:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #ffe4e6;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --dark: #0f172a;
    --gray-600: #475569;
    --gray-400: #94a3b8;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border-radius: 14px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* TEXT UTILITIES */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-primary { color: var(--primary) !important; }
.text-center { text-align: center !important; }

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--dark);
    color: #fff;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.25s ease forwards;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }

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

/* NAVBAR */
.navbar {
    background-color: #ffffff;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

#shop-name-display {
    font-size: 17px;
    font-weight: 800;
    color: var(--dark);
}

.badge {
    font-size: 11px;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 700;
    width: fit-content;
}

.nav-links {
    display: flex;
    gap: 6px;
}

.nav-btn {
    background: none;
    border: none;
    padding: 9px 14px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background-color: var(--gray-100);
    color: var(--primary);
}

.nav-btn.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.status-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-indicator {
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-indicator.online { color: var(--success); }
.status-indicator.offline { color: var(--warning); }

/* MAIN LAYOUT */
.main-content {
    flex: 1;
    padding: 24px;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

.app-section { display: none; }
.app-section.active { display: block; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h2 {
    font-size: 21px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quick-rate {
    background: #fff;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    font-size: 13px;
}

/* CARDS & STATS */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header.red-header { border-left: 4px solid var(--danger); }
.card-header.warning-header { border-left: 4px solid var(--warning); }

.card-header h3 {
    font-size: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 18px; }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-card.blue .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.purple .stat-icon { background: #f3e8ff; color: #9333ea; }
.stat-card.amber .stat-icon { background: var(--warning-light); color: var(--warning); }
.stat-card.red .stat-icon { background: var(--danger-light); color: var(--danger); }

.stat-label {
    font-size: 12.5px;
    color: var(--gray-600);
    display: block;
    margin-bottom: 4px;
}

.stat-info h3 {
    font-size: 19px;
    font-weight: 800;
}

.stat-sub {
    font-size: 11.5px;
    color: var(--gray-600);
    display: block;
    margin-top: 3px;
}

.dashboard-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.empty-msg {
    color: var(--gray-400);
    font-size: 13.5px;
    text-align: center;
    padding: 20px 0;
}

/* POS KASSA LAYOUT */
.pos-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 20px;
}

.search-bar-container {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-input-group {
    flex: 1;
    min-width: 220px;
    position: relative;
}

.search-input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.search-input-group input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    background: #ffffff;
}

.search-input-group input:focus { border-color: var(--primary); }

.select-filter {
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    background: #ffffff;
    font-size: 14px;
    outline: none;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 14px;
    max-height: calc(100vh - 190px);
    overflow-y: auto;
    padding-right: 4px;
}

.product-item-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 14px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.product-item-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.product-item-card.out-of-stock {
    opacity: 0.55;
    background: var(--gray-100);
}

.product-item-title {
    font-size: 14.5px;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.3;
}

.product-item-sub {
    font-size: 12px;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.product-item-price {
    font-size: 15px;
    font-weight: 800;
    color: var(--primary);
    margin-top: 6px;
}

/* CART PANEL */
.pos-cart-panel {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 115px);
}

.cart-items-container {
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px;
}

.cart-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    gap: 8px;
}

.cart-qty-btn {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid var(--gray-200);
    background: #fff;
    cursor: pointer;
    font-weight: bold;
}

.cart-qty-btn:hover { background: var(--gray-100); }

.cart-summary {
    padding: 16px;
    background: var(--gray-100);
    border-top: 1px solid var(--gray-200);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 13.5px;
}

.summary-input {
    width: 130px;
    padding: 5px 8px;
    border-radius: 6px;
    border: 1px solid var(--gray-200);
    text-align: right;
    font-weight: 600;
}

.summary-row.total-row {
    font-size: 18px;
    font-weight: 800;
    color: var(--dark);
    margin-top: 6px;
}

.summary-row.usd-row {
    font-size: 13px;
    color: var(--success);
    font-weight: 700;
}

.checkout-fields {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.checkout-fields label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
}

.checkout-fields select,
.checkout-fields input {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    font-size: 13.5px;
    background: #fff;
    outline: none;
}

.debt-warning {
    background: var(--danger-light);
    color: var(--danger);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12.5px;
    margin-top: 4px;
}

/* BUTTONS */
.btn {
    padding: 9px 15px;
    border-radius: 9px;
    border: none;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--primary); color: #ffffff; }
.btn-secondary { background: var(--gray-200); color: var(--dark); }
.btn-success { background: var(--success); color: #ffffff; }
.btn-danger { background: var(--danger); color: #ffffff; }
.btn-outline { background: transparent; border: 1px solid var(--gray-200); color: var(--dark); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11.5px; }
.btn-lg { padding: 12px 18px; font-size: 15px; }
.btn-block { width: 100%; margin-top: 10px; }

/* TABLES */
.table-responsive { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.data-table th,
.data-table td {
    padding: 11px 14px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background-color: var(--gray-100);
    font-weight: 700;
    color: var(--gray-600);
}

.data-table tr:hover td { background-color: #f8fafc; }

/* SETTINGS & FORMS */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--gray-600);
}

.form-group input:not([type="checkbox"]),
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 9px 12px;
    border-radius: 9px;
    border: 1px solid var(--gray-200);
    font-size: 14px;
    outline: none;
}

.input-with-btn {
    display: flex;
    gap: 8px;
}

.input-with-btn input { flex: 1; }

/* MODALS */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.55);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.modal.active { display: flex; }

.modal-content {
    background: #ffffff;
    border-radius: var(--border-radius);
    width: 92%;
    max-width: 520px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.15);
    overflow: hidden;
}

.modal-sm { max-width: 400px; }

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.close-modal {
    font-size: 22px;
    cursor: pointer;
    color: var(--gray-400);
    line-height: 1;
}

.modal-body { padding: 20px; }

.modal-footer {
    padding: 12px 20px;
    background: var(--gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row > div { flex: 1; }

.filter-chips {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.chip {
    padding: 7px 15px;
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    background: #ffffff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.chip.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.chip.red-chip.active {
    background: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger);
}

/* ================================================================ */
/* REQUIREMENT: HIDE / RESTRICT REPORTS ON DESKTOP/COMPUTER SCREEN */
/* ================================================================ */
@media (min-width: 768px) {
    #reports-nav-item,
    .mobile-only-nav,
    .mobile-only-section {
        display: none !important;
    }
}

@media (max-width: 900px) {
    .pos-layout { grid-template-columns: 1fr; }
    .pos-cart-panel { height: auto; }
}

@media (max-width: 767px) {
    .navbar { padding: 10px 14px; }
    .nav-links span { display: none; }
    .main-content { padding: 14px; }
}

/* ================================================================ */
/* CHEK OYNASI (ekranda ko'rinishi) — chop etish iframe orqali      */
/* ================================================================ */
.receipt-stage {
    background: var(--gray-100);
    max-height: 70vh;
    overflow-y: auto;
    padding: 16px 10px;
}
.receipt-stage .rc {
    padding: 14px 12px 18px;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.18);
    border-radius: 2px;
}

.form-group textarea {
    padding: 9px 12px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    font-size: 13.5px;
    background: #fff;
    outline: none;
    resize: vertical;
    width: 100%;
}
.check-row {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 600;
}
.check-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.debt-warning.change {
    background: var(--success-light);
    color: var(--success);
}

/* KAMERA SKANER */
.scanner-body { position: relative; padding: 0; background: #000; }
.scanner-body video {
    display: block;
    width: 100%;
    max-height: 60vh;
    object-fit: cover;
}
.scanner-line {
    position: absolute;
    left: 10%;
    right: 10%;
    top: 50%;
    height: 2px;
    background: #ef4444;
    box-shadow: 0 0 8px #ef4444;
    pointer-events: none;
}
.scanner-hint {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 8px 12px;
    font-size: 12px;
    color: #fff;
    text-align: center;
    background: rgba(0, 0, 0, 0.55);
}

/* Zaxira: Ctrl+P bosilsa ham faqat chek chiqadi */
@media print {
    @page { margin: 0; }
    #app, #toast-container, .modal:not(#receipt-modal) { display: none !important; }
    #receipt-modal {
        position: static;
        display: block !important;
        background: none;
        backdrop-filter: none;
    }
    #receipt-modal .modal-header,
    #receipt-modal .modal-footer { display: none !important; }
    #receipt-modal .modal-content { box-shadow: none; width: auto; max-width: none; border-radius: 0; }
    .receipt-stage { background: none; padding: 0; max-height: none; overflow: visible; }
    .receipt-stage .rc { box-shadow: none; padding: 2mm 1.5mm 8mm; }
}

/* ================================================================ */
/* PRO: yuklab olish havolalari, ta'minotchilar, yorliq             */
/* ================================================================ */
.download-links { display: flex; gap: 6px; }
.btn.green-btn { border-color: var(--success); color: var(--success); }
.btn.green-btn:hover { background-color: var(--success-light); }
.btn.blue-btn { border-color: var(--primary); color: var(--primary); }
.btn.blue-btn:hover { background-color: var(--primary-light); }
@media (max-width: 1280px) { .download-links .dl-text { display: none; } }

.hint-text { font-size: 12px; color: var(--gray-600); line-height: 1.5; }

.shortcut-list { display: flex; flex-direction: column; gap: 10px; }
.shortcut-list > div { display: flex; align-items: center; gap: 8px; font-size: 13.5px; }
.shortcut-list span { color: var(--gray-600); margin-left: auto; }
kbd {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 700;
    font-family: inherit;
}

.supplier-form {
    display: grid;
    grid-template-columns: 1.4fr 1fr auto auto;
    gap: 8px;
    align-items: center;
}
.supplier-card {
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 10px;
    background: #fff;
}
.supplier-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}
.supplier-head small { color: var(--gray-600); font-weight: 500; margin-left: 6px; }
.supplier-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.supplier-stats > div {
    background: var(--gray-100);
    border-radius: 8px;
    padding: 7px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.supplier-stats span { font-size: 11px; color: var(--gray-600); }
.supplier-stats b { font-size: 13px; }
@media (max-width: 700px) {
    .supplier-form { grid-template-columns: 1fr; }
    .supplier-stats { grid-template-columns: repeat(2, 1fr); }
}

.label-options { display: flex; flex-direction: column; gap: 8px; text-align: left; }
#label-modal { z-index: 1100; }

/* SAVDO TARIXI FILTRI VA XOTIRA HOLATI */
.sales-filter {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px 4px;
}
.storage-info { display: flex; flex-direction: column; gap: 8px; }
.storage-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 13.5px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--gray-200);
}
.storage-row span { color: var(--gray-600); }

/* XAVFLI ZONA */
.danger-zone { border: 1px solid var(--danger); }
.danger-zone .card-header h3 { color: var(--danger); }
#reset-confirm-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ADMIN PROTECTED KARTALAR */
.admin-protected { transition: opacity 0.2s; }

/* Admin login modal yuqorida turadi */
#admin-login-modal { z-index: 1200; }
#admin-login-modal .modal-content { max-width: 360px; }

/* Admin parol kartasi */
#admin-current-password-row { display: flex; flex-direction: column; gap: 10px; }

/* ================================================================ */
/* SMENA                                                            */
/* ================================================================ */
.shift-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 11px; border-radius: 20px; border: 1px solid var(--gray-200);
    background: #fff; font-size: 12.5px; font-weight: 700; cursor: pointer;
}
.shift-chip.open   { color: var(--success); border-color: var(--success); background: var(--success-light); }
.shift-chip.closed { color: var(--gray-600); }
.shift-chip:hover  { filter: brightness(.97); }

.shift-card { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.shift-state { font-size: 20px; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.shift-state.open   { color: var(--success); }
.shift-state.closed { color: var(--gray-600); }
.shift-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.shift-meta > div, .shift-cell {
    background: var(--gray-100); border-radius: 10px; padding: 9px 12px;
    display: flex; flex-direction: column; gap: 3px;
}
.shift-meta span, .shift-cell span { font-size: 11.5px; color: var(--gray-600); }
.shift-meta b, .shift-cell b { font-size: 14px; }
.shift-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.shift-expected { color: var(--primary); font-size: 16px !important; }
.shift-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-lg { padding: 12px 22px; font-size: 15px; }
.shift-over { color: #d97706; }

.shift-diff {
    padding: 10px 12px; border-radius: 8px; font-weight: 800; text-align: center;
    background: var(--gray-100); color: var(--gray-600);
}
.shift-diff.ok   { background: var(--success-light); color: var(--success); }
.shift-diff.bad  { background: var(--danger-light);  color: var(--danger); }
.shift-diff.over { background: #fef3c7; color: #b45309; }

@media (max-width: 900px) {
    .shift-meta { grid-template-columns: repeat(2, 1fr); }
    .shift-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Smena kartasidagi tugmalar cho'zilmasin */
.shift-card > .btn { align-self: flex-start; }