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

/* ========================================================
   VARIABLES AND THEMING (SLEEK INTERFACE ACCENTS)
   ======================================================== */
:root {
  /* Core Brand Colors */
  --primary-color: #0F4C81;          /* Premium Navy Brand */
  --secondary-color: #0099FF;        /* Sleek Blue Accent */
  --accent-color: #00C2A8;           /* Cyan Indicator */
  --danger-color: #EF4444;           /* Coral Danger */
  --warning-color: #F59E0B;          /* Warm Amber */
  --success-color: #10B981;          /* Emerald Success */
  
  /* Light Theme Variables (Clean, High-Contrast Slate) */
  --bg-color: #F8FAFC;               /* Clean slate-50 canvas */
  --card-bg: #FFFFFF;                /* Pure white cards */
  --text-primary: #0F172A;           /* Slate-900 primary body */
  --text-secondary: #475569;         /* Slate-600 secondary context */
  --text-muted: #64748B;             /* Slate-500 muted text */
  --border-color: #E2E8F0;           /* Slate-200 border */
  --border-focus: #0F4C81;           /* Navy focus border */
  
  /* Left Sidebar holds its dark sleek identity even in light mode for luxury contrast */
  --sidebar-bg: #0F172A;             /* Slate-900 dark sidebar */
  --sidebar-text: #F1F5F9;           /* Slate-100 sidebar labels */
  --sidebar-active-bg: #0F4C81;      /* Active Navy link block */
  
  /* Shadows & Elevations */
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.1);
  
  /* Glassmorphism Accents */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(226, 232, 240, 0.8);
  --glass-blur: 16px;
  
  /* Sizing Constants */
  --radius-card: 16px;               /* Sleek modern rounded curves */
  --radius-button: 12px;             /* Rounded-xl responsive pads */
  --sidebar-width: 256px;            /* standard 64 grid width */
  --navbar-height: 64px;             /* Clean h-16 navbar */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables (Immersive Obsidian/Deep Slate) */
[data-theme="dark"] {
  --bg-color: #090D16;               /* Ultra deep midnight black */
  --card-bg: #141C2F;                /* Rich navy-slate panels */
  --text-primary: #F8FAFC;           /* Off-white readable text */
  --text-secondary: #94A3B8;         /* Cool slate-400 */
  --text-muted: #64748B;             /* Slate-500 */
  --border-color: #1E293B;           /* Slate-800 borders */
  --border-focus: #0099FF;           /* Glowing blue focus */
  --sidebar-bg: #0B0F19;             /* Obsidian pitch sidebar */
  --sidebar-text: #F8FAFC;
  --sidebar-active-bg: rgba(0, 153, 255, 0.15);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 16px -4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
  --glass-bg: rgba(20, 28, 47, 0.8);
  --glass-border: rgba(255, 255, 255, 0.05);
}

/* ========================================================
   RESET AND BASE STYLES
   ======================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* ========================================================
   SCROLLBAR STYLES (SLEEK & MINIMAL)
   ======================================================== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ========================================================
   UTILITY CLASSES
   ======================================================== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.grid { display: grid; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.m-0 { margin: 0; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-mono { font-family: 'Fira Code', monospace; }

/* Badges & Status */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-primary { background: rgba(15, 76, 129, 0.1); color: var(--primary-color); }
.badge-secondary { background: rgba(0, 153, 255, 0.1); color: var(--secondary-color); }
.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius-button);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-color);
  color: #FFFFFF;
  box-shadow: 0 4px 14px 0 rgba(15, 76, 129, 0.25);
}
.btn-primary:hover {
  background: #0d416e;
  box-shadow: 0 6px 20px 0 rgba(15, 76, 129, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary-color);
  color: #FFFFFF;
  box-shadow: 0 4px 14px 0 rgba(0, 153, 255, 0.2);
}
.btn-secondary:hover {
  background: #0088ee;
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--accent-color);
  color: #FFFFFF;
}
.btn-accent:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--danger-color);
  color: #FFFFFF;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
}
.btn-icon:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* Glassmorphism Card Style */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-card);
}

/* Modern Card */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  padding: 1.5rem;
}
.card:hover {
  box-shadow: var(--shadow-md);
}

/* ========================================================
   LOGIN PAGE STYLES (SLEEK GLOW & LUXURY DARK BLEND)
   ======================================================== */
.login-body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #020617 0%, #0F172A 50%, #1E1B4B 100%);
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
}

.login-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: 1;
  opacity: 0.35;
  animation: pulseGlow 14s ease-in-out infinite alternate;
}
.glow-1 {
  background: var(--primary-color);
  width: 500px;
  height: 500px;
  top: -10%;
  left: -10%;
}
.glow-2 {
  background: var(--secondary-color);
  width: 450px;
  height: 450px;
  bottom: -5%;
  right: -5%;
  animation-delay: -7s;
}
.glow-3 {
  background: var(--accent-color);
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -3.5s;
  opacity: 0.2;
}

@keyframes pulseGlow {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.1) translate(20px, -15px); }
  100% { transform: scale(0.95) translate(-10px, 20px); }
}

.login-container {
  width: 100%;
  max-width: 460px;
  z-index: 10;
  perspective: 1200px;
}

.login-card {
  padding: 2.5rem;
  border-radius: var(--radius-card);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}
.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.login-logo h1 {
  font-size: 2rem;
  color: #FFFFFF;
}
.login-logo span {
  color: var(--secondary-color);
}
.login-tagline {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Modern Inputs with Floating labels */
.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-button);
  color: #FFFFFF;
  transition: all var(--transition-fast);
  font-size: 0.9375rem;
}
[data-theme="light"] .form-control {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="light"] .form-control:focus {
  background: #FFFFFF;
}

.input-icon-right {
  position: absolute;
  right: 12px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}
.input-icon-right:hover {
  color: #FFFFFF;
}

.login-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.forgot-password-link {
  color: var(--secondary-color);
  font-weight: 500;
  transition: opacity var(--transition-fast);
}
.forgot-password-link:hover {
  text-decoration: underline;
}

/* demo credentials quick fill panel */
.demo-accounts {
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-button);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.demo-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}
.demo-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.725rem;
  text-align: left;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #E2E8F0;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}
.demo-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--secondary-color);
}
.demo-role {
  font-weight: 600;
  color: var(--accent-color);
}
.demo-email {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Flip animations for forgot password */
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.login-container.show-forgot .flip-card-inner {
  transform: rotateY(180deg);
}
.card-front, .card-back {
  position: relative;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.card-back {
  position: absolute;
  top: 0;
  left: 0;
  transform: rotateY(180deg);
}

/* ========================================================
   ERP LAYOUT STRUCTURE
   ======================================================== */
.erp-container {
  display: flex;
  min-height: 100vh;
}

/* Left Sidebar styling (Sleek Dark Identity) */
.erp-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  z-index: 100;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-header {
  height: var(--navbar-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sidebar-logo h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}
.sidebar-logo span {
  color: var(--secondary-color);
}

.sidebar-menu {
  flex-grow: 1;
  padding: 1.5rem 0.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.menu-category {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.35);
  padding: 0.875rem 0.75rem 0.375rem 0.75rem;
  font-weight: 700;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-button);
  transition: all var(--transition-fast);
}
.menu-item:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.06);
}
.menu-item.active {
  background: var(--sidebar-active-bg);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px 0 rgba(15, 76, 129, 0.25);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.15);
}
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  border: 2px solid rgba(255, 255, 255, 0.1);
}
.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main content structure */
.erp-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Navbar styling */
.erp-navbar {
  height: var(--navbar-height);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  transition: background-color var(--transition-normal);
  z-index: 90;
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.navbar-search {
  position: relative;
  width: 320px;
}
.navbar-search input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-radius: var(--radius-button);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}
.navbar-search input:focus {
  border-color: var(--border-focus);
  background: var(--card-bg);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.1);
}
.navbar-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.9rem;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Badge overlay for notification count */
.notification-badge-wrapper {
  position: relative;
}
.notification-count {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--danger-color);
  color: #FFFFFF;
  font-size: 0.625rem;
  font-weight: 700;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--card-bg);
}

/* Main View Body */
.view-body {
  flex-grow: 1;
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ========================================================
   DASHBOARD CARDS & STATS
   ======================================================== */
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.view-title h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  letter-spacing: -0.03em;
}
.view-title p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
}
.stat-trend {
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.trend-up { color: var(--success-color); }
.trend-down { color: var(--danger-color); }

.stat-icon {
  background: var(--bg-color);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.15rem;
}
.stat-card-primary .stat-icon { background: rgba(15, 76, 129, 0.1); color: var(--primary-color); }
.stat-card-secondary .stat-icon { background: rgba(0, 153, 255, 0.1); color: var(--secondary-color); }
.stat-card-accent .stat-icon { background: rgba(0, 194, 168, 0.1); color: var(--accent-color); }
.stat-card-danger .stat-icon { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }

/* Dashboard Columns (Chart + Activities) */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.chart-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chart-container {
  height: 280px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1.5rem 0.5rem 0.5rem 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

/* Pure CSS Bar Chart visualization */
.bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  height: 100%;
  justify-content: flex-end;
  gap: 0.5rem;
}
.bar-column {
  width: 32px;
  background: var(--primary-color);
  border-radius: 6px 6px 0 0;
  transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.bar-column:hover {
  background: var(--secondary-color);
}
.bar-value {
  position: absolute;
  top: -24px;
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}
.bar-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Activity Feed component */
.activity-card {
  display: flex;
  flex-direction: column;
}
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.activity-item {
  display: flex;
  gap: 1rem;
  position: relative;
}
.activity-item::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: -20px;
  width: 2px;
  background: var(--border-color);
}
.activity-item:last-child::before {
  display: none;
}
.activity-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
  font-size: 0.9rem;
}
.activity-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.activity-text {
  font-size: 0.85rem;
  color: var(--text-primary);
}
.activity-text strong {
  font-weight: 600;
}
.activity-time {
  font-size: 0.725rem;
  color: var(--text-muted);
}

/* ========================================================
   CRM KANBAN PIPELINE
   ======================================================== */
.kanban-view {
  overflow-x: auto;
  flex-grow: 1;
}
.kanban-board {
  display: flex;
  gap: 1rem;
  padding-bottom: 1rem;
  min-height: calc(100vh - 300px);
}
.kanban-column {
  flex-shrink: 0;
  width: 280px;
  background: rgba(226, 232, 240, 0.4);
  border-radius: var(--radius-card);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px dashed transparent;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
[data-theme="dark"] .kanban-column {
  background: rgba(30, 41, 59, 0.4);
}
.kanban-column.drag-over {
  border-color: var(--secondary-color);
  background: rgba(0, 153, 255, 0.05);
}

.kanban-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
}
.kanban-column-title {
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.kanban-card-count {
  font-size: 0.7rem;
  background: var(--border-color);
  color: var(--text-secondary);
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  font-weight: 700;
}

.kanban-column-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 200px;
}

.kanban-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  cursor: grab;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.kanban-card:active {
  cursor: grabbing;
}
.kanban-card.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}
.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--text-muted);
}
.kanban-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.kanban-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.kanban-card-destination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary-color);
  font-weight: 500;
}
[data-theme="dark"] .kanban-card-destination {
  color: var(--secondary-color);
}
.kanban-card-assignee {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--border-color);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
}

/* ========================================================
   TABLES AND LIST VIEWS
   ======================================================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
  background: var(--card-bg);
}
.erp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}
.erp-table th {
  background: var(--bg-color);
  padding: 1rem 1.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.725rem;
  letter-spacing: 0.05em;
}
.erp-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}
.erp-table tr:last-child td {
  border-bottom: none;
}
.erp-table tr:hover td {
  background: rgba(0, 153, 255, 0.02);
}

.table-row-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Filter controls on list views */
.filters-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  background: var(--card-bg);
  padding: 1rem;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
}
.filter-control {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-button);
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  font-size: 0.825rem;
}

/* ========================================================
   MODALS AND DIALOGS
   ======================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  width: 100%;
  max-width: 650px;
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}
.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.modal-body {
  padding: 2rem;
  max-height: calc(100vh - 250px);
  overflow-y: auto;
}

.modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  background: var(--bg-color);
}

/* Modal Form Layout grids */
.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

/* ========================================================
   SPECIAL COMPONENTS (CALENDAR, TIMELINE, FLOATING ACTION BUTTON)
   ======================================================== */
/* Custom full calendar container */
.calendar-container {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
}
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--border-color);
}
.calendar-weekday {
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-right: 1px solid var(--border-color);
}
.calendar-weekday:last-child {
  border-right: none;
}
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
.calendar-day {
  min-height: 110px;
  padding: 0.5rem;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  transition: background-color var(--transition-fast);
}
.calendar-day:nth-child(7n) {
  border-right: none;
}
.calendar-day-number {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: inline-block;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
}
.calendar-day.today .calendar-day-number {
  background: var(--secondary-color);
  color: #FFFFFF;
  border-radius: 50%;
}
.calendar-day.other-month {
  opacity: 0.4;
}
.calendar-day:hover {
  background: rgba(0, 153, 255, 0.02);
}
.calendar-events {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.calendar-event {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

/* Floating action button style */
.fab-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
}
.fab-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--secondary-color);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(0, 153, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  font-size: 1.5rem;
}
.fab-btn:hover {
  background: var(--primary-color);
  transform: rotate(90deg);
  box-shadow: 0 6px 20px rgba(15, 76, 129, 0.5);
}

/* Dynamic toast notifications */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2000;
}
.toast {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--secondary-color);
  display: flex;
  align-items: center;
  gap: 1rem;
  transform: translateX(120%);
  transition: transform var(--transition-normal);
  min-width: 300px;
}
.toast.active {
  transform: translateX(0);
}
.toast-success { border-left-color: var(--success-color); }
.toast-danger { border-left-color: var(--danger-color); }
.toast-warning { border-left-color: var(--warning-color); }

/* Timeline component */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}
.timeline-item {
  position: relative;
}
.timeline-dot {
  position: absolute;
  left: -19px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary-color);
  border: 2px solid var(--card-bg);
}
.timeline-content {
  background: var(--bg-color);
  border-radius: var(--radius-button);
  padding: 1rem;
}
.timeline-time {
  font-size: 0.725rem;
  color: var(--text-muted);
}
.timeline-title {
  font-weight: 600;
  font-size: 0.85rem;
  margin: 0.25rem 0;
}

/* Skeleton loader effect */
.skeleton {
  background: linear-gradient(90deg, var(--border-color) 25%, var(--bg-color) 50%, var(--border-color) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: 4px;
}
@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================================
   RESPONSIVE DESIGN SYSTEM
   ======================================================== */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .erp-container {
    flex-direction: column;
  }
  .erp-sidebar {
    width: 100%;
    height: auto;
  }
  .sidebar-menu {
    flex-direction: row;
    overflow-x: auto;
    padding: 0.5rem;
  }
  .menu-category {
    display: none;
  }
  .menu-item {
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .erp-navbar {
    padding: 0 1rem;
  }
  .navbar-search {
    width: 180px;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Custom GST, PDF quotation preview classes */
.pdf-preview {
  background: #FFFFFF;
  color: #1E293B;
  padding: 2.5rem;
  font-family: 'Inter', sans-serif;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--border-color);
}
.pdf-header {
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}
.pdf-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
}
.pdf-table th {
  background: var(--primary-color);
  color: #FFFFFF;
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
}
.pdf-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #E2E8F0;
  font-size: 0.85rem;
}
.pdf-totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.9rem;
}

/* =========================================================================
   THE SKY SAVER — Enhanced mobile responsiveness (v2)
   ========================================================================= */
@media (max-width: 768px) {
  html, body { max-width: 100%; overflow-x: hidden; }

  /* Sidebar becomes a compact top bar */
  .erp-sidebar { position: sticky; top: 0; z-index: 900; }
  .sidebar-header { padding: 0.6rem 1rem; }
  .sidebar-menu { gap: 0.25rem; -webkit-overflow-scrolling: touch; }
  .sidebar-footer { display: none; }

  /* Navbar: allow wrapping, shrink controls so nothing overflows the screen */
  .erp-navbar {
    flex-wrap: wrap;
    height: auto;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    position: sticky; top: 0; z-index: 850;
  }
  .navbar-left { flex: 1 1 100%; order: 2; }
  .navbar-right { flex: 1 1 100%; order: 1; justify-content: space-between; gap: 0.4rem; }
  .navbar-search { width: 100% !important; }
  .navbar-search input { width: 100%; }
  #quick-add-btn span { font-size: 0.8rem; }
  #logout-btn { padding: 0.35rem 0.6rem !important; }

  /* Content padding + stat cards single column */
  .view-body { padding: 1rem !important; }
  .stats-grid { grid-template-columns: 1fr !important; }
  .dashboard-grid { grid-template-columns: 1fr !important; }
  .form-grid-2, .form-grid-3 { grid-template-columns: 1fr !important; }

  /* Any wide table scrolls horizontally instead of breaking the layout */
  .view-body table,
  .modal-body table {
    display: block;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  /* Kanban board scrolls sideways on small screens */
  .kanban-board { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Modals fill the screen comfortably */
  .modal-card {
    width: 94vw !important;
    max-width: 94vw !important;
    max-height: 88vh;
    overflow-y: auto;
  }

  /* Floating action button clear of the bottom bar */
  .fab-container { bottom: 1rem; right: 1rem; }

  /* Login card fits phone width */
  .login-container { width: 92vw; max-width: 420px; }
  .login-card { padding: 1.5rem 1.25rem; }
  .demo-grid { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .sidebar-logo h2, .login-logo h1 { font-size: 1.1rem; }
  .navbar-right { flex-wrap: wrap; }
  .btn { font-size: 0.85rem; }
}