/* =========================================================
   1. GLOBAL VARIABLES & THEME
========================================================= */
:root {
    --bg-dark: #0f1319;
    --card-bg: #1a1e24;
    --card-bg-light: #242930;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    
    --color-green: #22c55e;
    --color-green-light: rgba(34, 197, 94, 0.15);
    
    --color-blue: #3b82f6;
    --color-blue-light: rgba(59, 130, 246, 0.15);
    
    --color-red: #ef4444;
    --color-red-light: rgba(239, 68, 68, 0.15);
    
    --color-orange: #f97316;
    --border-color: #2e3640;
}

/* =========================================================
   2. BASE RESET & LAYOUT
========================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: #000; display: flex; justify-content: center; color: var(--text-primary); }
a { text-decoration: none; }

.app-container {
    width: 100%; max-width: 414px; height: 100vh;
    background-color: var(--bg-dark); position: relative;
    overflow: hidden; display: flex; flex-direction: column;
}

.main-content { flex: 1; overflow-y: auto; padding: 0 16px; padding-bottom: 20px; }
.main-content::-webkit-scrollbar { display: none; }

/* =========================================================
   3. TYPOGRAPHY & UTILITIES
========================================================= */
.text-green { color: var(--color-green); }
.text-blue { color: var(--color-blue); }
.text-red { color: var(--color-red); }
.text-orange { color: var(--color-orange); }
.text-muted { color: var(--text-secondary); }
.text-light { color: var(--text-primary); }
.text-xs { font-size: 11px; }
.text-sm { font-size: 13px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.d-none { display: none !important; }
.mt-5 { margin-top: 5px; }
.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }
.mb-15 { margin-bottom: 15px; }
.flex-1 { flex: 1; }

.btn-text { background: none; border: none; font-size: 12px; font-weight: 600; cursor: pointer; }

/* =========================================================
   4. HEADER & BOTTOM NAVIGATION
========================================================= */
.app-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; background-color: var(--bg-dark); z-index: 10; }
.header-left { display: flex; align-items: center; gap: 12px; }
.logo-circle { width: 40px; height: 40px; background-color: #ffffff; color: var(--color-blue); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 20px; font-weight: bold; }
.brand-info h1 { font-size: 16px; font-weight: 600; }
.brand-info p { font-size: 12px; color: var(--text-secondary); }
.header-right { font-size: 20px; color: var(--text-secondary); cursor: pointer; }
.icon-btn { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-primary); }

.bottom-nav { position: absolute; bottom: 0; width: 100%; height: 65px; background-color: var(--card-bg); border-top: 1px solid var(--border-color); display: flex; justify-content: space-around; align-items: center; z-index: 10; }
.nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-secondary); font-size: 10px; }
.nav-item i { font-size: 18px; }
.nav-item.active { color: var(--color-blue); }

/* =========================================================
   5. GRID LAYOUTS, CARDS & ICONS (SHARED)
========================================================= */
.grid-3-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 15px; }
.grid-2-col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.card { background-color: var(--card-bg); border-radius: 12px; padding: 12px 8px; border: 1px solid var(--border-color); transition: 0.2s; }
.stat-card { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.stat-card-horizontal { display: flex; flex-direction: column; align-items: flex-start; padding: 12px; }

.icon-box { width: 32px; height: 32px; border-radius: 8px; display: flex; justify-content: center; align-items: center; font-size: 14px; }
.icon-green { color: var(--color-green); border: 1px solid var(--color-green); }
.icon-blue { color: var(--color-blue); border: 1px solid var(--color-blue); }
.icon-red { color: var(--color-red); border: 1px solid var(--color-red); }

.icon-green-outline { color: var(--color-green); background-color: var(--color-green-light); }
.icon-red-outline { color: var(--color-red); background-color: var(--color-red-light); }
.icon-blue-outline { color: var(--color-blue); background-color: var(--color-blue-light); }

.icon-green-bg { background-color: var(--color-green-light); color: var(--color-green); border-radius: 50%; }
.icon-red-bg { background-color: var(--color-red-light); color: var(--color-red); border-radius: 50%; }
.icon-dark-bg { background-color: var(--card-bg-light); color: var(--text-primary); border-radius: 50%; }
.icon-blue-bg { background-color: rgba(59, 130, 246, 0.15); color: var(--color-blue); border-radius: 50%; }

.icon-blue-solid { background-color: var(--color-blue); color: white; }
.icon-orange-solid { background-color: var(--color-orange); color: white; }
.icon-red-solid { background-color: var(--color-red); color: white; }

/* =========================================================
   6. TRANSACTIONS & DATA TABLES (DASHBOARD)
========================================================= */
.section-header { display: flex; justify-content: space-between; align-items: center; margin: 20px 0 10px 0; }
.section-header h2 { font-size: 14px; font-weight: 600; }
.transaction-list { background-color: var(--card-bg); border-radius: 12px; padding: 10px 15px; }
.transaction-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border-color); }
.transaction-item:last-child { border-bottom: none; }
.trans-left { display: flex; align-items: center; gap: 12px; }
.trans-left h4 { font-size: 14px; font-weight: 500; }

.table-container { display: flex; background-color: var(--card-bg); border-radius: 12px; overflow: hidden; }
.table-tabs { display: flex; flex-direction: column; background-color: #15191e; border-right: 1px solid var(--border-color); }
.tab { padding: 20px 10px; background: none; border: none; color: var(--text-secondary); writing-mode: vertical-rl; transform: rotate(180deg); cursor: pointer; font-size: 12px; }
.tab.active { background-color: var(--color-green-light); color: var(--color-green); border-left: 2px solid var(--color-green); }
.table-wrapper { flex: 1; padding: 10px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { text-align: left; color: var(--text-primary); padding-bottom: 10px; font-weight: 500;}
td { padding: 8px 0; color: var(--text-secondary); border-bottom: 1px solid rgba(255,255,255,0.05); }
tfoot td { padding-top: 15px; font-weight: 600; border-bottom: none; }

.fab { position: absolute; bottom: 80px; right: 20px; width: 56px; height: 56px; background-color: var(--color-blue); color: white; border: none; border-radius: 50%; font-size: 24px; box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4); cursor: pointer; z-index: 20; }

/* =========================================================
   7. MODAL & BOTTOM SHEETS
========================================================= */
.modal-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 50; display: flex; align-items: flex-end; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.bottom-sheet { width: 100%; background-color: var(--card-bg); border-radius: 20px 20px 0 0; padding: 20px; transform: translateY(100%); transition: transform 0.3s ease; display: flex; flex-direction: column; }
.height-90 { height: 90% !important; }
.modal-overlay.active .bottom-sheet { transform: translateY(0); }

.modal-view { display: flex; flex-direction: column; gap: 15px; height: 100%; }
.sheet-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.header-with-back { display: flex; align-items: center; gap: 15px; }
.back-btn { background: none; border: none; color: var(--text-primary); font-size: 18px; cursor: pointer; }
.close-btn { background-color: var(--card-bg-light); color: var(--text-secondary); border: none; width: 30px; height: 30px; border-radius: 50%; cursor: pointer; }

.search-bar { background-color: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 8px; padding: 10px 15px; display: flex; align-items: center; gap: 10px; color: var(--text-secondary); }
.search-bar input { background: none; border: none; color: white; width: 100%; outline: none; }
.filter-btn { background-color: var(--bg-dark); border: 1px solid var(--border-color); color: var(--text-secondary); width: 42px; border-radius: 8px; display: flex; justify-content: center; align-items: center; cursor: pointer; }

/* Action Buttons within Modals */
.action-buttons { display: flex; gap: 10px; }
.action-buttons button { flex: 1; padding: 12px; border-radius: 8px; border: none; display: flex; align-items: center; justify-content: center; gap: 10px; color: white; cursor: pointer; text-align: left; }
.btn-cash-in { background-color: var(--color-green-light); border: 1px solid var(--color-green) !important; color: var(--color-green) !important; }
.btn-cash-out { background-color: var(--color-red-light); border: 1px solid var(--color-red) !important; color: var(--color-red) !important; }
.action-buttons-vertical { display: flex; flex-direction: column; gap: 12px; }
.btn-action-large { background-color: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 10px; padding: 16px; display: flex; align-items: center; gap: 15px; cursor: pointer; transition: 0.2s; }
.btn-action-large:hover { background-color: var(--card-bg-light); }
.btn-action-large i { font-size: 24px; width: 30px; text-align: center; }

/* Forms */
.form-scrollable { overflow-y: auto; padding-bottom: 20px; }
.form-scrollable::-webkit-scrollbar { display: none; }
.form-section-title { font-size: 12px; color: var(--color-blue); margin: 15px 0 10px 0; border-bottom: 1px solid var(--border-color); padding-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px;}
.input-group { background-color: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 8px; padding: 10px 14px; margin-bottom: 10px;}
.input-group label { font-size: 11px; color: var(--text-secondary); display: block; margin-bottom: 4px; }
.input-wrapper { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); }
.form-input, .input-wrapper input { width: 100%; background-color: transparent; border: none; color: var(--text-primary); font-size: 13px; padding: 5px 0; outline: none; }
.form-input option { background-color: var(--bg-dark); color: white; }
textarea.form-input { resize: none; font-family: inherit; }

.submit-btn { width: 100%; padding: 16px; border-radius: 8px; border: none; font-size: 15px; font-weight: 500; display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; margin-top: 15px;}
.blue-solid-btn { background-color: var(--color-blue); color: white; }
.green-solid-btn { background-color: rgba(21, 94, 43, 0.6); border: 1px solid var(--color-green); color: #4ade80; }
.red-solid-btn { background-color: rgba(127, 29, 29, 0.6); border: 1px solid var(--color-red); color: #f87171; }
.btn-primary-sm { background-color: var(--color-blue); color: white; border: none; border-radius: 8px; padding: 8px 12px; font-size: 12px; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 6px; }

/* =========================================================
   8. MY PRODUCTS SPECIFIC STYLES
========================================================= */
.search-filter-section { display: flex; gap: 10px; margin-bottom: 20px; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
.stat-box { background-color: var(--card-bg); border-radius: 10px; padding: 12px 8px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 5px; border: 1px solid var(--border-color); }
.box-blue { border-color: rgba(59, 130, 246, 0.3); }
.box-green { border-color: rgba(34, 197, 94, 0.3); }
.box-orange { border-color: rgba(249, 115, 22, 0.3); }
.box-red { border-color: rgba(239, 68, 68, 0.3); }
.stat-icon { font-size: 16px; margin-bottom: 2px; }
.box-blue .stat-icon { color: var(--color-blue); }
.box-green .stat-icon { color: var(--color-green); }
.box-orange .stat-icon { color: var(--color-orange); }
.box-red .stat-icon { color: var(--color-red); }
.stat-title { font-size: 10px; color: var(--text-secondary); }
.stat-value { font-size: 16px; }

.product-list-header { display: flex; padding: 0 10px 10px 10px; font-size: 11px; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); margin-bottom: 10px; }
.product-list { display: flex; flex-direction: column; gap: 8px; }
.product-item { display: flex; align-items: center; padding: 12px 10px; background-color: var(--card-bg); border-radius: 10px; border: 1px solid var(--border-color); }
.prod-info-col { flex: 2; display: flex; align-items: center; gap: 10px; }
.prod-img { width: 36px; height: 36px; border-radius: 6px; object-fit: cover; background: #fff; padding: 2px; }
.badge { display: inline-block; padding: 2px 6px; border-radius: 4px; font-size: 9px; font-weight: 600; margin-top: 4px; }
.badge-blue { background-color: var(--color-blue-light); color: var(--color-blue); }
.prod-stock-col { flex: 1; text-align: center; }
.prod-price-col { flex: 1; text-align: right; color: var(--text-primary); font-size: 13px; font-weight: 500; }
.prod-status-col { flex: 1; display: flex; justify-content: center; }
.status-badge { padding: 4px 8px; border-radius: 4px; font-size: 10px; font-weight: 500; }
.bg-green { background-color: rgba(34, 197, 94, 0.1); color: var(--color-green); border: 1px solid rgba(34, 197, 94, 0.2); }
.bg-orange { background-color: rgba(249, 115, 22, 0.1); color: var(--color-orange); border: 1px solid rgba(249, 115, 22, 0.2); }
.bg-red { background-color: rgba(239, 68, 68, 0.1); color: var(--color-red); border: 1px solid rgba(239, 68, 68, 0.2); }
.prod-action-col { flex: 0.5; display: flex; justify-content: flex-end; }
.edit-btn { background: none; border: none; color: var(--color-blue); font-size: 10px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px; }

.pagination { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding: 10px; }
.page-btn { background: none; border: none; font-size: 12px; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 6px; color: var(--text-primary);}
.page-numbers { display: flex; gap: 8px; align-items: center; }
.page-num { width: 28px; height: 28px; background-color: var(--card-bg); border: 1px solid var(--border-color); color: var(--text-secondary); border-radius: 6px; font-size: 12px; cursor: pointer; }
.page-num.active { background-color: var(--color-blue); color: white; border-color: var(--color-blue); }

.modal-product-list { display: flex; flex-direction: column; gap: 10px; }
.modal-product-item { display: flex; align-items: center; gap: 12px; background-color: var(--bg-dark); padding: 12px; border-radius: 8px; }
.prod-num { width: 25px; height: 25px; background-color: var(--card-bg-light); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 12px; color: var(--text-secondary); }
.prod-details { flex: 1; }
.custom-checkbox { width: 20px; height: 20px; accent-color: var(--color-blue); }

/* =========================================================
   9. ORDER & INVOICE SPECIFIC STYLES
========================================================= */
.top-tabs-container { display: flex; background-color: var(--card-bg); border-bottom: 1px solid var(--border-color); }
.top-tab { flex: 1; padding: 15px 0; background: none; border: none; color: var(--text-secondary); font-size: 13px; font-weight: 500; cursor: pointer; position: relative; transition: 0.2s; }
.top-tab.active { color: var(--color-blue); }
.top-tab.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background-color: var(--color-blue); }

.cart-list { display: flex; flex-direction: column; gap: 8px; }
.cart-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 15px; border-radius: 12px; }
.cart-item-info { flex: 2; }
.cart-qty-control { flex: 1; display: flex; justify-content: center; align-items: center; gap: 10px; background-color: var(--bg-dark); padding: 5px; border-radius: 8px; border: 1px solid var(--border-color); }
.qty-btn { background: none; border: none; color: var(--text-secondary); font-size: 12px; cursor: pointer; padding: 2px 5px; }
.qty-value { color: var(--text-primary); font-size: 13px; font-weight: 600; width: 20px; text-align: center; }
.cart-item-price { flex: 1; }

.order-summary { padding: 15px; border-radius: 12px; display: flex; flex-direction: column; gap: 10px; }
.summary-row { display: flex; justify-content: space-between; align-items: center; }
.summary-divider { height: 1px; background-color: var(--border-color); margin: 5px 0; }

.invoice-list { display: flex; flex-direction: column; gap: 12px; margin-top: 15px; }
.invoice-card { padding: 15px; border-radius: 12px; display: flex; flex-direction: column; gap: 12px; }
.invoice-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 8px; }
.invoice-body { display: flex; justify-content: space-between; align-items: center; }
.invoice-footer { display: flex; justify-content: flex-end; gap: 15px; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 8px; }