/* ============================================
   SAVKA MONITORING - Modern Design System
   Inspired by Tesla, Apple, Microsoft
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Color Palette - Dark Theme */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-strong: rgba(255, 255, 255, 0.1);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --text-muted: rgba(255, 255, 255, 0.3);
  
  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --accent-glow: rgba(99, 102, 241, 0.4);
  
  /* Status Colors */
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.3);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.3);
  --info: #3b82f6;
  --info-glow: rgba(59, 130, 246, 0.3);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.15);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(0, 0, 0, 0.02);
  --bg-card-hover: rgba(0, 0, 0, 0.04);
  --bg-glass: rgba(255, 255, 255, 0.8);
  --bg-glass-strong: rgba(255, 255, 255, 0.9);
  
  --text-primary: #0f172a;
  --text-secondary: rgba(15, 23, 42, 0.7);
  --text-tertiary: rgba(15, 23, 42, 0.5);
  --text-muted: rgba(15, 23, 42, 0.3);
  
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-medium: rgba(0, 0, 0, 0.1);
  --border-strong: rgba(0, 0, 0, 0.15);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.16);
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
.bg-animated {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--bg-primary);
  overflow: hidden;
}

.bg-animated::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 40% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 40%);
  animation: bgShift 20s ease-in-out infinite;
}

@keyframes bgShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(-5%, 5%) rotate(2deg); }
  66% { transform: translate(5%, -5%) rotate(-2deg); }
}

/* Grid Lines Effect */
.grid-lines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-image: 
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  opacity: 0.5;
}

/* ============================================
   MODERN NAVBAR
   ============================================ */
.modern-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  z-index: var(--z-fixed);
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-base);
}

.modern-navbar.scrolled {
  background: var(--bg-glass-strong);
  box-shadow: var(--shadow-md);
}

.navbar-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.navbar-menu,
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::before,
.nav-link.active::before {
  opacity: 0.1;
}

.nav-link.active {
  background: var(--bg-glass-strong);
}

.nav-link i {
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.nav-link span {
  position: relative;
  z-index: 1;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-glass);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.user-name {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-primary);
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  position: relative;
}

.menu-toggle span {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 21px; }
.menu-toggle span:nth-child(3) { top: 28px; }

.menu-toggle.active span:nth-child(1) {
  top: 21px;
  transform: translateX(-50%) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  top: 21px;
  transform: translateX(-50%) rotate(-45deg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

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

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-glass-strong);
  border-color: var(--border-strong);
}

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

.btn-outline:hover {
  background: var(--bg-glass);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
  box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
  box-shadow: 0 4px 15px var(--success-glow);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Button Loading State */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card:hover::before {
  opacity: 1;
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Glass Card */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

/* Stat Cards */
.stat-card {
  position: relative;
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: var(--accent-gradient);
  opacity: 0.05;
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.stat-card-icon,
.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.stat-card-icon.temperature,
.stat-icon.temperature {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.05));
  color: #ef4444;
}

.stat-card-icon.humidity,
.stat-icon.humidity {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
  color: #3b82f6;
}

.stat-card-icon.pressure,
.stat-icon.pressure {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
  color: #10b981;
}

.stat-card-icon.weight,
.stat-icon.weight {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.05));
  color: #a855f7;
}

.stat-card-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-xs) 0;
}

.stat-card-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

.stat-card-unit {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin: var(--space-xs) 0 0 0;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.stat-value .unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-left: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
}

.stat-trend.up {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-trend.down {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-family);
  transition: var(--transition-fast);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card-hover);
}

.form-input:hover:not(:focus) {
  border-color: var(--border-strong);
}

/* Select Styling */
.form-select {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-family);
  transition: var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 18px;
  padding-right: 3rem;
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--space-sm);
}

/* Native select and input styling */
select,
input[type="date"],
input[type="datetime-local"],
input[type="time"] {
  color-scheme: dark;
}

/* Filter Card & Grid */
.filter-card {
  margin-bottom: var(--space-xl);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  align-items: end;
}

@media (max-width: 992px) {
  .filter-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .filter-grid {
    grid-template-columns: 1fr;
  }
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
  appearance: none;
}

.form-check-input:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.form-check-input:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: 700;
}

.form-check-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  user-select: none;
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.modern-table {
  width: 100%;
  border-collapse: collapse;
}

.modern-table thead {
  background: var(--bg-glass);
}

.modern-table th {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.modern-table td {
  padding: var(--space-md) var(--space-lg);
  font-size: 0.9rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
}

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

.modern-table tbody tr:hover {
  background: var(--bg-card-hover);
}

.modern-table tbody tr:last-child td {
  border-bottom: none;
}

/* Table Header */
.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
}

.table-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.export-buttons {
  display: flex;
  gap: var(--space-sm);
}

.modern-table-wrapper {
  overflow-x: auto;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow), 0 0 60px var(--accent-glow); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.5s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fade-in-down { animation: fadeInDown 0.6s ease-out forwards; }
.animate-slide-left { animation: slideInLeft 0.5s ease-out forwards; }
.animate-slide-right { animation: slideInRight 0.5s ease-out forwards; }
.animate-scale-in { animation: scaleIn 0.4s ease-out forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-glow { animation: glow 2s ease-in-out infinite; }

/* Stagger Animation Delays */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================
   NOTIFICATIONS & TOASTS
   ============================================ */
.toast-container,
#toast-container {
  position: fixed;
  top: 90px;
  right: var(--space-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(20, 20, 30, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.toast-message {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.toast-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.toast-close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* ============================================
   CHARTS STYLING
   ============================================ */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (max-width: 992px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

.chart-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  opacity: 1 !important;
  visibility: visible !important;
}

.chart-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.05);
}

.filter-card {
  opacity: 1 !important;
  visibility: visible !important;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.chart-card-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.chart-card-title i {
  font-size: 1.1rem;
}

.chart-card .chart-container {
  position: relative;
  height: 280px;
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: none;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
}

.chart-card .chart-container canvas {
  max-height: 100% !important;
  width: 100% !important;
  height: 100% !important;
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  min-height: 300px;
}

/* Chart canvas visibility fix */
canvas {
  display: block;
  background: transparent;
  opacity: 1 !important;
  visibility: visible !important;
}

.chart-card canvas,
.chart-container canvas {
  opacity: 1 !important;
  visibility: visible !important;
}

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

.chart-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chart-legend {
  display: flex;
  gap: var(--space-md);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
  .navbar-container {
    padding: 0 var(--space-lg);
  }
  
  .user-name {
    display: none;
  }
}

@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-sm);
    transform: translateX(-100%);
    transition: var(--transition-base);
    z-index: var(--z-fixed);
  }
  
  .navbar-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    justify-content: flex-start;
  }
  
  .navbar-actions {
    display: none;
  }
  
  .navbar-menu.active + .navbar-actions {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    justify-content: space-between;
    z-index: var(--z-fixed);
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }
  
  .modern-navbar {
    height: 64px;
  }
  
  .navbar-nav {
    gap: 2px;
  }
  
  .nav-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
  }
  
  .nav-link span {
    display: none;
  }
  
  .navbar-user .user-name {
    display: none;
  }
  
  .navbar-menu {
    top: 64px;
  }
  
  .stat-value,
  .stat-card-value {
    font-size: 2rem;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .modern-table th,
  .modern-table td {
    padding: var(--space-sm) var(--space-md);
  }
  
  .toast-container {
    left: var(--space-md);
    right: var(--space-md);
    bottom: var(--space-md);
  }
  
  .toast {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .brand-text {
    font-size: 1rem;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
  }
  
  .stat-card {
    padding: var(--space-lg);
  }
  
  .stat-value {
    font-size: 1.75rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-4 { margin-top: 1.5rem; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-4 { margin-bottom: 1.5rem; }

.pt-xl { padding-top: var(--space-xl); }
.pt-2xl { padding-top: var(--space-2xl); }
.pt-3xl { padding-top: var(--space-3xl); }
.pb-xl { padding-bottom: var(--space-xl); }
.pb-2xl { padding-bottom: var(--space-2xl); }

.hidden { display: none; }
.visible { display: block; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Page content spacing for fixed navbar */
.page-content,
.page-container {
  padding-top: calc(72px + var(--space-2xl));
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
  padding-bottom: var(--space-2xl);
  min-height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: var(--space-xl);
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm) 0;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page-content,
  .page-container {
    padding-top: calc(64px + var(--space-xl));
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  
  .page-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   EGG PAGE SPECIFIC STYLES
   ============================================ */
.visualization-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (max-width: 992px) {
  .visualization-container {
    grid-template-columns: 1fr;
  }
}

.viz-main {
  min-height: 400px;
}

.canvas-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

#canvas-container {
  flex: 1;
  min-height: 350px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.playback-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

.time-slider {
  flex: 1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  appearance: none;
  cursor: pointer;
}

.time-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.time-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.1);
}

.slider-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.viz-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sensors-card h4,
.battery-card h4 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-lg) 0;
}

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

.sensor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.sensor-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.temp-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--space-xs) 0;
}

.sensor-unit {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.battery-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.battery-bar {
  flex: 1;
  height: 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.battery-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  transition: width 0.5s ease;
}

.battery-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 45px;
  text-align: right;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   SETTINGS PAGE STYLES
   ============================================ */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.settings-card {
  display: flex;
  flex-direction: column;
}

.settings-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.settings-card-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.settings-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.settings-card-body {
  flex: 1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 576px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}