/**
 * Security Monitor - Main Stylesheet
 * Design System based on Direct Profi + UI/UX Pro Max recommendations
 * Style: SaaS Dashboard + Real-Time Monitoring
 */

/* ==========================================
   FONT FACES (локальные шрифты)
   ========================================== */

@font-face {
  font-family: 'Bebas Neue Cyrillic';
  src: url('/WOFF/Bebas/BebasNeue-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Bebas Neue Cyrillic';
  src: url('/WOFF/Bebas/BebasNeue-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Bebas Neue Cyrillic';
  src: url('/WOFF/Bebas/BebasNeue-Bold.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/WOFF/OnestRegular1602-hint.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/WOFF/OnestMedium1602-hint.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Onest';
  src: url('/WOFF/OnestBold1602-hint.woff') format('woff');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ==========================================
   CSS VARIABLES (Design Tokens)
   ========================================== */

:root {
  /* Primary Colors */
  --color-primary: #2385e5;
  --color-primary-dark: #1E40AF;
  --color-primary-light: #3984ff;
  --color-gradient: linear-gradient(to top, #2385e5, #3984ff);
  
  /* Status Colors (Real-Time Monitoring) */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #0EA5E9;
  
  /* Neutral Colors */
  --color-bg: #F8FAFC;
  --color-bg-card: #FFFFFF;
  --color-bg-sidebar: #2385e5;
  --color-text: #1E293B;
  --color-text-secondary: #64748B;
  --color-text-muted: #94A3B8;
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  
  /* Spacing (8px base unit - Swiss Modernism) */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows (Dimensional Layering) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 4px 36.6px -10px rgba(0, 0, 0, 0.09);
  --shadow-hover: 0 4px 12px rgba(35, 133, 229, 0.3);
  
  /* Typography */
  --font-heading: 'Bebas Neue Cyrillic', 'Arial Black', sans-serif;
  --font-body: 'Onest', Arial, sans-serif;
  
  /* Animation (Micro-interactions) */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Layout */
  --sidebar-width: 306px;
  --header-height: 81px;
}

/* ==========================================
   BASE STYLES
   ========================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.2;
}

h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }

p {
  margin: 0 0 var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

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

.layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

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

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding-top: 18px;
  z-index: 100;
  overflow-y: auto;
}

.logo-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.logo-block {
  display: flex;
  align-items: center;
  padding: 0 18px 18px 18px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
}

/* Navigation */
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  margin: 6px 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-body);
  font-size: 15px;
  position: relative;
  color: #fff;
}

.menu-item:hover {
  transform: translateX(5px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 12px rgba(255, 255, 255, 0.15);
  margin: 6px 18px 6px 13px;
}

.menu-item.active {
  background: #fff;
  color: var(--color-primary);
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  margin: 6px 18px 6px 13px;
}

.menu-item.active .menu-icon {
  color: var(--color-primary);
}

.menu-icon {
  width: 20px;
  height: 20px;
  margin-right: 11px;
  stroke: currentColor;
  stroke-width: 1.5;
  flex-shrink: 0;
}

.menu-label {
  flex: 1;
  font-size: 15px;
  letter-spacing: 0.3px;
}

.menu-arrow {
  width: 18px;
  height: 18px;
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.menu-item:not(.active):hover .menu-arrow {
  opacity: 1;
}

.menu-item.active .menu-arrow {
  display: none;
}

.menu-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 18px;
}

/* Extension Section */
.extension-section {
  margin-top: auto;
  padding: 18px;
  padding-top: 0;
}

.extension-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 18px 0;
}

.extension-button {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.extension-button:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.main-content {
  flex: 1;
  padding: var(--spacing-lg);
  padding-top: calc(var(--header-height) + var(--spacing-lg));
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ==========================================
   HEADER
   ========================================== */

.main-header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  z-index: 90;
  padding: 0 36px;
}

.main-header-title {
  font-family: var(--font-heading);
  font-size: 26px;
  color: var(--color-text);
  letter-spacing: 1px;
}

.main-header-user {
  display: flex;
  align-items: center;
  gap: 18px;
}

.welcome {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-text);
  letter-spacing: 1px;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-gradient);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-danger {
  background: linear-gradient(to top, #dc3545, #e74c3c);
  color: #fff;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-success {
  background: linear-gradient(to top, #059669, #10B981);
  color: #fff;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn i, .btn svg {
  width: 18px;
  height: 18px;
}

/* ==========================================
   CARDS (Bento Box Style)
   ========================================== */

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: var(--spacing-xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background: var(--color-gradient);
  color: #fff;
  padding: var(--spacing-md) var(--spacing-lg);
  margin: calc(-1 * var(--spacing-xl));
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 0;
}

/* ==========================================
   FORMS (Accessible Design)
   ========================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--color-bg-card);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(35, 133, 229, 0.15);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ==========================================
   TABLES (Data-Dense Dashboard Style)
   ========================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-card);
  font-size: 14px;
}

.table th {
  background: var(--color-gradient);
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

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

.table tr:hover td {
  background: var(--color-bg);
}

/* ==========================================
   STATUS BADGES (Real-Time Monitoring)
   ========================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

.badge-info {
  background: rgba(14, 165, 233, 0.15);
  color: var(--color-info);
}

/* Pulse animation for live status */
.badge-live::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ==========================================
   ALERTS
   ========================================== */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-left: 4px solid var(--color-success);
  color: #065f46;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--color-warning);
  color: #92400e;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-left: 4px solid var(--color-danger);
  color: #991b1b;
}

.alert-info {
  background: rgba(14, 165, 233, 0.1);
  border-left: 4px solid var(--color-info);
  color: #0c4a6e;
}

/* ==========================================
   STATS CARDS (Dashboard KPIs)
   ========================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: transform var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon.primary { background: rgba(35, 133, 229, 0.15); color: var(--color-primary); }
.stat-icon.success { background: rgba(34, 197, 94, 0.15); color: var(--color-success); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.15); color: var(--color-danger); }

.stat-icon i, .stat-icon svg {
  width: 28px;
  height: 28px;
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ==========================================
   TOOL PANEL
   ========================================== */

#tool-panel {
  width: 100%;
  padding: var(--spacing-lg);
}

.tool-container {
  max-width: 1400px;
  margin: 0 auto;
}

.tool-section {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.tool-section-title {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ==========================================
   LOADING STATES
   ========================================== */

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

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

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-text);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-slow);
  z-index: 1100;
}

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

.toast.success { background: var(--color-success); }
.toast.warning { background: var(--color-warning); }
.toast.danger { background: var(--color-danger); }

/* ==========================================
   LOGIN PAGE
   ========================================== */

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gradient);
  padding: var(--spacing-lg);
}

.login-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo i, .login-logo svg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}

.login-title {
  font-family: var(--font-heading);
  font-size: 28px;
  text-align: center;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
}

/* ==========================================
   EMPTY STATES
   ========================================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--color-text-secondary);
}

.empty-state i, .empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-size: 14px;
  max-width: 400px;
  margin: 0 auto;
}

/* ==========================================
   RESPONSIVE (Mobile Overlay)
   ========================================== */

.no-mobile-overlay {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.5em;
  text-align: center;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: var(--spacing-xl);
}

@media (max-width: 1024px) {
  .no-mobile-overlay {
    display: flex;
  }
}

/* ==========================================
   FOCUS STATES (Accessibility)
   ========================================== */

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==========================================
   REDUCED MOTION (Accessibility)
   ========================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  .sidebar,
  .main-header,
  .no-mobile-overlay,
  .btn {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
    padding: 0;
  }
}