/**
 * ═══════════════════════════════════════════════════════════════════════════════
 * DMAGH.AI Platform - PWA Styles
 * Mobile-first responsive styles with native-like experience
 * ═══════════════════════════════════════════════════════════════════════════════
 */

/* ═══════════════════════════════════════════════════════════════════════════════
   CSS CUSTOM PROPERTIES
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
  /* Colors */
  --primary: #f97316;
  --primary-light: #fb923c;
  --primary-dark: #ea580c;
  --secondary: #8b5cf6;
  --secondary-light: #a78bfa;
  --accent: #06b6d4;
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Backgrounds */
  --bg-dark: #0f0f1a;
  --bg-darker: #0a0a12;
  --bg-card: rgba(26, 26, 46, 0.95);
  --bg-hover: rgba(249, 115, 22, 0.1);
  --bg-overlay: rgba(0, 0, 0, 0.8);
  
  /* Text */
  --text: #f0f0f5;
  --text-dim: #8892b0;
  --text-muted: #606080;
  
  /* Borders */
  --border: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(249, 115, 22, 0.3);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(249, 115, 22, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Safe areas (iOS) */
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
  
  /* Dynamic viewport */
  --vh: 1vh;
  --vw: 1vw;
  
  /* Navigation */
  --nav-height: 60px;
  --bottom-nav-height: 70px;
  --sidebar-width: 280px;
}

/* Dark theme by default */
@media (prefers-color-scheme: light) {
  :root {
    /* Keep dark theme even in light mode preference */
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   BASE STYLES
   ═══════════════════════════════════════════════════════════════════════════════ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1030 50%, #0a1a2e 100%);
  color: var(--text);
  min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
  overflow-x: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(249, 115, 22, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   PWA INSTALL TOAST - Compact, non-invasive prompt
   ═══════════════════════════════════════════════════════════════════════════════ */

#pwa-install-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  left: auto;
  max-width: 320px;
  z-index: 9999;
  animation: pwaSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
}

#pwa-install-banner.hiding {
  animation: pwaSlideOut 0.3s ease forwards;
}

@keyframes pwaSlideIn {
  from { opacity: 0; transform: translateX(100%) scale(0.8); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes pwaSlideOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(100%) scale(0.8); }
}

.pwa-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(15, 15, 26, 0.95), rgba(20, 20, 35, 0.98));
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset,
    0 0 20px rgba(249, 115, 22, 0.15);
  backdrop-filter: blur(20px);
}

.pwa-banner img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
}

.pwa-banner-content {
  flex: 1;
  min-width: 0;
}

.pwa-banner-content strong {
  display: block;
  font-size: 0.9rem;
  color: #f97316;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pwa-banner-content span {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

.pwa-install-btn {
  padding: 8px 16px;
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.pwa-install-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
}

.pwa-close-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: rgba(239, 68, 68, 0.9);
  border: 2px solid rgba(15, 15, 26, 0.9);
  border-radius: 50%;
  color: white;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  line-height: 1;
}

.pwa-close-btn:hover {
  background: #ef4444;
  transform: scale(1.1);
}

/* Mobile: Position above bottom nav */
@media (max-width: 768px) {
  #pwa-install-banner {
    bottom: calc(var(--sab, 0px) + 80px);
    right: 16px;
    left: 16px;
    max-width: none;
  }
  
  .pwa-banner {
    padding: 10px 14px;
  }
  
  .pwa-banner img {
    width: 36px;
    height: 36px;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   iOS INSTALL MODAL
   ═══════════════════════════════════════════════════════════════════════════════ */

.ios-install-modal {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  animation: fadeIn 0.3s ease;
}

.ios-install-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 400px;
  text-align: center;
}

.ios-install-content h3 {
  margin-bottom: var(--space-md);
  color: var(--primary);
}

.ios-install-content ol {
  text-align: left;
  padding-left: var(--space-xl);
  margin: var(--space-lg) 0;
}

.ios-install-content li {
  margin: var(--space-md) 0;
}

.ios-install-content .icon {
  font-family: 'SF Pro Display', -apple-system, sans-serif;
}

.ios-install-content button {
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   OFFLINE INDICATOR
   ═══════════════════════════════════════════════════════════════════════════════ */

#offline-indicator {
  position: fixed;
  top: calc(var(--sat) + var(--space-sm));
  left: 50%;
  transform: translateX(-50%);
  background: var(--warning);
  color: var(--bg-dark);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: slideDown 0.3s ease;
}

#offline-indicator span:last-child {
  font-size: 0.7rem;
  font-weight: normal;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   BOTTOM NAVIGATION (Mobile)
   ═══════════════════════════════════════════════════════════════════════════════ */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--bottom-nav-height) + var(--sab));
  padding-bottom: var(--sab);
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: none;
  z-index: 100;
}

@media (max-width: 768px) {
  .bottom-nav {
    display: flex;
  }
  
  .sidebar {
    display: none !important;
  }
  
  .main {
    margin-left: 0 !important;
    padding-bottom: calc(var(--bottom-nav-height) + var(--sab) + var(--space-md)) !important;
  }
}

.bottom-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  height: var(--bottom-nav-height);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  color: var(--text-dim);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
}

.bottom-nav-item.active {
  color: var(--primary);
}

.bottom-nav-item .icon {
  font-size: 1.5rem;
  margin-bottom: 2px;
}

.bottom-nav-item .label {
  font-size: 0.65rem;
  font-weight: 500;
}

.bottom-nav-item .badge {
  position: absolute;
  top: 2px;
  right: 50%;
  transform: translateX(14px);
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--danger);
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Haptic-like feedback */
.bottom-nav-item:active {
  transform: scale(0.95);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   TOOL NAVIGATION (Swipeable)
   ═══════════════════════════════════════════════════════════════════════════════ */

.tool-switcher {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tool-switcher::-webkit-scrollbar {
  display: none;
}

.tool-chip {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tool-chip:hover,
.tool-chip.active {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary);
}

.tool-chip .icon {
  font-size: 1.1rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   NOTIFICATION PREFERENCES
   ═══════════════════════════════════════════════════════════════════════════════ */

.notification-preferences {
  padding: var(--space-lg);
}

.notification-preferences h3 {
  margin-bottom: var(--space-lg);
  color: var(--primary);
}

.notification-preferences h4 {
  margin: var(--space-lg) 0 var(--space-md);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.pref-section {
  margin-bottom: var(--space-xl);
}

.pref-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  cursor: pointer;
}

.pref-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.pref-item .icon {
  font-size: 1.2rem;
}

.pref-time-range {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding-left: 36px;
}

.pref-time-range input[type="time"] {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-darker);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════════ */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translate(-50%, -20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(249, 115, 22, 0.5); }
  50% { box-shadow: 0 0 20px rgba(249, 115, 22, 0.8); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Tablet */
@media (min-width: 768px) and (max-width: 1024px) {
  .sidebar {
    width: 80px;
  }
  
  .sidebar .logo-text,
  .sidebar .nav-item span:not(.icon),
  .sidebar .nav-section h3,
  .sidebar .user-info .user-groups {
    display: none;
  }
  
  .sidebar .nav-item {
    justify-content: center;
    padding: var(--space-md);
  }
  
  .sidebar .nav-item .icon {
    font-size: 1.3rem;
  }
  
  .main {
    margin-left: 80px;
  }
}

/* Desktop */
@media (min-width: 1025px) {
  .bottom-nav {
    display: none !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   ACCESSIBILITY
   ═══════════════════════════════════════════════════════════════════════════════ */

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

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   SAFE AREA / NOTCH HANDLING
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Safe area is handled per-component (.sidebar, .header, .main, .bottom-tab-bar)
   to avoid double-padding conflicts with page-specific inline styles */

/* Main app container */
.app {
  padding-top: env(safe-area-inset-top, 0px);
  padding-top: constant(safe-area-inset-top, 0px);
}

/* Header with notch support */
.header,
.app-header,
.top-header,
.page-header {
  padding-top: calc(env(safe-area-inset-top, 0px) + 1rem);
  padding-top: calc(constant(safe-area-inset-top, 0px) + 1rem);
  padding-left: calc(env(safe-area-inset-left, 0px) + 1rem);
  padding-right: calc(env(safe-area-inset-right, 0px) + 1rem);
}

/* Sidebar notch handling */
.sidebar {
  padding-top: env(safe-area-inset-top, 0px);
  padding-top: constant(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-left: constant(safe-area-inset-left, 0px);
}

.sidebar-header {
  padding-top: calc(env(safe-area-inset-top, 0px) + 1.5rem);
  padding-top: calc(constant(safe-area-inset-top, 0px) + 1.5rem);
}

/* Main content area with safe areas */
.main {
  padding-top: calc(env(safe-area-inset-top, 0px) + 2rem);
  padding-top: calc(constant(safe-area-inset-top, 0px) + 2rem);
  padding-left: calc(env(safe-area-inset-left, 0px) + 1rem);
  padding-right: calc(env(safe-area-inset-right, 0px) + 1rem);
}

/* Mobile specific - stronger safe area handling */
@media (max-width: 768px) {
  html {
    padding: 0;
  }
  
  body {
    padding-top: env(safe-area-inset-top, 0px);
    padding-top: constant(safe-area-inset-top, 0px);
  }
  
  .app {
    padding-top: 0;
  }
  
  .main {
    padding-top: calc(env(safe-area-inset-top, 0px) + 1rem);
    padding-top: calc(constant(safe-area-inset-top, 0px) + 1rem);
    margin-left: 0 !important;
  }
  
  .header,
  .app-header,
  .top-header,
  .page-header,
  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding-top: calc(env(safe-area-inset-top, 0px) + 0.75rem);
    padding-top: calc(constant(safe-area-inset-top, 0px) + 0.75rem);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    margin: 0;
    margin-bottom: 1rem;
  }
  
  /* Fixed elements need safe area offset */
  .fixed-top,
  [style*="position: fixed"][style*="top: 0"],
  .toast-container,
  .notification-bar {
    top: env(safe-area-inset-top, 0px) !important;
    top: constant(safe-area-inset-top, 0px) !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   STANDALONE MODE ADJUSTMENTS
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (display-mode: standalone) {
  /* PWA standalone mode - full notch handling */
  body {
    padding-top: 0;
  }
  
  .app {
    padding-top: env(safe-area-inset-top, 0px);
  }
  
  .header,
  .app-header {
    padding-top: calc(env(safe-area-inset-top, 0px) + 1rem);
    background: rgba(15, 15, 26, 0.98);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .sidebar {
    top: 0;
    padding-top: env(safe-area-inset-top, 0px);
  }
  
  .sidebar-header {
    padding-top: calc(env(safe-area-inset-top, 0px) + 1rem);
  }
}

/* iOS Standalone specific */
@media (display-mode: standalone) and (max-width: 768px) {
  .main {
    padding-top: calc(env(safe-area-inset-top, 0px) + 0.5rem);
  }
  
  .header {
    min-height: calc(env(safe-area-inset-top, 0px) + 60px);
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.75rem;
  }
}

/* Window Controls Overlay (Desktop PWA) */
@media (display-mode: window-controls-overlay) {
  .app-header {
    padding-left: env(titlebar-area-x, 0);
    padding-right: calc(100% - env(titlebar-area-width, 100%) - env(titlebar-area-x, 0));
    height: env(titlebar-area-height, 33px);
    -webkit-app-region: drag;
    app-region: drag;
  }
  
  .app-header button,
  .app-header a {
    -webkit-app-region: no-drag;
    app-region: no-drag;
  }
}