/*
 * Receipter POS Design System
 * Brand Colors: Blue (#1653A3) & Yellow (#FABF01)
 * Principles: Light mode only, high readability, 48px+ tap targets, Somali/East African market friendly.
 */

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

:root {
  /* Brand Color Palette */
  --primary: #1653A3;
  --primary-hover: #103F7E;
  --primary-light: #EBF2FC;
  --accent: #FABF01;
  --accent-hover: #D8A500;
  --accent-light: #FFFBE6;

  /* Semantic State Colors */
  --success: #10B981;
  --success-hover: #059669;
  --success-light: #ECFDF5;
  
  --danger: #EF4444;
  --danger-hover: #DC2626;
  --danger-light: #FEF2F2;

  --warning: #F59E0B;
  --warning-hover: #D97706;
  --warning-light: #FFFBEB;

  --info: #3B82F6;
  --info-hover: #2563EB;
  --info-light: #EFF6FF;

  /* Neutral Palette */
  --white: #FFFFFF;
  --bg-app: #F8FAFC;
  --bg-card: #FFFFFF;
  --border: #E2E8F0;
  --border-focus: #CBD5E1;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  /* Spacing Grid (4px/8px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Elevation (Shadows) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(16, 83, 163, 0.06), 0 4px 6px -4px rgba(16, 83, 163, 0.04);
  --shadow-pos: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  /* Touch / Target Sizes */
  --tap-target: 48px;
  --transition-speed: 0.2s;
}

/* Base Settings */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px; /* Readability first - 16px minimum */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

/* ---------------------------------------------------- */
/* BUTTONS (Min-Height: 48px for Touch Accessibility) */
/* ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--tap-target);
  padding: var(--space-3) var(--space-6);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(22, 83, 163, 0.25);
}

.btn-secondary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(22, 83, 163, 0.1);
}
.btn-secondary:hover {
  background-color: #d7e6f9;
}

.btn-ghost {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid rgba(22, 83, 163, 0.2);
  box-shadow: none;
}
.btn-ghost:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
}

.btn-danger {
  background-color: var(--danger);
  color: var(--white);
}
.btn-danger:hover {
  background-color: var(--danger-hover);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--text-main);
  box-shadow: 0 4px 6px -1px rgba(250, 191, 1, 0.2);
}
.btn-accent:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 6px 14px rgba(250, 191, 1, 0.35);
}

.btn-success {
  background-color: var(--success);
  color: var(--white);
}
.btn-success:hover {
  background-color: var(--success-hover);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ---------------------------------------------------- */
/* INPUTS & FORMS (Min-Height: 48px) */
/* ---------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  min-height: var(--tap-target);
  padding: var(--space-3) var(--space-4);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  color: var(--text-main);
  background-color: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-speed) ease;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(22, 83, 163, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Brand-Consistent Custom Form Controls (Accent Color) */
input[type="checkbox"], input[type="radio"] {
  accent-color: var(--primary);
  width: 20px;
  height: 20px;
  cursor: pointer;
}

/* ---------------------------------------------------- */
/* BADGES AND TAGS */
/* ---------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: rgba(22, 83, 163, 0.15);
}

.badge-accent {
  background-color: var(--accent-light);
  color: #a17b00;
  border-color: rgba(250, 191, 1, 0.3);
}

.badge-success {
  background-color: var(--success-light);
  color: var(--success-hover);
  border-color: rgba(16, 185, 129, 0.2);
}

.badge-danger {
  background-color: var(--danger-light);
  color: var(--danger-hover);
  border-color: rgba(239, 68, 68, 0.2);
}

.badge-warning {
  background-color: var(--warning-light);
  color: var(--warning-hover);
  border-color: rgba(245, 158, 11, 0.2);
}

.badge-gray {
  background-color: #f1f5f9;
  color: var(--text-muted);
  border-color: var(--border);
}

/* ---------------------------------------------------- */
/* CATEGORY TABS (Touch Screen Horizontal Scroll) */
/* ---------------------------------------------------- */
.category-tabs-container {
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-6);
  border-bottom: 2px solid var(--border);
}

.category-tabs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-3);
}

.category-tabs::-webkit-scrollbar {
  height: 4px;
}
.category-tabs::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

.category-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-target);
  padding: 0 var(--space-5);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-speed) ease;
  user-select: none;
}

.category-tab:hover {
  color: var(--primary);
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.category-tab.active {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(22, 83, 163, 0.2);
}

/* ---------------------------------------------------- */
/* POS PRODUCT CARD */
/* ---------------------------------------------------- */
.pos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.pos-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.pos-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(22, 83, 163, 0.2);
}

.pos-card-img-wrapper {
  aspect-ratio: 4/3;
  width: 100%;
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.pos-card-img-placeholder {
  color: var(--primary);
  font-size: 32px;
  font-weight: 700;
  opacity: 0.7;
}

.pos-card-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 2;
}

.pos-card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: var(--space-2);
}

.pos-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.pos-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  min-height: 40px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pos-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-2);
}

.pos-card-price {
  display: flex;
  flex-direction: column;
}

.pos-card-price-main {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
}

.pos-card-price-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------------------------------------------------- */
/* POS ORDER PANEL (CART SIDEBAR) */
/* ---------------------------------------------------- */
.order-panel {
  background-color: var(--bg-card);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pos);
  display: flex;
  flex-direction: column;
  max-width: 450px;
  width: 100%;
  overflow: hidden;
}

.order-panel-header {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.order-panel-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.order-panel-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex-grow: 1;
  min-height: 250px;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: 250px;
  overflow-y: auto;
  padding-right: var(--space-1);
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--border);
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cart-item-name {
  font-size: 16px;
  font-weight: 700;
}

.cart-item-meta {
  font-size: 14px;
  color: var(--text-muted);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.cart-qty-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}
.cart-qty-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.cart-item-qty {
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

.cart-item-price {
  font-weight: 800;
  color: var(--text-main);
  min-width: 70px;
  text-align: right;
}

/* Payment Methods Chips Selector */
.payment-chips-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  display: block;
}

.payment-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.payment-chip {
  min-height: var(--tap-target);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: var(--white);
  transition: all var(--transition-speed) ease;
  user-select: none;
  padding: var(--space-2);
}

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

.payment-chip.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.payment-chip-icon {
  font-size: 16px;
  margin-bottom: 2px;
}

.payment-chip-name {
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.order-panel-footer {
  background-color: var(--bg-app);
  border-top: 1px solid var(--border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.order-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  color: var(--text-muted);
}

.order-total-row.grand-total {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  border-top: 1px solid var(--border);
  padding-top: var(--space-2);
  margin-top: var(--space-1);
}

.order-total-row.grand-total span {
  color: var(--primary);
}

/* ---------------------------------------------------- */
/* SYSTEM DIAGNOSTICS & ROUTES UTILITIES */
/* ---------------------------------------------------- */
.developer-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.dev-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.dev-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-4);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: var(--space-2);
}

.metrics-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.metric-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
}

.metric-label {
  font-weight: 600;
  color: var(--text-muted);
}

.metric-value {
  font-weight: 700;
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
}

.metric-value.connected {
  color: var(--success-hover);
  background-color: var(--success-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Tables catalog listing */
.db-tables-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: 400px;
  overflow-y: auto;
}

.db-table-item {
  background-color: var(--bg-app);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-speed) ease;
}

.db-table-item:hover {
  border-color: var(--primary);
}

.db-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-1);
}

.db-table-name {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
}

.db-table-desc {
  font-size: 14px;
  color: var(--text-muted);
}

.db-table-meta {
  display: flex;
  gap: var(--space-4);
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px dashed var(--border);
  padding-top: var(--space-2);
  margin-top: var(--space-2);
}

.db-table-meta span {
  font-weight: 700;
  color: var(--text-main);
  font-family: 'JetBrains Mono', monospace;
}

/* API Route catalog row styling */
.route-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

.route-row:last-child {
  border-bottom: none;
}

.route-method {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  min-width: 75px;
  text-align: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.method-get {
  background-color: #E0F2FE;
  color: #0369A1;
  border: 1px solid #BAE6FD;
}

.method-post {
  background-color: #F0FDF4;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

.method-put {
  background-color: #FEF3C7;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.method-delete {
  background-color: #FEF2F2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.route-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.route-path {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 15px;
}

.route-desc {
  font-size: 14px;
  color: var(--text-muted);
}

.route-headers {
  display: flex;
  gap: var(--space-1);
  margin-top: 4px;
}

.route-header-badge {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  padding: 1px 6px;
  background-color: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Micro-animations and page layouts */
.header-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.hero-logo-box {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.app-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

.section-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: var(--space-3);
}

.section-title-new {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: -10px;
  margin-bottom: var(--space-5);
}

/* Interactive POS split view layout */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 992px) {
  .pos-layout {
    grid-template-columns: 1fr 400px;
  }
}