rem; font-size: 0.7rem; }
.ops-empty { text-align: center; padding: 5rem; color: #ccc; letter-spacing: 0.125rem; font-size: 0.7rem; text-transform: uppercase; }

.transaction-details {
    margin-top: -0.5rem;
    padding: 1rem 2.1875rem 1.25rem;
    background: #fff;
    border-radius: 1.25rem;
    border: 1px solid var(--grey-border);
}
.transaction-details.hidden { display: none; }
.tx-item {
    display: grid;
    grid-template-columns: 3.25rem 1fr;
    gap: 0.75rem;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.tx-item:last-child { border-bottom: none; }
.tx-item-img {
    width: 3.25rem;
    height: 3.25rem;
    object-fit: cover;
    border-radius: 0.5rem;
    background: var(--grey-bg);
}
.tx-item-name {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
}
.tx-item-sub {
    margin-top: 0.25rem;
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
    color: var(--grey-text);
    font-weight: 600;
    font-size: 0.75rem;
}
.tx-item-qty { opacity: 0.9; }
.tx-empty { color: var(--grey-text); font-weight: 600; font-size: 0.75rem; padding: 0.5rem 0; }

/* ANALYTICS */
.analytics-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 1.25rem; }
.analytics-card { background: var(--grey-bg); padding: 3.75rem; border-radius: 1.5625rem; }
.kpi-main { font-size: 5rem; font-weight: 900; letter-spacing: -0.25rem; margin: 0.625rem 0; }
.kpi-sub { font-size: 1.2rem; color: var(--grey-text); margin-bottom: 2.5rem; font-weight: 500; }
.kpi-card { background: var(--grey-bg); padding: 2.5rem; border-radius: 1.25rem; transition: var(--transition); border: 0.0625rem solid transparent; }
.kpi-card:hover { background: #fff; border-color: var(--grey-border); transform: translateY(-0.3125rem); }
.kpi-label { text-transform: uppercase; letter-spacing: 0.1875rem; font-weight: 700; color: var(--grey-text); font-size: 0.65rem; margin-bottom: 0.9375rem; display: block; }
.kpi-value { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.0625rem; }
.kpi-footer { margin-top: 1.5625rem; padding-top: 1.25rem; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; flex-wrap: wrap; gap: 0.5rem; }
.analytics-value { font-family: var(--font-mono); font-weight: 700; }

/* CAMERA / SCANNER MODAL */
#camera-module {
    position: fixed !important;
    inset: 0;
    z-index: 4000 !important;
    display: flex !important;
    flex-direction: column;
    background: #000;
    overflow: hidden;
}
#camera-module.hidden { display: none !important; }

.scanner-viewport {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.barcode-reader {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
.barcode-reader video { width: 100%; height: 100%; object-fit: cover; }

.camera-focus-frame {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14rem;
    height: 8rem;
    border: 0.25rem solid rgba(34, 197, 94, 0.9);
    border-radius: 0.5rem;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.scanner-footer {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.85);
}
.switch-camera-btn {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.7rem;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.3s ease, background 0.3s ease;
}
.switch-camera-btn:hover { background: rgba(255, 255, 255, 0.35); }
.scan-counter { font-size: 0.8rem; color: rgba(255,255,255,0.85); }
.scanner-done-btn {
    background: #fff;
    color: #000;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.scanner-done-btn:hover { opacity: 0.95; transform: translateY(-1px); }
.scanner-done-btn:active { transform: translateY(0); }

@keyframes scanMove { 0% { top: 0; } 100% { top: 100%; } }