/**
 * Additional responsive styles for STW Neo web app
 * Complements the Flutter responsive system with web-specific enhancements
 */

/* ========================================
   Base Styles & Reset
   ======================================== */

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(31, 95, 191, 0.1);
}

html {
  /* Prevent text size adjustment on orientation change */
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  
  /* Smooth scrolling */
  scroll-behavior: smooth;
  
  /* Better font rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: #FFFFFF;
}

/* ========================================
   Responsive Typography
   ======================================== */

/* Mobile (320px - 575px) */
html {
  font-size: 14px;
}

/* Mobile Landscape / Small Tablet (576px - 767px) */
@media (min-width: 576px) {
  html {
    font-size: 15px;
  }
}

/* Tablet (768px - 991px) */
@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

/* Desktop (1200px+) */
@media (min-width: 1200px) {
  html {
    font-size: 17px;
  }
}

/* Large Desktop (1400px+) */
@media (min-width: 1400px) {
  html {
    font-size: 18px;
  }
}

/* ========================================
   Accessibility
   ======================================== */

/* Better focus styles for keyboard navigation */
:focus-visible {
  outline: 2px solid #1F5FBF;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Remove focus outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 12px 20px;
  background-color: #1F5FBF;
  color: white;
  text-decoration: none;
  border-radius: 0 0 8px 0;
}

.skip-to-main:focus {
  left: 0;
  top: 0;
}

/* ========================================
   Loading / Splash Screen
   ======================================== */

#splash {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 16px);
  background: #FFFFFF;
  padding: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #0B2A5B;
  transition: opacity 0.25s ease;
}

#splash img {
  width: clamp(72px, 15vw, 96px);
  height: clamp(72px, 15vw, 96px);
  border-radius: 22px;
  box-shadow: 0 6px 24px rgba(11, 42, 91, 0.12);
  object-fit: cover;
}

#splash .name {
  font-size: clamp(16px, 4vw, 20px);
  font-weight: 700;
  letter-spacing: -0.2px;
  text-align: center;
  margin: 0;
}

#splash .hint {
  font-size: clamp(11px, 2.5vw, 13px);
  color: #5B6B7F;
  text-align: center;
  padding: 0 20px;
  margin: 0;
  max-width: 300px;
}

#splash .spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid #DCE6F5;
  border-top-color: #1F5FBF;
  animation: spin 0.9s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  #splash .spinner {
    animation: none;
    border-top-color: #1F5FBF;
  }
}

/* ========================================
   Responsive Utilities
   ======================================== */

/* Hide on mobile */
.hide-mobile {
  display: none !important;
}

@media (min-width: 768px) {
  .hide-mobile {
    display: block !important;
  }
}

/* Hide on tablet and up */
@media (min-width: 768px) {
  .hide-tablet-up {
    display: none !important;
  }
}

/* Hide on desktop and up */
@media (min-width: 1200px) {
  .hide-desktop-up {
    display: none !important;
  }
}

/* Show only on mobile */
.show-mobile-only {
  display: block !important;
}

@media (min-width: 768px) {
  .show-mobile-only {
    display: none !important;
  }
}

/* ========================================
   Performance Optimizations
   ======================================== */

/* Hardware acceleration for smooth animations */
.hardware-accelerated {
  transform: translateZ(0);
  will-change: transform;
}

/* Image optimization */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Lazy loading hint */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  html {
    font-size: 12pt;
  }
  
  body {
    background: white;
    color: black;
  }
  
  /* Hide non-essential elements */
  header,
  nav,
  .no-print {
    display: none !important;
  }
  
  /* Ensure content fits page */
  * {
    max-width: 100% !important;
  }
  
  /* Page breaks */
  h1, h2, h3 {
    page-break-after: avoid;
  }
  
  /* Links */
  a {
    color: black;
    text-decoration: underline;
  }
  
  a[href]:after {
    content: " (" attr(href) ")";
    font-size: 90%;
  }
}

/* ========================================
   Dark Mode Support (Future Enhancement)
   ======================================== */

@media (prefers-color-scheme: dark) {
  /* Currently the app uses light mode only */
  /* This section is reserved for future dark mode implementation */
}

/* ========================================
   High Contrast Mode
   ======================================== */

@media (prefers-contrast: high) {
  * {
    outline-width: 2px !important;
  }
  
  :focus-visible {
    outline-width: 3px !important;
  }
}

/* ========================================
   Reduced Transparency
   ======================================== */

@media (prefers-reduced-transparency: reduce) {
  * {
    background-color: solid !important;
    backdrop-filter: none !important;
  }
}

/* ========================================
   iOS Safari PWA Installation Banner
   ======================================== */

.ios-install-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999999;
  pointer-events: none;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transform: translateY(105%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.ios-install-banner.ios-banner-visible {
  transform: translateY(0);
  opacity: 1;
}

.ios-banner-card {
  pointer-events: auto;
  max-width: 440px;
  margin: 0 auto;
  background: #FFFFFF;
  border-radius: 20px 20px 0 0;
  box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.16), 0 0 1px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-bottom: none;
  padding: 16px 18px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  box-sizing: border-box;
}

@media (min-width: 480px) {
  .ios-banner-card {
    border-radius: 20px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.95);
    box-shadow: 0 12px 36px rgba(15, 23, 42, 0.2), 0 0 1px rgba(0, 0, 0, 0.12);
  }
}

.ios-banner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 10px;
}

.ios-banner-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ios-banner-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid #E2E8F0;
  background: #FFFFFF;
  object-fit: contain;
  flex-shrink: 0;
}

.ios-banner-titles {
  display: flex;
  flex-direction: column;
}

.ios-banner-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ios-banner-title {
  font-size: 15px;
  font-weight: 700;
  color: #0F172A;
  letter-spacing: -0.2px;
}

.ios-banner-badge {
  font-size: 10px;
  font-weight: 700;
  color: #1F5FBF;
  background: #EBF3FC;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.ios-banner-subtitle {
  margin: 2px 0 0 0;
  font-size: 11.5px;
  color: #64748B;
  line-height: 1.3;
}

.ios-banner-close {
  background: #F1F5F9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748B;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
  padding: 0;
}

.ios-banner-close:hover,
.ios-banner-close:active {
  background: #E2E8F0;
  color: #0F172A;
}

.ios-banner-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 7px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 10px 12px;
}

.ios-banner-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  color: #334155;
  line-height: 1.4;
}

.ios-step-num {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #1F5FBF;
  color: #FFFFFF;
  font-size: 10.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.ios-step-text {
  flex: 1;
}

.ios-step-text strong {
  color: #0F172A;
  font-weight: 600;
}

.ios-share-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 4px;
  padding: 1px 4px;
  margin: 0 2px;
}

.ios-share-icon-wrap svg {
  display: block;
}

.ios-add-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  background: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 4px;
  padding: 0 4px;
  margin: 0 2px;
  font-size: 11px;
  font-weight: bold;
  color: #1F5FBF;
}

.ios-banner-footer {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.ios-banner-gotit-btn {
  width: 100%;
  background: #1F5FBF;
  color: #FFFFFF;
  border: none;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  padding: 9px 0;
  cursor: pointer;
  transition: background 0.2s;
  box-shadow: 0 2px 6px rgba(31, 95, 191, 0.25);
}

.ios-banner-gotit-btn:hover,
.ios-banner-gotit-btn:active {
  background: #174894;
}