/* ==========================================================================
   OPENMARKET EXPRESS SAAS - FULL RESPONSIVE DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-main: #0b0f19;
  --bg-sidebar: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-modal: #111827;
  --bg-input: #1f2937;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(16, 185, 129, 0.4);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-heading: #ffffff;
  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.35);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  --accent-orange: #f97316;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.25);
  --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-w: 220px;
  --sidebar-w-collapsed: 64px;
  --bottomnav-h: 56px;
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-modal: #ffffff;
  --bg-input: #f1f5f9;
  --border-color: #e2e8f0;
  --border-highlight: rgba(16, 185, 129, 0.6);
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-heading: #0f172a;
  --shadow-glow: 0 10px 30px rgba(16, 185, 129, 0.15);
}

[data-theme="light"] body {
  background-image:
    radial-gradient(circle at 15% 10%, rgba(16, 185, 129, 0.06), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, 0.06), transparent 40%),
    radial-gradient(circle at 70% 85%, rgba(139, 92, 246, 0.045), transparent 45%),
    radial-gradient(circle at 30% 80%, rgba(16, 185, 129, 0.04), transparent 40%);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Plus Jakarta Sans', sans-serif; -webkit-font-smoothing: antialiased; }

body {
  background-color: var(--bg-main);
  color: var(--text-main); line-height: 1.4; overflow-x: hidden; font-size: 14px; min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(16, 185, 129, 0.10), transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(6, 182, 212, 0.10), transparent 40%),
    radial-gradient(circle at 70% 85%, rgba(139, 92, 246, 0.08), transparent 45%),
    radial-gradient(circle at 30% 80%, rgba(16, 185, 129, 0.06), transparent 40%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6, .brand-logo { font-family: 'Outfit', sans-serif; color: var(--text-heading); letter-spacing: -0.02em; }

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; transition: all var(--transition-fast); }
input, select, textarea { font-family: inherit; outline: none; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: #374151; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-green); }

/* ============ SHARED FORM CLASSES ============ */

.form-control {
  width: 100%; padding: 0.7rem 0.8rem; background: var(--bg-input);
  border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  color: var(--text-main); font-size: 16px; transition: border-color var(--transition-fast);
  -webkit-appearance: none; appearance: none;
}
.form-control:focus { border-color: var(--accent-green); box-shadow: 0 0 0 3px var(--accent-green-glow); }
select.form-control {
  cursor: pointer; padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.8rem center;
}

/* ============ SHARED BUTTON CLASSES ============ */

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green), #059669); color: #fff;
  font-weight: 700; padding: 0.65rem 1.25rem; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.82rem;
  min-height: 44px; box-shadow: 0 4px 18px var(--accent-green-glow); position: relative; overflow: visible;
}
.btn-primary::after { content: ''; position: absolute; top: 0; left: -60%; width: 50%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent); transition: left var(--transition-normal); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--accent-green-glow); }
.btn-primary:hover::after { left: 130%; }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent; border: 1px solid var(--border-color); color: var(--text-main);
  font-weight: 700; padding: 0.65rem 1.25rem; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; min-height: 44px;
}
.btn-outline:hover { background: var(--bg-card-hover); border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }

.btn-logout {
  background: rgba(239, 68, 68, 0.15); color: var(--accent-red); font-weight: 700;
  padding: 0.5rem 0.9rem; border-radius: 6px; display: inline-flex;
  align-items: center; gap: 0.4rem; font-size: 0.8rem; min-height: 40px;
}
.btn-logout:hover { background: rgba(239, 68, 68, 0.3); }

.btn-qty {
  min-width: 40px; min-height: 40px; width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-input); border: 1px solid var(--border-color); color: var(--text-main);
  font-weight: 800; font-size: 1.1rem; display: inline-flex; align-items: center;
  justify-content: center; cursor: pointer;
}
.btn-qty:hover { background: var(--accent-green); color: #000; border-color: var(--accent-green); }

.btn-whatsapp { background: #25D366; color: #fff; font-weight: 700; padding: 0.6rem 1rem; border-radius: var(--radius-sm); display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; min-height: 44px; }
.btn-whatsapp:hover { background: #1eb956; }

.btn-wave { background: #00C3F8; color: #000; font-weight: 800; padding: 0.6rem 1rem; border-radius: var(--radius-sm); display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; min-height: 44px; }

/* ============ SHARED TOOLBAR/GRID CLASSES ============ */

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.toolbar-group { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.8rem; }
.reports-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

/* ============ LAYOUT SHELL ============ */

.app-container { display: flex; min-height: 100vh; }

/* ============ SIDEBAR ============ */

.sidebar {
  width: var(--sidebar-w); background: var(--bg-sidebar); border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column; padding: 1.2rem 0.8rem;
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 100;
  transition: width var(--transition-normal);
  background-image: linear-gradient(180deg, rgba(16,185,129,0.04), transparent 40%),
                    linear-gradient(0deg, rgba(6,182,212,0.04), transparent 40%);
}
.brand-box { display: flex; align-items: center; gap: 0.6rem; font-size: 1.2rem; font-weight: 800; background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 2.5rem; }
.brand-badge { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); border: 1px solid var(--accent-green); font-size: 0.65rem; font-weight: 800; padding: 2px 6px; border-radius: var(--radius-sm); text-transform: uppercase; }
.nav-menu { list-style: none; display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }
.nav-menu .nav-label { transition: opacity var(--transition-fast); }
.nav-item-btn { width: 100%; padding: 0.6rem 0.8rem; border-radius: var(--radius-md); color: var(--text-muted); font-weight: 600; font-size: 0.82rem; display: flex; align-items: center; gap: 0.8rem; transition: all var(--transition-fast); min-height: 44px; position: relative; }
.nav-item-btn i { transition: transform var(--transition-fast); }
.nav-item-btn:hover { background: rgba(16, 185, 129, 0.08); color: var(--accent-green); transform: translateX(3px); }
.nav-item-btn:hover i { transform: scale(1.12); }
.nav-item-btn.active { background: linear-gradient(90deg, rgba(16,185,129,0.18), rgba(6,182,212,0.08)); color: var(--accent-green); border-left: 3px solid var(--accent-green); box-shadow: inset 0 0 0 1px rgba(16,185,129,0.12); }
.sidebar-theme-toggle { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border-color); }

/* ============ MAIN CONTENT ============ */

.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 1rem 1.2rem; min-width: 0; }
.top-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.2rem; gap: 1rem; flex-wrap: wrap; }
.user-profile-box { display: flex; align-items: center; gap: 1rem; background: var(--bg-card); padding: 0.6rem 1.2rem; border-radius: var(--radius-full); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* ============ KPI CARDS ============ */

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 1.1rem 1rem; display: flex; align-items: center; gap: 1rem; position: relative; overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast); }
.kpi-card::before { content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 4px; background: var(--accent-green); }
.kpi-card::after { content: ''; position: absolute; top: -40%; right: -20%; width: 90px; height: 90px; border-radius: 50%; background: radial-gradient(circle, var(--accent-green-glow), transparent 70%); opacity: 0; transition: opacity var(--transition-fast); }
.kpi-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4); border-color: var(--border-highlight); }
.kpi-card:hover::after { opacity: 1; }
.kpi-card.amber::before { background: var(--accent-amber); }
.kpi-card.amber::after { background: radial-gradient(circle, rgba(245,158,11,0.35), transparent 70%); }
.kpi-card.cyan::before { background: var(--accent-cyan); }
.kpi-card.cyan::after { background: radial-gradient(circle, var(--accent-cyan-glow), transparent 70%); }
.kpi-card.red::before { background: var(--accent-red); }
.kpi-card.red::after { background: radial-gradient(circle, rgba(239,68,68,0.3), transparent 70%); }
.kpi-icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: linear-gradient(135deg, rgba(16, 185, 129, 0.22), rgba(16, 185, 129, 0.06)); color: var(--accent-green); display: flex; align-items: center; justify-content: center; font-size: 1.15rem; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(16,185,129,0.15); }
.kpi-card.amber .kpi-icon { background: linear-gradient(135deg, rgba(245,158,11,0.22), rgba(245,158,11,0.06)); color: var(--accent-amber); box-shadow: inset 0 0 0 1px rgba(245,158,11,0.15); }
.kpi-card.cyan .kpi-icon { background: linear-gradient(135deg, rgba(6,182,212,0.22), rgba(6,182,212,0.06)); color: var(--accent-cyan); box-shadow: inset 0 0 0 1px rgba(6,182,212,0.15); }
.kpi-card.red .kpi-icon { background: linear-gradient(135deg, rgba(239,68,68,0.22), rgba(239,68,68,0.06)); color: var(--accent-red); box-shadow: inset 0 0 0 1px rgba(239,68,68,0.15); }
.kpi-text h4 { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.kpi-text .val { font-size: 1.35rem; font-weight: 800; color: var(--text-heading); margin-top: 0.25rem; }

/* ============ POS REGISTER ============ */

.pos-layout { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; align-items: start; }
.pos-products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.2rem; }
.pos-prod-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 1rem; display: flex; flex-direction: column; justify-content: space-between; cursor: pointer; transition: all var(--transition-fast); }
.pos-prod-card:hover { border-color: var(--accent-green); transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(16,185,129,0.1); background: var(--bg-card-hover); }
.pos-cart-panel { background: var(--bg-sidebar); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; flex-direction: column; height: fit-content; box-shadow: var(--shadow-modal); background-image: linear-gradient(180deg, rgba(16,185,129,0.04), transparent 30%); }

/* POS Cart Toggle (Mobile) */
.pos-cart-toggle {
  display: none; position: fixed; bottom: calc(var(--bottomnav-h) + 10px); left: 50%;
  transform: translateX(-50%); z-index: 55; background: linear-gradient(135deg, var(--accent-green), #059669);
  color: #fff; font-weight: 800; font-size: 0.9rem; padding: 0.7rem 1.5rem;
  border-radius: var(--radius-full); box-shadow: 0 4px 20px var(--accent-green-glow);
  min-height: 48px; align-items: center; gap: 0.6rem;
}
.pos-cart-toggle .cart-count { background: #fff; color: #000; font-weight: 900; min-width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; }

.cart-count-badge { background: var(--accent-green); color: #fff; font-size: 0.78rem; font-weight: 900; min-width: 24px; height: 24px; line-height: 24px; padding: 0 7px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; box-sizing: border-box; white-space: nowrap; flex-shrink: 0; }

/* ============ DATA TABLES ============ */

.table-container { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow-x: auto; box-shadow: var(--shadow-sm); -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; min-width: 720px; border-collapse: separate; border-spacing: 0; }
.data-table th, .data-table td { padding: 0.7rem 0.9rem; text-align: left; border-bottom: 1px solid var(--border-color); font-size: 0.82rem; }
.data-table th { background: linear-gradient(180deg, var(--bg-sidebar), var(--bg-input)); color: var(--text-muted); font-weight: 700; white-space: nowrap; position: sticky; top: 0; z-index: 1; letter-spacing: 0.03em; text-transform: uppercase; font-size: 0.72rem; }
.data-table td { white-space: normal; }
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:hover { background: rgba(16, 185, 129, 0.04); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ============ BADGES ============ */

.badge-status { padding: 4px 10px; border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; display: inline-flex; align-items: center; gap: 5px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.badge-status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.badge-status.active { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); box-shadow: inset 0 0 0 1px rgba(239,68,68,0.25); }
.badge-status.partial { background: rgba(245, 158, 11, 0.15); color: var(--accent-amber); box-shadow: inset 0 0 0 1px rgba(245,158,11,0.25); }
.badge-status.paid { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); box-shadow: inset 0 0 0 1px rgba(16,185,129,0.25); }

/* ============ PAYMENT GATEWAY ============ */

.pay-gateway-box { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.8rem; margin-top: 1.5rem; }
.pay-method-selector { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.pay-method-card { background: var(--bg-sidebar); border: 2px solid var(--border-color); border-radius: var(--radius-md); padding: 1rem; text-align: center; cursor: pointer; transition: all var(--transition-fast); min-height: 44px; }
.pay-method-card:hover, .pay-method-card.active { border-color: var(--accent-cyan); background: rgba(6, 182, 212, 0.1); transform: translateY(-2px); }
.pay-method-card.wave.active { border-color: #00C3F8; background: rgba(0, 195, 248, 0.15); }
.pay-method-card.om.active { border-color: #f97316; background: rgba(249, 115, 22, 0.15); }
.wave-qr-box { background: #ffffff; padding: 1.5rem; border-radius: var(--radius-md); display: inline-block; margin: 1rem 0; box-shadow: 0 10px 25px rgba(0, 195, 248, 0.3); }
.payment-spinner { width: 40px; height: 40px; border: 4px solid rgba(16, 185, 129, 0.2); border-top-color: var(--accent-green); border-radius: 50%; animation: spin 1s infinite linear; margin: 1rem auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ============ MODALS ============ */

.modal-overlay { position: fixed; inset: 0; z-index: 600; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; padding: 1rem; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content { background: var(--bg-modal); border: 1px solid var(--border-color); border-radius: var(--radius-lg); width: 100%; max-width: 550px; max-height: 90vh; overflow-y: auto; padding: 1.5rem; position: relative; box-shadow: var(--shadow-modal); transform: scale(0.95) translateY(10px); opacity: 0; transition: transform 0.25s cubic-bezier(0.4,0,0.2,1), opacity 0.25s ease; }
.modal-overlay.active .modal-content { transform: scale(1) translateY(0); opacity: 1; }
.modal-close-btn { position: absolute; top: 1rem; right: 1rem; color: var(--text-muted); min-width: 44px; min-height: 44px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); z-index: 10; }
.modal-close-btn:hover { background: var(--bg-card-hover); color: var(--accent-red); }

/* ============ TOASTS ============ */

.toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 700; display: flex; flex-direction: column; gap: 0.8rem; }
.toast { background: var(--bg-modal); border: 1px solid var(--accent-green); color: var(--text-main); padding: 0.8rem 1.1rem; border-radius: var(--radius-md); display: flex; align-items: center; gap: 0.6rem; font-size: 0.82rem; box-shadow: 0 10px 25px rgba(0,0,0,0.5); border-left: 4px solid var(--accent-green); animation: toastIn 0.3s cubic-bezier(0.4,0,0.2,1); }
@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* ============ VIEW PANELS ============ */

.view-panel { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ==========================================================================
   RESPONSIVE: LARGE SCREENS (1600px+)
   ========================================================================== */

@media (min-width: 1600px) {
  .main-content { max-width: 1400px; }
}

/* ==========================================================================
   RESPONSIVE: TABLET (max-width: 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
  .sidebar { width: var(--sidebar-w-collapsed); padding: 1rem 0.4rem; }
  .brand-box { display: none; }
  .sidebar-theme-toggle { display: none; }
  .nav-item-btn { justify-content: center; padding: 0.6rem; gap: 0; font-size: 0; }
  .nav-item-btn i { width: 20px; height: 20px; flex-shrink: 0; }
  .nav-item-btn.active { border-left: none; border-bottom: 3px solid var(--accent-green); }
  .main-content { margin-left: var(--sidebar-w-collapsed); }
  .pos-layout { grid-template-columns: 1fr 300px; gap: 1rem; }
}

/* ==========================================================================
   RESPONSIVE: MOBILE (max-width: 768px)
   ========================================================================== */

@media (max-width: 768px) {
  .app-container { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: fixed; bottom: 0; left: 0; right: 0; z-index: 100; flex-direction: row; overflow-x: auto; padding: 0.4rem; border-top: 1px solid var(--border-color); border-right: none; -webkit-overflow-scrolling: touch; }
  .brand-box { display: none; }
  .sidebar-theme-toggle { display: none; }
  .nav-menu { display: flex; gap: 0.3rem; flex-direction: row; width: 100%; justify-content: space-around; }
  .nav-menu li { flex: none; }
  .nav-item-btn { padding: 0.5rem 0.6rem; font-size: 0; white-space: nowrap; border-radius: 8px; flex-direction: column; gap: 0.2rem; min-height: 44px; }
  .nav-item-btn i { width: 20px; height: 20px; }
  .nav-item-btn.active { border-left: none; border-bottom: 2px solid var(--accent-green); }
  .main-content { margin-left: 0; padding: 1rem; padding-bottom: calc(var(--bottomnav-h) + 1rem); }
  .top-header { flex-direction: column; gap: 0.8rem; text-align: center; }
  .top-header h2 { font-size: 1.1rem; }
  .user-profile-box { flex-wrap: wrap; justify-content: center; gap: 0.5rem; padding: 0.5rem 0.8rem; font-size: 0.8rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
  .kpi-card { padding: 0.8rem; }
  .kpi-icon { width: 36px; height: 36px; }
  .kpi-text .val { font-size: 1.1rem; }
  .pos-layout { grid-template-columns: 1fr; }
  .pos-cart-panel { position: fixed; bottom: var(--bottomnav-h); left: 0; right: 0; max-height: 55vh; overflow-y: auto; z-index: 50; background: var(--bg-sidebar); border-top: 2px solid var(--accent-green); padding: 1rem; border-radius: 16px 16px 0 0; transform: translateY(100%); transition: transform var(--transition-normal); box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5); }
  .pos-cart-panel.cart-open { transform: translateY(0); }
  .pos-cart-toggle { display: flex; }
  .pos-cart-toggle.hidden { display: none; }
  .pos-products-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; padding-bottom: 70px; }
  .data-table { font-size: 0.82rem; }
  .data-table th, .data-table td { padding: 0.5rem 0.6rem; }
  .modal-content { width: 95%; max-width: none; max-height: 85vh; padding: 1.2rem; border-radius: var(--radius-md); }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-group { flex-wrap: wrap; }
  .toolbar-group input[type="date"] { flex: 1; min-width: 120px; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
  .reports-grid { grid-template-columns: 1fr; }
  .pay-method-selector { grid-template-columns: 1fr; }
  .toast-container { left: 1rem; right: 1rem; bottom: auto; top: 1rem; }
}

/* ==========================================================================
   RESPONSIVE: SMALL PHONES (max-width: 480px)
   ========================================================================== */

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .pos-products-grid { grid-template-columns: 1fr; }
  .kpi-card { flex-direction: column; text-align: center; gap: 0.5rem; padding: 0.6rem; }
  .kpi-icon { width: 32px; height: 32px; font-size: 0.9rem; }
  .user-profile-box { width: 100%; justify-content: center; }
}