/* ==========================================================================
   SISTEMA DE STOCK Y VENTA DE PAPELERIA ESCALABLE
   Elegant Blue & White Premium Design System
   Palette: Blue #007BFF · White #FFFFFF · Silver #C0C0C0
   Typography: Roboto + Roboto Mono
   ========================================================================== */

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

:root {
  /* ── Core Palette ── */
  --blue: #007BFF;
  --blue-dark: #0056CC;
  --blue-deeper: #003D99;
  --blue-light: #4DA3FF;
  --blue-pale: #E8F4FF;
  --blue-wash: #F4F9FF;
  --blue-glass: rgba(0, 123, 255, 0.07);

  --white: #FFFFFF;
  --silver: #C0C0C0;
  --silver-light: #E8E8E8;
  --silver-mist: #F5F5F5;

  /* ── Semantic Colors ── */
  --success: #28A745;
  --success-bg: rgba(40, 167, 69, 0.08);
  --warning: #FFC107;
  --warning-bg: rgba(255, 193, 7, 0.10);
  --danger: #DC3545;
  --danger-bg: rgba(220, 53, 69, 0.08);
  --info: #17A2B8;

  /* ── Text Colors ── */
  --text-primary: #1a2332;
  --text-secondary: #5a6a7e;
  --text-muted: #8e9bb3;
  --text-on-blue: #FFFFFF;

  /* ── Surfaces ── */
  --bg-body: #F0F4F8;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFCFF;
  --bg-sidebar: #FFFFFF;
  --bg-operative: var(--blue);

  /* ── Borders & Shadows ── */
  --border: #E2E8F0;
  --border-blue: rgba(0, 123, 255, 0.25);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10);
  --shadow-blue: 0 4px 20px rgba(0, 123, 255, 0.15);
  --shadow-blue-glow: 0 0 25px rgba(0, 123, 255, 0.25);

  /* ── Geometry ── */
  --sidebar-width: 268px;
  --header-height: 68px;
  --radius-xl: 20px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --radius-pill: 50px;

  /* ── Motion ── */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.28s var(--ease);
  --transition-fast: all 0.15s var(--ease);
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Roboto', 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--silver);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--blue-light);
}

/* ==========================================================================
   APP LAYOUT
   ========================================================================== */

#app {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* ==========================================================================
   SIDEBAR — ADMINISTRADOR (LEFT PANEL)
   White Background · Blue Borders · Soft Shadows
   ========================================================================== */

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1.1rem;
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.04);
  z-index: 100;
  position: relative;
  overflow-y: auto;
}

/* Elegant Blue Accent Line */
.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--blue), var(--blue-light), transparent);
}

/* ── Brand ── */
.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0.6rem;
  margin-bottom: 2rem;
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  box-shadow: var(--shadow-blue);
  flex-shrink: 0;
}

.brand-info h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.brand-info span {
  font-size: 0.7rem;
  color: var(--blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ── Nav Section Label ── */
.nav-section-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--text-muted);
}

.nav-section-label i {
  font-size: 0.75rem;
  color: var(--blue);
}

/* ── Navigation List ── */
.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.nav-item button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 0.9rem;
  background: transparent;
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  position: relative;
}

.nav-item button:hover {
  background: var(--blue-glass);
  color: var(--blue);
  border-color: var(--border-blue);
}

.nav-item.active button {
  background: var(--blue-pale);
  border-color: var(--blue);
  color: var(--blue);
  font-weight: 600;
  box-shadow: var(--shadow-blue);
}

.nav-item button i {
  font-size: 1.1rem;
  width: 22px;
  text-align: center;
  color: var(--silver);
  transition: var(--transition);
}

.nav-item:hover button i,
.nav-item.active button i {
  color: var(--blue);
}

/* ── Sidebar Footer — Role Badge ── */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.role-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.85rem;
  background: var(--blue-wash);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.role-badge:hover {
  box-shadow: var(--shadow-blue);
}

.role-badge .role-info {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.role-badge .role-info i {
  font-size: 1.4rem;
  color: var(--blue);
}

.role-pill {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-pill.admin {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
}

.role-pill.cajero {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

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

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-body);
}

/* ==========================================================================
   TOP HEADER BAR
   ========================================================================== */

.top-header {
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.1rem;
  box-shadow: var(--shadow-sm);
  z-index: 90;
  gap: 0.6rem;
  overflow: hidden;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.page-title {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.page-title i {
  color: var(--blue);
  font-size: 0.95rem;
}

/* ── Header Right — Button Rail ── */
.header-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  justify-content: flex-end;
  overflow: hidden;
  min-width: 0;
}

/* ── Individual Header Buttons ── */
.hdr-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 0.3rem;
  padding: 0.32rem 0.6rem !important;
  font-size: 0.75rem !important;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  border-radius: var(--radius-pill) !important;
  line-height: 1;
  border: 1.5px solid var(--border-blue);
  background: var(--white);
  color: var(--blue);
  cursor: pointer;
  transition: var(--transition);
}

.hdr-btn:hover {
  background: var(--blue-pale);
  border-color: var(--blue);
  box-shadow: 0 2px 10px rgba(0,123,255,0.2);
  transform: translateY(-1px);
}

.hdr-btn i {
  font-size: 0.78rem;
  flex-shrink: 0;
}

.hdr-label {
  display: inline;
}

/* ── Vertical Dividers Between Groups ── */
.hdr-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 0.15rem;
  opacity: 0.7;
}

/* ── Status Pills — Hardware Indicators ── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.6rem;
  background: var(--blue-wash);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--blue);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Clock Pill — Monospace ── */
.hdr-clock {
  font-family: 'Roboto Mono', monospace;
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--blue-pale), var(--blue-wash));
  border-color: var(--blue);
  color: var(--blue-dark);
  min-width: 72px;
  justify-content: center;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 4px var(--success); }
  50% { box-shadow: 0 0 12px var(--success); }
}

.status-dot.offline {
  background: var(--danger);
  box-shadow: 0 0 6px var(--danger);
}

/* ==========================================================================
   BUTTONS — Rounded with Luminous Hover
   ========================================================================== */

.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--blue-wash);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-icon:hover {
  background: var(--blue-pale);
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: var(--shadow-blue-glow);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  border: none;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 123, 255, 0.35);
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-deeper));
}

.btn-secondary {
  background: var(--white);
  color: var(--blue);
  border: 1.5px solid var(--border-blue);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--blue-pale);
  border-color: var(--blue);
  box-shadow: var(--shadow-blue);
  transform: translateY(-1px);
}

.btn-accent-green {
  background: linear-gradient(135deg, var(--success), #1e8e3e);
  color: var(--white);
  border: none;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.25);
}

.btn-accent-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(220, 53, 69, 0.25);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}

.btn-danger:hover {
  background: rgba(220, 53, 69, 0.15);
  box-shadow: 0 0 15px rgba(220, 53, 69, 0.15);
}

/* ==========================================================================
   CONTENT AREA & TAB VIEWS
   ========================================================================== */

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  position: relative;
}

.tab-view {
  display: none;
  height: 100%;
  animation: fadeSlideUp 0.35s var(--ease) forwards;
}

.tab-view.active {
  display: block;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   MODULE 1 — POS / CAJA (PUNTO DE VENTA)
   ========================================================================== */

.pos-container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 1.25rem;
  height: calc(100vh - var(--header-height) - 2.5rem);
}

.pos-left {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  overflow: hidden;
  height: 100%;
}

/* ── Barcode Scanner Input — Blue Light Effect ── */
.pos-search-bar {
  background: var(--white);
  border: 1.5px solid var(--border-blue);
  border-radius: var(--radius-xl);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  flex-shrink: 0;
}

.pos-search-bar:focus-within {
  border-color: var(--blue);
  box-shadow: var(--shadow-blue-glow);
}

.barcode-input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.barcode-input-wrapper i.scanner-icon {
  position: absolute;
  left: 1rem;
  font-size: 1.15rem;
  color: var(--blue);
  animation: scannerPulse 2.5s ease-in-out infinite;
}

@keyframes scannerPulse {
  0%, 100% { opacity: 0.5; filter: drop-shadow(0 0 2px transparent); }
  50% { opacity: 1; filter: drop-shadow(0 0 8px rgba(0, 123, 255, 0.6)); color: var(--blue-dark); }
}

.barcode-input-wrapper input {
  width: 100%;
  background: var(--blue-wash);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 3rem;
  color: var(--text-primary);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.95rem;
  font-weight: 500;
  outline: none;
  transition: var(--transition);
}

.barcode-input-wrapper input:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
}

.barcode-input-wrapper input::placeholder {
  color: var(--text-muted);
  font-family: 'Roboto', sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
}

/* ── Category Filter Pills ── */
.category-pills {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.15rem;
  flex-shrink: 0;
}

.cat-pill {
  padding: 0.4rem 0.85rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.cat-pill:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-glass);
}

.cat-pill.active {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-color: transparent;
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.cat-pill i { font-size: 0.75rem; }

/* ── Quick Service Shortcuts ── */
.quick-services-bar {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
  gap: 0.5rem;
  flex-shrink: 0;
}

.service-btn {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.55rem 0.65rem;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.service-btn i {
  font-size: 1.1rem;
  color: var(--blue);
}

.service-btn span.name {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-primary);
}

.service-btn span.price {
  font-size: 0.72rem;
  color: var(--success);
  font-weight: 700;
  font-family: 'Roboto Mono', monospace;
}

.service-btn:hover {
  border-color: var(--blue);
  background: var(--blue-glass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

/* ═══════════════════════════════════════════════════════════════════
   PRODUCT GRID & CARDS (OPTIMIZED & FULL VISIBILITY)
   ═══════════════════════════════════════════════════════════════════ */

.pos-products-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  align-content: start;
  gap: 0.85rem;
  padding-right: 0.3rem;
  padding-bottom: 0.5rem;
}

.product-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.85rem 0.75rem;
  min-height: 145px; /* Ensures card never squishes or hides content */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-blue);
}

.product-card:hover::after {
  opacity: 1;
}

/* Badges */
.product-card .card-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  z-index: 2;
}

.badge-promo {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  box-shadow: 0 2px 6px rgba(0, 123, 255, 0.3);
}

.badge-low {
  background: #FFF3CD;
  color: #856404;
  border: 1px solid #FFEBAA;
}

.product-icon {
  font-size: 1.6rem;
  text-align: center;
  margin: 0.2rem 0 0.4rem 0;
  color: var(--blue);
}

.product-title {
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary); /* Super dark readable text */
  margin-bottom: 0.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-code {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-family: 'Roboto Mono', monospace;
  margin-bottom: 0.4rem;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
}

.product-price {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blue);
  font-family: 'Roboto Mono', monospace;
}

.product-stock {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   POS RIGHT PANEL — OPERATIVE / CASHIER PANEL
   Blue Background · White Text · Glow Effect
   ========================================================================== */

.pos-cart-panel {
  background: linear-gradient(180deg, var(--blue), var(--blue-dark));
  border: none;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-blue-glow);
  position: relative;
}

/* Subtle Shine Effect on Cart Panel */
.pos-cart-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cart-header {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1;
}

.cart-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-header h2 i {
  color: rgba(255, 255, 255, 0.9) !important;
}

.cart-items-count {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  color: var(--white);
  font-size: 0.73rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ── Cart Items ── */
.cart-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}

.cart-empty-state {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  gap: 0.6rem;
  text-align: center;
  padding: 2rem;
}

.cart-empty-state i {
  font-size: 2.5rem;
  opacity: 0.3;
}

.cart-empty-state p {
  color: rgba(255, 255, 255, 0.6);
}

.cart-empty-state span {
  color: rgba(255, 255, 255, 0.4) !important;
}

.cart-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  transition: var(--transition);
}

.cart-item:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.25);
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-title {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--white);
}

.cart-item-promo-note {
  font-size: 0.68rem;
  color: var(--warning);
  font-weight: 600;
}

.cart-item-price {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  font-family: 'Roboto Mono', monospace;
}

/* ── Quantity Controls ── */
.qty-controls {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.qty-btn {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.72rem;
  transition: var(--transition-fast);
}

.qty-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.qty-val {
  font-size: 0.82rem;
  font-weight: 700;
  width: 22px;
  text-align: center;
  font-family: 'Roboto Mono', monospace;
  color: var(--white);
}

.cart-item-total {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  font-family: 'Roboto Mono', monospace;
  min-width: 52px;
  text-align: right;
}

.btn-remove-item {
  color: rgba(255, 255, 255, 0.4);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 3px;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.btn-remove-item:hover {
  color: #ff8a8a;
}

/* ── Cart Summary ── */
.cart-summary {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.9rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  z-index: 1;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.summary-row.discount {
  color: var(--warning);
}

.summary-row.total {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 0.5rem;
  margin-top: 0.15rem;
}

.summary-row.total span.val {
  color: var(--white);
  font-family: 'Roboto Mono', monospace;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* ── Hardware Action Buttons ── */
.hardware-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.btn-hw-drawer {
  background: rgba(255, 193, 7, 0.2);
  border: 1px solid rgba(255, 193, 7, 0.4);
  color: var(--warning);
  padding: 0.55rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.78rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: var(--transition);
}

.btn-hw-drawer:hover {
  background: rgba(255, 193, 7, 0.3);
  box-shadow: 0 0 15px rgba(255, 193, 7, 0.25);
}

.btn-checkout {
  width: 100%;
  padding: 0.85rem;
  background: var(--white);
  color: var(--blue);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  margin-top: 0.5rem;
}

.btn-checkout:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
  background: #f0f0f0;
}

.btn-checkout:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   MODULE 2 — INVENTORY
   ========================================================================== */

.inventory-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.15rem;
  background: var(--white);
  padding: 0.9rem 1.15rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.inventory-filters {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  flex: 1;
}

.search-input-box {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.search-input-box i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.search-input-box input {
  width: 100%;
  background: var(--blue-wash);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem 0.55rem 2.3rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

.search-input-box input:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.select-custom {
  background: var(--blue-wash);
  border: 1.5px solid var(--border);
  color: var(--text-primary);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.select-custom:focus {
  border-color: var(--blue);
}

/* ── Data Tables ── */
.table-responsive {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--blue-wash);
  padding: 0.85rem 1.15rem;
  font-weight: 700;
  color: var(--blue-dark);
  border-bottom: 2px solid var(--border-blue);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.6px;
}

.data-table td {
  padding: 0.8rem 1.15rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--blue-glass);
}

.badge-stock {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
}

.badge-stock.ok {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(40, 167, 69, 0.25);
}

.badge-stock.low {
  background: var(--warning-bg);
  color: #856404;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-stock.out {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(220, 53, 69, 0.25);
}

/* ==========================================================================
   MODULE 3 — PROMOTIONS
   ========================================================================== */

.promos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.15rem;
}

.promo-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.promo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--blue), var(--blue-light));
}

.promo-card:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.promo-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.promo-tag {
  background: var(--blue-pale);
  color: var(--blue);
  border: 1px solid var(--border-blue);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.promo-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 0.25rem;
  color: var(--text-primary);
}

.promo-desc {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.promo-discount-badge {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--blue);
  font-family: 'Roboto Mono', monospace;
}

/* ==========================================================================
   MODULE 4 — DASHBOARD & REPORTS
   ========================================================================== */

.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.stats-cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.15rem;
}

.stat-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.stat-card:hover::after { opacity: 1; }

.stat-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.stat-icon-wrapper.indigo {
  background: var(--blue-pale);
  color: var(--blue);
}

.stat-icon-wrapper.cyan {
  background: rgba(23, 162, 184, 0.1);
  color: var(--info);
}

.stat-icon-wrapper.green {
  background: var(--success-bg);
  color: var(--success);
}

.stat-icon-wrapper.amber {
  background: var(--warning-bg);
  color: #856404;
}

.stat-content label {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: block;
  font-weight: 500;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: 'Roboto Mono', monospace;
  color: var(--text-primary);
  margin-top: 0.1rem;
}

.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.15rem;
}

.chart-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.chart-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-primary);
}

.chart-card h3 i {
  color: var(--blue);
}

.chart-wrapper {
  position: relative;
  height: 280px;
  width: 100%;
}

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(26, 35, 50, 0.5);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.modal-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.35s var(--ease);
}

@keyframes modalSlideIn {
  from { transform: translateY(30px) scale(0.97); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
  padding: 1.15rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--blue-wash);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--blue-dark);
}

.modal-body {
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.modal-footer {
  padding: 0.9rem 1.15rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

/* ── Forms ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
  background: var(--blue-wash);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.85rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
  background: var(--white);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* ── Payment Modal ── */
.payment-summary-box {
  background: linear-gradient(135deg, var(--blue-pale), var(--blue-wash));
  border: 1.5px solid var(--border-blue);
  border-radius: var(--radius-lg);
  padding: 1rem;
  text-align: center;
}

.payment-summary-box span.total-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.payment-summary-box h2.total-amount {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--blue);
  font-family: 'Roboto Mono', monospace;
}

.change-display {
  background: var(--success-bg);
  border: 1.5px solid rgba(40, 167, 69, 0.25);
  border-radius: var(--radius-lg);
  padding: 0.8rem;
  text-align: center;
}

.change-display span {
  font-size: 0.78rem;
  color: var(--success);
  font-weight: 600;
}

.change-display h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--success);
  font-family: 'Roboto Mono', monospace;
}

/* ==========================================================================
   PRINT STYLES (PDF & Thermal Ticket Printing)
   ========================================================================== */

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  body * {
    visibility: hidden;
  }

  /* Thermal Ticket Printing */
  #printableTicket, #printableTicket * {
    visibility: visible !important;
  }

  #printableTicket {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 80mm !important;
    font-family: 'Courier New', monospace !important;
    font-size: 12px !important;
    color: #000000 !important;
    background: #ffffff !important;
    padding: 2mm !important;
  }

  /* Quotation & Document PDF Printing */
  #quotePrintModal,
  #quotePrintModal *,
  #printableQuoteContainer,
  #printableQuoteContainer * {
    visibility: visible !important;
  }

  #quotePrintModal {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    height: auto !important;
    background: #ffffff !important;
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
    border: none !important;
    backdrop-filter: none !important;
  }

  #quotePrintModal .modal-card {
    box-shadow: none !important;
    border: none !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    background: #ffffff !important;
  }

  #quotePrintModal .modal-header,
  #quotePrintModal .modal-footer {
    display: none !important;
  }

  #printableQuoteContainer {
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
}

.ticket-wrapper {
  background: white;
  color: black;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
  padding: 1.15rem;
  border-radius: var(--radius-md);
  width: 300px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.ticket-header {
  text-align: center;
  border-bottom: 1px dashed #000;
  padding-bottom: 0.65rem;
  margin-bottom: 0.65rem;
}

.ticket-header h2 {
  font-size: 1.05rem;
  font-weight: 800;
}

.ticket-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.65rem;
}

.ticket-table td { padding: 3px 0; }

.ticket-footer {
  text-align: center;
  border-top: 1px dashed #000;
  padding-top: 0.65rem;
  font-size: 0.72rem;
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue);
  color: var(--text-primary);
  padding: 0.8rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 280px;
  font-size: 0.88rem;
  animation: toastIn 0.35s var(--ease) forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.success i { color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.warning i { color: #856404; }
.toast.danger { border-left-color: var(--danger); }
.toast.danger i { color: var(--danger); }
.toast i { color: var(--blue); }

@keyframes toastIn {
  from { transform: translateX(100%) scale(0.95); opacity: 0; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

/* ==========================================================================
   USER MANAGEMENT & TECHNOLOGICAL LOGIN SYSTEM
   Modern, Futuristic, Elegant: Blue #007BFF · White #FFFFFF · Silver #C0C0C0
   ========================================================================== */

/* ── Cyber-Tech Login Modal ── */
.login-tech-card {
  border-radius: 24px !important;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 123, 255, 0.22), 0 0 0 1.5px rgba(0, 123, 255, 0.3) !important;
  background: #FFFFFF !important;
  animation: techSlideUp 0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes techSlideUp {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-header-glow {
  background: linear-gradient(135deg, #007BFF 0%, #0056CC 60%, #003D99 100%);
  padding: 1.8rem 1.5rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
  color: #FFFFFF;
  border-bottom: 2px solid rgba(255, 255, 255, 0.15);
}

.login-header-glow::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #FFFFFF, transparent);
  opacity: 0.7;
}

.login-tech-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 0.75rem auto;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #FFFFFF;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.35);
  animation: pulseGlow 3s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 12px rgba(255, 255, 255, 0.25); transform: scale(1); }
  100% { box-shadow: 0 0 24px rgba(255, 255, 255, 0.55); transform: scale(1.04); }
}

.login-header-glow h3 {
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.login-header-glow .subtitle {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.login-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: rgba(255, 255, 255, 0.75);
  background: rgba(0,0,0,0.15);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
}
.login-close-btn:hover {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

.login-info-banner {
  background: linear-gradient(135deg, #E8F4FF, #F4F9FF);
  border: 1px solid rgba(0, 123, 255, 0.25);
  color: #0056CC;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
}

.login-error-alert {
  background: #FFF0F1;
  border: 1.5px solid #FFC7CC;
  color: #DC3545;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: shakeAlert 0.35s ease;
}

@keyframes shakeAlert {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* Inputs with Icons */
.input-with-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-with-icon-wrapper .input-icon {
  position: absolute;
  left: 1rem;
  color: var(--blue);
  font-size: 0.95rem;
  pointer-events: none;
}

.tech-input {
  width: 100%;
  padding: 0.85rem 2.75rem 0.85rem 2.6rem !important;
  background: #F8FAFC !important;
  border: 1.5px solid #E2E8F0 !important;
  border-radius: 12px !important;
  font-size: 0.92rem !important;
  font-family: inherit;
  color: var(--text-primary);
  transition: all 0.22s ease !important;
}

.tech-input:focus {
  background: #FFFFFF !important;
  border-color: #007BFF !important;
  box-shadow: 0 0 0 3.5px rgba(0, 123, 255, 0.18) !important;
  outline: none;
}

.btn-pass-toggle {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: #8e9bb3;
  cursor: pointer;
  padding: 0.4rem;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}
.btn-pass-toggle:hover { color: var(--blue); }

/* Glowing Action Button */
.btn-login-glow {
  background: linear-gradient(135deg, #007BFF 0%, #0056CC 100%);
  color: #FFFFFF;
  border: none;
  padding: 0.95rem 1.5rem;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 18px rgba(0, 123, 255, 0.35);
  margin-top: 0.25rem;
  position: relative;
  overflow: hidden;
}

.btn-login-glow::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: rotate(30deg);
}

.btn-login-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(0, 123, 255, 0.55), 0 0 15px rgba(0, 123, 255, 0.4);
  background: linear-gradient(135deg, #1A8CFF 0%, #0066EE 100%);
}
.btn-login-glow:hover::before { opacity: 1; }

.btn-login-glow:active {
  transform: translateY(0);
}

/* Quick Access Demo Bar */
.login-quick-access {
  background: #F8FAFC;
  border: 1.5px dashed #CBD5E1;
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  margin-top: 0.25rem;
}

.login-quick-access .quick-title {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  color: #5a6a7e;
  margin-bottom: 0.45rem;
}

.quick-buttons-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}

.btn-quick-user {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 0.45rem 0.3rem;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  cursor: pointer;
  transition: all 0.18s ease;
}
.btn-quick-user.admin { color: #007BFF; border-color: rgba(0,123,255,0.3); }
.btn-quick-user.cashier { color: #28A745; border-color: rgba(40,167,69,0.3); }

.btn-quick-user:hover {
  background: var(--blue-pale);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ── User Cards Grid View ── */
.user-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.15rem;
}

.user-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 1.25rem;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.user-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 123, 255, 0.12);
  border-color: rgba(0, 123, 255, 0.35);
}

.user-card.admin-theme {
  border-top: 4px solid #007BFF;
}

.user-card.cashier-theme {
  border-top: 4px solid #28A745;
}

.user-card.is-inactive {
  opacity: 0.65;
  background: #FAFAFA;
  border-top-color: #C0C0C0;
}

.current-user-tag {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: linear-gradient(135deg, #007BFF, #0056CC);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 50px;
  box-shadow: 0 2px 6px rgba(0,123,255,0.3);
  letter-spacing: 0.4px;
}

.user-card-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.95rem;
}

.user-avatar-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.user-avatar-circle.admin { background: linear-gradient(135deg, #007BFF, #0056CC); }
.user-avatar-circle.cashier { background: linear-gradient(135deg, #28A745, #1e8e3e); }

.user-header-info {
  overflow: hidden;
}

.user-full-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: #1a2332;
  margin-bottom: 2px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.user-username {
  font-size: 0.78rem;
  color: #5a6a7e;
  font-family: 'Roboto Mono', monospace;
  font-weight: 600;
}

.user-card-meta {
  background: #F8FAFC;
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
  font-size: 0.78rem;
}

.user-card-meta .meta-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-card-meta .label {
  color: #64748B;
  font-weight: 500;
}

.user-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
}
.user-role-badge.admin {
  background: var(--blue-pale);
  color: var(--blue-dark);
  border: 1px solid var(--border-blue);
}
.user-role-badge.cashier {
  background: #EAF8EE;
  color: #1e8e3e;
  border: 1px solid rgba(40,167,69,0.3);
}

.user-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 50px;
}
.user-status-badge.active { background: #EAF8EE; color: #1e8e3e; }
.user-status-badge.inactive { background: #F8D7DA; color: #DC3545; }

.user-card-actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.btn-user-action {
  flex: 1;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.btn-user-action.edit {
  background: var(--blue-pale);
  color: var(--blue);
  border-color: var(--border-blue);
}
.btn-user-action.edit:hover {
  background: var(--blue);
  color: #fff;
}

.btn-user-action.perms {
  background: #FFF3CD;
  color: #856404;
  border-color: rgba(255,193,7,0.4);
}
.btn-user-action.perms:hover {
  background: #FFC107;
  color: #000;
}

.btn-user-action.toggle {
  flex: 0 0 34px;
  background: #F1F5F9;
  color: #64748B;
  border-color: #CBD5E1;
}
.btn-user-action.toggle:hover {
  background: #334155;
  color: #fff;
}

.btn-user-action.delete {
  flex: 0 0 34px;
  background: #FFF0F1;
  color: #DC3545;
  border-color: rgba(220,53,69,0.3);
}
.btn-user-action.delete:hover {
  background: #DC3545;
  color: #fff;
}

/* ── Privileges Matrix Cards ── */
.privileges-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.65rem;
  max-height: 380px;
  overflow-y: auto;
  padding-right: 4px;
}

.privilege-checkbox-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.18s ease;
  position: relative;
  user-select: none;
}

.privilege-checkbox-card input[type="checkbox"] {
  display: none;
}

.privilege-checkbox-card:hover {
  border-color: rgba(0, 123, 255, 0.4);
  background: #F8FAFC;
}

.privilege-checkbox-card.active {
  background: linear-gradient(135deg, #F4F9FF, #E8F4FF);
  border-color: #007BFF;
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.12);
}

.privilege-checkbox-card .perm-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #F1F5F9;
  color: #64748B;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: all 0.18s ease;
}

.privilege-checkbox-card.active .perm-icon {
  background: #007BFF;
  color: #FFFFFF;
}

.privilege-checkbox-card .perm-details {
  flex: 1;
}
.privilege-checkbox-card .perm-details strong {
  display: block;
  font-size: 0.82rem;
  color: #1a2332;
  line-height: 1.2;
}
.privilege-checkbox-card .perm-details span {
  display: block;
  font-size: 0.7rem;
  color: #64748B;
  margin-top: 2px;
}

.privilege-checkbox-card .perm-check-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: transparent;
  flex-shrink: 0;
  transition: all 0.18s ease;
}

.privilege-checkbox-card.active .perm-check-mark {
  background: #007BFF;
  border-color: #007BFF;
  color: #FFFFFF;
}

/* Status Table Pills */
.user-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 50px;
}
.user-status-pill.act { background: #EAF8EE; color: #1e8e3e; }
.user-status-pill.inact { background: #F8D7DA; color: #DC3545; }

.row-inactive {
  opacity: 0.55;
  background: #FAFAFA;
}

/* ==========================================================================
   RESPONSIVE & TABLET ADAPTATION
   ========================================================================== */

/* Pantallas grandes — textos completos visibles */
@media (max-width: 1380px) {
  .page-title { font-size: 0.92rem; }
  .hdr-btn { padding: 0.3rem 0.5rem !important; font-size: 0.72rem !important; gap: 0.25rem; }
}

/* Laptops medianas — ocultar labels, dejar solo iconos con tooltip */
@media (max-width: 1200px) {
  .user-cards-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .hdr-label { display: none; }
  .hdr-btn { padding: 0.32rem 0.45rem !important; gap: 0; }
  .hdr-divider { margin: 0 0.08rem; }
  .status-pill .hdr-label { display: none; }
  .status-pill { padding: 0.3rem 0.45rem; gap: 0.25rem; }
  .page-title { font-size: 0.88rem; }
}

@media (max-width: 1024px) {
  .pos-container { grid-template-columns: 1fr; height: auto; }
  .charts-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  #app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; flex-direction: row; padding: 0.75rem; }
  .sidebar::before { display: none; }
  .brand-info h1 { font-size: 1rem; }
  .nav-list { flex-direction: row; overflow-x: auto; }
  .sidebar-footer { display: none; }
  .main-wrapper { height: auto; overflow: visible; }
  .top-header { padding: 0.45rem 0.75rem; height: auto; flex-wrap: wrap; gap: 0.4rem; }
  .header-left { width: 100%; }
  .header-right { width: 100%; justify-content: flex-start; overflow-x: auto; gap: 0.25rem; }
  .hdr-label { display: inline; }
  .status-pill .hdr-label { display: inline; }
  .privileges-list-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   EXCEL & CSV DROPZONE & IMPORT MODAL
   ========================================================================== */
.excel-dropzone {
  border: 2px dashed #93C5FD;
  background: #F0F7FF;
  border-radius: 14px;
  padding: 1.8rem 1.2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.excel-dropzone:hover {
  border-color: #007BFF;
  background: #E8F4FF;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 123, 255, 0.12);
}

.excel-dropzone.dragover {
  border-color: #16A34A;
  background: #DCFCE7;
  transform: scale(1.01);
}

.excel-dropzone .dropzone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.excel-dropzone .dropzone-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #DCFCE7;
  color: #15803D;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 10px rgba(22, 163, 74, 0.15);
}

.excel-dropzone .dropzone-text h4 {
  margin: 0 0 0.35rem 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1E293B;
}

.excel-dropzone .dropzone-text p {
  margin: 0;
  font-size: 0.8rem;
  color: #64748B;
}

.dropzone-file-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 500px;
  background: #FFFFFF;
  border: 1.5px solid #86EFAC;
  padding: 0.75rem 1.1rem;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.1);
}

#importInventoryModal .modal-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 90vh;
}

#importInventoryModal .modal-body {
  overflow-y: auto;
  flex: 1;
}

/* Section breakdown pills in inventory */
.section-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.9rem;
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-radius: 20px;
  font-size: 0.82rem;
  color: #334155;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.section-pill:hover {
  background: #EFF6FF;
  border-color: #93C5FD;
  color: #1D4ED8;
}

.section-pill.active {
  background: #007BFF;
  border-color: #0056CC;
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(0, 123, 255, 0.25);
}

.section-pill.active strong {
  color: #FFFFFF;
}

.section-pill strong {
  color: #007BFF;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.8rem;
}