/* ==============================================================================
   HabitFlow — Core Design System Tokens & Base Components
   Professional SaaS Specification (Strict No-Emoji Design)
   Supports: Dark Mode, Light Mode, System Mode & 6 Accent Colors
   ============================================================================== */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0B1220;
  --surface-primary: #111B2B;
  --surface-secondary: #162235;
  --surface-elevated: #1B2940;
  --surface-field: #0D1624;
  --text-primary: #F4F7FB;
  --text-secondary: #9AA8BC;
  --text-muted: #6E7F96;
  
  --accent-primary: #9BE15D;
  --accent-primary-hover: #8DD650;
  --accent-secondary: #63D6BD;
  --border-color: #29384D;
  --border-subtle: #1E2D40;
  --border-focus: #9BE15D;
  
  --danger: #F87171;
  --danger-surface: rgba(248, 113, 113, 0.12);
  --danger-border: rgba(248, 113, 113, 0.32);
  --success: #9BE15D;
  --success-surface: rgba(155, 225, 93, 0.10);
  --success-border: rgba(155, 225, 93, 0.30);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
  --shadow-elevated: 0 24px 64px rgba(0, 0, 0, 0.55);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-urdu: 'Noto Nastaliq Urdu', 'Urdu Typesetting', Tahoma, system-ui;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #F8FAFC;
  --surface-primary: #FFFFFF;
  --surface-secondary: #F1F5F9;
  --surface-elevated: #FFFFFF;
  --surface-field: #F8FAFC;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  --accent-primary: #10B981;
  --accent-primary-hover: #059669;
  --accent-secondary: #0D9488;
  --border-color: #CBD5E1;
  --border-subtle: #E2E8F0;
  --border-focus: #10B981;
  
  --danger: #EF4444;
  --danger-surface: rgba(239, 68, 68, 0.10);
  --danger-border: rgba(239, 68, 68, 0.30);
  --success: #10B981;
  --success-surface: rgba(16, 185, 129, 0.10);
  --success-border: rgba(16, 185, 129, 0.30);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-elevated: 0 20px 48px rgba(0, 0, 0, 0.16);
}

/* 6 Accent Color Themes */
[data-accent="emerald"] {
  --accent-primary: #9BE15D;
  --accent-primary-hover: #8DD650;
  --accent-secondary: #63D6BD;
  --border-focus: #9BE15D;
}
[data-accent="teal"] {
  --accent-primary: #63D6BD;
  --accent-primary-hover: #52C7AD;
  --accent-secondary: #9BE15D;
  --border-focus: #63D6BD;
}
[data-accent="blue"] {
  --accent-primary: #38BDF8;
  --accent-primary-hover: #0EA5E9;
  --accent-secondary: #818CF8;
  --border-focus: #38BDF8;
}
[data-accent="purple"] {
  --accent-primary: #A78BFA;
  --accent-primary-hover: #8B5CF6;
  --accent-secondary: #F472B6;
  --border-focus: #A78BFA;
}
[data-accent="amber"] {
  --accent-primary: #FBBF24;
  --accent-primary-hover: #F59E0B;
  --accent-secondary: #F87171;
  --border-focus: #FBBF24;
}
[data-accent="rose"] {
  --accent-primary: #FB7185;
  --accent-primary-hover: #F43F5E;
  --accent-secondary: #FDA4AF;
  --border-focus: #FB7185;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--text-primary);
  font-family: var(--font-sans);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

button, input, select, textarea {
  font: inherit;
  box-sizing: border-box;
}

button {
  cursor: pointer;
  border: 0;
  background: transparent;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

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

/* ==============================================================================
   Universal Form Control System — Dark & Light Theme Resilient
   Completely prevents white-background flashes and autofill styling bugs
   ============================================================================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="search"],
input[type="number"],
select,
textarea {
  width: 100%;
  height: 44px;
  min-height: 44px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  background-color: var(--surface-field) !important;
  color: var(--text-primary) !important;
  font-size: 13.5px;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  color-scheme: inherit;
}

textarea {
  height: auto;
  min-height: 80px;
  padding: 10px 14px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted) !important;
  opacity: 1;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus) !important;
  background-color: var(--surface-field) !important;
  box-shadow: 0 0 0 2px rgba(155, 225, 93, 0.2);
  outline: none;
}

/* WebKit autofill styling fix: keeps theme background & readable text */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px var(--surface-field) inset !important;
  -webkit-text-fill-color: var(--text-primary) !important;
  caret-color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
  transition: background-color 5000s ease-in-out 0s;
}

select option {
  background-color: var(--surface-secondary);
  color: var(--text-primary);
}

/* Date and Time Picker icon styling */
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  filter: invert(0.8) hue-rotate(90deg);
  cursor: pointer;
}
[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator {
  filter: none;
}

/* Checkbox accent */
input[type="checkbox"] {
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* SVG Icon Utility System */
.icon {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-xs {
  width: 12px;
  height: 12px;
  stroke-width: 2;
}

.icon-sm {
  width: 15px;
  height: 15px;
  stroke-width: 2;
}

.icon-lg {
  width: 22px;
  height: 22px;
  stroke-width: 2;
}

.icon-xl {
  width: 28px;
  height: 28px;
  stroke-width: 1.75;
}

/* Brand Identity */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  text-decoration: none;
  user-select: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 4px 12px rgba(155, 225, 93, 0.2);
  color: #0B1220;
}

.brand-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.4px;
}

/* ==============================================================================
   Button System — Strictly Full-Width Inside Forms & Pixel-Aligned
   ============================================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #0B1220;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.2px;
  border: 1px solid var(--accent-primary);
  box-shadow: 0 2px 8px rgba(155, 225, 93, 0.18);
  transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-primary-hover);
  border-color: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(155, 225, 93, 0.26);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Primary Button in Authentication Forms: 100% Full-Width, Height 48px */
.form .btn-primary,
.auth-page .btn-primary,
.btn-primary.btn-block {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  min-height: 48px !important;
  height: 48px !important;
  box-sizing: border-box !important;
  margin: 6px 0 0 0 !important;
  padding: 0 20px !important;
  font-size: 14px !important;
}

/* Secondary Button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  user-select: none;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--surface-elevated);
  border-color: #3C506C;
  transform: translateY(-1px);
}

.btn-secondary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Danger Button */
.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  background: var(--danger-surface);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.2);
}

/* ==============================================================================
   Interactive Habit Daily Checkbox Component
   ============================================================================== */
.habit-check-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.habit-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.habit-check-custom {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--border-color);
  background: var(--surface-field);
  display: grid;
  place-items: center;
  color: #0B1220;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.habit-checkbox:checked + .habit-check-custom {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.habit-check-control:hover .habit-check-custom {
  border-color: var(--accent-primary);
}

.habit-checkbox:focus-visible + .habit-check-custom {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Toast Notification System */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 380px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: toastFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.toast-success {
  background: #0E1A18;
  border: 1px solid var(--success-border);
  color: #D2F7BC;
}

.toast.toast-error {
  background: #1C1215;
  border: 1px solid var(--danger-border);
  color: #FDC7C7;
}

.toast.toast-info {
  background: #0F1928;
  border: 1px solid #273A53;
  color: #DDE8F8;
}

[data-theme="light"] .toast.toast-success {
  background: #ECFDF5;
  border-color: #A7F3D0;
  color: #065F46;
}
[data-theme="light"] .toast.toast-error {
  background: #FEF2F2;
  border-color: #FECACA;
  color: #991B1B;
}
[data-theme="light"] .toast.toast-info {
  background: #F0F9FF;
  border-color: #BAE6FD;
  color: #075985;
}

.toast-body {
  flex: 1;
}

.toast-close {
  color: inherit;
  opacity: 0.6;
  padding: 0;
  margin-left: 6px;
  display: grid;
  place-items: center;
}
.toast-close:hover {
  opacity: 1;
}

@keyframes toastFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Loading Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0, 0, 0, 0.25);
  border-top-color: #0B1220;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

.spinner-light {
  border-color: rgba(255, 255, 255, 0.2);
  border-top-color: #F4F7FB;
}

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

/* Config Banner */
.config-banner {
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.config-banner .config-tag {
  background: rgba(99, 214, 189, 0.14);
  color: var(--accent-secondary);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.config-banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: border-color 0.15s ease;
}

.config-banner-btn:hover {
  border-color: var(--accent-secondary);
  color: var(--accent-secondary);
}

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

/* ==============================================================================
   HabitFlow — Progressive Web App (PWA) Interface Components
   ============================================================================== */

/* 1. Floating Smart Install App Banner */
.pwa-install-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(140%);
  width: calc(100% - 32px);
  max-width: 540px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.pwa-install-banner.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.pwa-banner-card {
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  padding: 18px 20px 14px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pwa-banner-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pwa-banner-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.pwa-app-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pwa-app-icon svg {
  display: block;
}

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

.pwa-banner-title {
  margin: 0 0 2px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.pwa-banner-desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text-secondary);
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.pwa-btn-install {
  height: 36px;
  padding: 0 14px;
  font-size: 12.5px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pwa-btn-dismiss {
  height: 36px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

.pwa-btn-dismiss:hover {
  color: var(--text-primary);
}

/* Three platform options at bottom of prompt */
.pwa-banner-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.pwa-banner-options-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pwa-banner-options-btns {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pwa-banner-guide-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.pwa-banner-guide-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: var(--surface-elevated);
}

/* 2. Global PWA Guide Modal System (Active across all pages) */
.pwa-modal-backdrop,
.dash-modal-backdrop.pwa-ios-backdrop {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  background: rgba(5, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.pwa-modal-backdrop.is-open,
.dash-modal-backdrop.pwa-ios-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pwa-modal-dialog {
  width: min(520px, 100%);
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  max-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.pwa-modal-backdrop.is-open .pwa-modal-dialog,
.dash-modal-backdrop.pwa-ios-backdrop.is-open .pwa-modal-dialog {
  transform: translateY(0) scale(1);
}

.pwa-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.pwa-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.pwa-modal-title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.pwa-guide-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease;
  margin-right: 4px;
}

.pwa-guide-back-btn:hover {
  color: var(--accent-primary);
}

.pwa-modal-body {
  padding: 20px;
  overflow-y: auto;
  line-height: 1.6;
  font-size: 13.5px;
  color: var(--text-secondary);
}

.pwa-modal-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background: var(--surface-field);
  flex-shrink: 0;
}

/* 3. Three Platform Selectable Cards (Platform Selection View) */
.pwa-platforms-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}

.pwa-platform-card {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
  color: var(--text-primary);
  font-family: inherit;
}

.pwa-platform-card:hover {
  background: var(--surface-elevated);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.pwa-platform-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.pwa-platform-info {
  flex: 1;
  min-width: 0;
}

.pwa-platform-info strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.pwa-platform-info span {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.pwa-platform-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.15s ease, color 0.15s ease;
}

.pwa-platform-card:hover .pwa-platform-arrow {
  transform: translateX(3px);
  color: var(--accent-primary);
}

/* 4. Step Details & Badge Styling */
.pwa-steps-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pwa-steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.pwa-steps-list .step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #0b1220;
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.pwa-steps-list .step-text {
  flex: 1;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
}

.pwa-steps-list .step-text strong {
  color: var(--accent-primary);
}

.step-icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  padding: 2px 4px;
  background: var(--surface-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--accent-primary);
  margin: 0 2px;
}

.step-icon-badge svg {
  width: 14px;
  height: 14px;
}

.pwa-guide-note {
  margin-top: 14px;
  padding: 10px 12px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.pwa-native-action-row {
  margin-top: 14px;
  display: flex;
  justify-content: flex-start;
}

/* 5. Offline Network Status Banner */
.pwa-network-badge {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  animation: pwaBadgeIn 0.3s ease forwards;
}

.pwa-network-badge.is-offline {
  background: #2a1b1b;
  color: #fca5a5;
  border: 1px solid #7f1d1d;
}

.pwa-network-badge.is-online {
  background: #142a1f;
  color: #86efac;
  border: 1px solid #166534;
}

@keyframes pwaBadgeIn {
  from {
    transform: translateX(-50%) translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

/* 6. Responsive Adjustments for Mobile Screens */
@media (max-width: 640px) {
  .pwa-install-banner {
    bottom: 12px;
    width: calc(100% - 20px);
  }

  .pwa-banner-card {
    padding: 14px;
    gap: 12px;
  }

  .pwa-banner-top {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .pwa-banner-left {
    align-items: flex-start;
  }

  .pwa-banner-actions {
    justify-content: flex-end;
  }

  .pwa-btn-install,
  .pwa-btn-dismiss {
    flex: 1;
    justify-content: center;
  }

  .pwa-banner-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .pwa-banner-options-btns {
    width: 100%;
  }

  .pwa-banner-guide-btn {
    flex: 1;
    justify-content: center;
    padding: 6px 8px;
  }

  .pwa-modal-dialog {
    max-height: calc(100vh - 24px);
    border-radius: var(--radius-md);
  }

  .pwa-modal-head,
  .pwa-modal-body,
  .pwa-modal-foot {
    padding-left: 14px;
    padding-right: 14px;
  }
}