/* ==========================================================================
   S&E Gebaeudetechnik GmbH - Pruefprotokoll Web App
   Production CSS - Mobile-First, PWA-Optimized
   ========================================================================== */

/* ==========================================================================
   1. CSS Custom Properties
   ========================================================================== */

:root {
  /* Brand Colors */
  --color-primary-blue: #3686C7;
  --color-primary-green: #55D829;
  --color-dark-blue: #28649B;
  --color-dark-green: #2D8C14;
  --color-dark-gray: #3C3C3C;
  --color-mid-gray: #787878;
  --color-light-gray: #F5F5F5;
  --color-light-blue: #E6F2FC;
  --color-light-green: #E8FCE1;
  --color-white: #FFFFFF;

  /* Semantic Colors */
  --color-danger: #E53935;
  --color-danger-light: #FFEBEE;
  --color-danger-dark: #C62828;
  --color-warning: #F57C00;
  --color-warning-light: #FFF3E0;
  --color-warning-dark: #E65100;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.6875rem;   /* 11px */
  --font-size-sm: 0.8125rem;   /* 13px */
  --font-size-base: 0.9375rem; /* 15px */
  --font-size-md: 1rem;        /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.375rem;    /* 22px */
  --font-size-2xl: 1.75rem;    /* 28px */

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;

  /* Borders */
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 14px;
  --border-radius-xl: 20px;
  --border-radius-full: 9999px;
  --border-color: #D4D4D4;
  --border-color-light: #E8E8E8;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.2);

  /* Layout */
  --header-height: 56px;
  --nav-height: 56px;
  --tap-target: 44px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Safe areas (defaults, overridden by env()) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}


/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overscroll-behavior: none;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-dark-gray);
  background-color: var(--color-light-gray);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  position: fixed;
  top: 0;
  left: 0;
}

/* Prevent iOS overscroll / pull-to-refresh */
html,
body {
  overscroll-behavior-y: none;
  -webkit-overflow-scrolling: touch;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

a:hover,
a:focus-visible {
  color: var(--color-dark-blue);
  text-decoration: underline;
}

/* Hide number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* Remove default iOS input styling */
input,
select,
textarea,
button {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  font-family: inherit;
  font-size: inherit;
}

/* Global touch optimization */
a,
button,
input,
select,
textarea,
label,
[role="button"] {
  touch-action: manipulation;
}

/* Focus visible outline for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary-blue);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}


/* ==========================================================================
   3. App Shell Layout
   ========================================================================== */

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
}

/* ---------- App Header ---------- */

.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  height: calc(var(--header-height) + var(--safe-top));
  padding: var(--safe-top) var(--spacing-lg) 0 var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-dark-blue));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  user-select: none;
}

.app-header .header-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
  object-fit: contain;
  background-color: var(--color-white);
  padding: 2px;
}

.app-header .header-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.app-header .header-subtitle {
  font-size: var(--font-size-xs);
  font-weight: 400;
  opacity: 0.85;
  display: none;
}

.app-header .header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* ---------- App Navigation (Bottom Tab Bar) ---------- */

.app-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  height: calc(var(--nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background-color: var(--color-white);
  border-top: 1px solid var(--border-color-light);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
  user-select: none;
}

.app-nav .nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-width: var(--tap-target);
  min-height: var(--tap-target);
  padding: var(--spacing-xs) 0;
  background: none;
  border: none;
  color: var(--color-mid-gray);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: color var(--transition-fast);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.app-nav .nav-item .nav-icon {
  font-size: 22px;
  line-height: 1;
  margin-bottom: 2px;
  transition: transform var(--transition-fast);
}

.app-nav .nav-item .nav-label {
  font-size: var(--font-size-xs);
  line-height: 1;
  white-space: nowrap;
}

.app-nav .nav-item:active .nav-icon {
  transform: scale(0.9);
}

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

.app-nav .nav-item.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  background-color: var(--color-primary-blue);
  border-radius: 0 0 3px 3px;
}

/* Badge on nav item */
.app-nav .nav-item .nav-badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 18px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-danger);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

/* ---------- Main Content Area ---------- */

.app-content {
  flex: 1;
  margin-top: calc(var(--header-height) + var(--safe-top));
  margin-bottom: calc(var(--nav-height) + var(--safe-bottom));
  overflow: hidden;
  position: relative;
}


/* ==========================================================================
   4. Views
   ========================================================================== */

.view {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding: var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + var(--safe-left));
  padding-right: calc(var(--spacing-lg) + var(--safe-right));
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility 0s linear var(--transition-base);
  will-change: opacity, transform;
}

.view.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility 0s linear 0s;
}

/* Scroll padding to prevent content cut-off at bottom */
.view::after {
  content: "";
  display: block;
  height: var(--spacing-xl);
}


/* ==========================================================================
   5. Project List View (.view-projects)
   ========================================================================== */

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

.view-projects .projects-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-dark-gray);
}

/* Search bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  transition: border-color var(--transition-fast);
}

.search-bar:focus-within {
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(54, 134, 199, 0.15);
}

.search-bar .search-icon {
  color: var(--color-mid-gray);
  flex-shrink: 0;
  font-size: 18px;
}

.search-bar input {
  flex: 1;
  border: none;
  background: none;
  font-size: var(--font-size-base);
  color: var(--color-dark-gray);
  min-height: var(--tap-target);
  padding: 0;
}

.search-bar input::placeholder {
  color: var(--color-mid-gray);
}

.search-bar input:focus {
  outline: none;
}

/* Filter chips */
.filter-chips {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  background-color: var(--color-white);
  color: var(--color-mid-gray);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  cursor: pointer;
  min-height: var(--tap-target);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.filter-chip.active {
  background-color: var(--color-light-blue);
  border-color: var(--color-primary-blue);
  color: var(--color-dark-blue);
  font-weight: 600;
}

/* Project cards list */
.project-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}


/* ==========================================================================
   6. Cards
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color-light);
  transition:
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.card:active {
  transform: scale(0.985);
  box-shadow: var(--shadow-md);
}

.card .card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.card .card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-dark-gray);
  line-height: 1.3;
}

.card .card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  margin-top: 2px;
}

.card .card-body {
  margin-top: var(--spacing-sm);
}

.card .card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
}

.card .card-meta .meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color-light);
}


/* ==========================================================================
   7. Status Badges
   ========================================================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.4;
}

.status-badge--draft {
  background-color: var(--color-light-gray);
  color: var(--color-mid-gray);
}

.status-badge--in-progress {
  background-color: var(--color-light-blue);
  color: var(--color-dark-blue);
}

.status-badge--completed {
  background-color: var(--color-light-green);
  color: var(--color-dark-green);
}

.status-badge--synced {
  background-color: #E0F2F1;
  color: #00695C;
}

.status-badge--error {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
}

/* Small dot variant */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--draft {
  background-color: var(--color-mid-gray);
}

.status-dot--in-progress {
  background-color: var(--color-primary-blue);
}

.status-dot--completed {
  background-color: var(--color-primary-green);
}

.status-dot--error {
  background-color: var(--color-danger);
}


/* ==========================================================================
   8. Protocol Form View (.view-form)
   ========================================================================== */

.view-form {
  padding-top: 0;
  padding-left: 0;
  padding-right: 0;
}

/* ---------- Form Tab Navigation ---------- */

.form-tabs {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--border-color-light);
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0 var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + var(--safe-left));
  padding-right: calc(var(--spacing-lg) + var(--safe-right));
}

.form-tabs::-webkit-scrollbar {
  display: none;
}

.form-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: var(--tap-target);
  min-width: max-content;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-mid-gray);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.form-tab:active {
  background-color: var(--color-light-gray);
}

.form-tab.active {
  color: var(--color-primary-blue);
  border-bottom-color: var(--color-primary-blue);
  font-weight: 600;
}

.form-tab .tab-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-light-gray);
  color: var(--color-mid-gray);
  font-size: var(--font-size-xs);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.form-tab.active .tab-number {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
}

.form-tab.completed .tab-number {
  background-color: var(--color-primary-green);
  color: var(--color-white);
}

/* ---------- Tab Content ---------- */

.tab-content {
  display: none;
  padding: var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + var(--safe-left));
  padding-right: calc(var(--spacing-lg) + var(--safe-right));
  animation: fadeIn var(--transition-base) ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab content section headings */
.tab-content .section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-blue);
}

.tab-content .section-subtitle {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}


/* ==========================================================================
   9. Form Elements
   ========================================================================== */

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

.form-group label,
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-xs);
}

.form-group .form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
  margin-top: var(--spacing-xs);
}

.form-group .form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
}

/* Two inputs side by side */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

/* Three columns */
.form-row--thirds {
  grid-template-columns: 1fr 1fr 1fr;
}

/* Stack on very small screens */
@media (max-width: 374px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- Inputs, Selects, Textareas ---------- */

input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
input[type="url"],
input[type="search"],
input[type="password"],
select,
textarea {
  display: block;
  width: 100%;
  min-height: var(--tap-target);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-dark-gray);
  background-color: var(--color-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary-blue);
  box-shadow: 0 0 0 3px rgba(54, 134, 199, 0.15);
  outline: none;
}

input.error,
select.error,
textarea.error {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.12);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--color-light-gray);
  color: var(--color-mid-gray);
  cursor: not-allowed;
  opacity: 0.7;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-mid-gray);
  opacity: 0.7;
}

textarea {
  min-height: 88px;
  resize: vertical;
  line-height: 1.5;
}

/* Select dropdown arrow */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23787878' d='M6 8.825L1.175 4l.825-.825L6 7.175 10 3.175l.825.825z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 36px;
}

/* Input with unit label */
.input-with-unit {
  position: relative;
}

.input-with-unit input {
  padding-right: 48px;
}

.input-with-unit .unit-label {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  pointer-events: none;
}


/* ==========================================================================
   10. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: var(--tap-target);
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.96);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Primary Blue */
.btn-primary {
  background-color: var(--color-primary-blue);
  border-color: var(--color-primary-blue);
  color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-dark-blue);
  border-color: var(--color-dark-blue);
}

.btn-primary:active:not(:disabled) {
  background-color: #1E5480;
}

/* Success Green */
.btn-success {
  background-color: var(--color-primary-green);
  border-color: var(--color-primary-green);
  color: var(--color-white);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-dark-green);
  border-color: var(--color-dark-green);
}

.btn-success:active:not(:disabled) {
  background-color: #1F6E0D;
}

/* Danger Red */
.btn-danger {
  background-color: transparent;
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-light);
}

.btn-danger:active:not(:disabled) {
  background-color: #FFCDD2;
}

/* Outline */
.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--color-dark-gray);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-light-gray);
  border-color: var(--color-mid-gray);
}

.btn-outline:active:not(:disabled) {
  background-color: #E0E0E0;
}

/* Icon-only button (circular) */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-target);
  height: var(--tap-target);
  min-height: var(--tap-target);
  padding: 0;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--color-mid-gray);
  font-size: 20px;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.06);
  color: var(--color-dark-gray);
}

.btn-icon:active {
  transform: scale(0.9);
  background-color: rgba(0, 0, 0, 0.1);
}

.btn-icon--light {
  color: rgba(255, 255, 255, 0.85);
}

.btn-icon--light:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

/* Floating Action Button */
.btn-fab {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--spacing-lg));
  right: calc(var(--spacing-lg) + var(--safe-right));
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  font-size: 28px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.btn-fab:hover {
  background-color: var(--color-dark-blue);
  box-shadow: var(--shadow-xl);
}

.btn-fab:active {
  transform: scale(0.92);
}

/* Full-width button */
.btn-block {
  display: flex;
  width: 100%;
}

/* Small button */
.btn-sm {
  min-height: 36px;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* Button group */
.btn-group {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-group--stretch {
  width: 100%;
}

.btn-group--stretch .btn {
  flex: 1;
}


/* ==========================================================================
   11. Data Tables
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color-light);
  background-color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

/* Scroll shadow indicators */
.table-responsive {
  background:
    linear-gradient(to right, var(--color-white) 30%, transparent),
    linear-gradient(to left, var(--color-white) 30%, transparent),
    linear-gradient(to right, rgba(0, 0, 0, 0.08), transparent 15px),
    linear-gradient(to left, rgba(0, 0, 0, 0.08), transparent 15px);
  background-position: left center, right center, left center, right center;
  background-size: 20px 100%, 20px 100%, 15px 100%, 15px 100%;
  background-repeat: no-repeat;
  background-attachment: local, local, scroll, scroll;
}

.data-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th {
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-dark-blue));
  color: var(--color-white);
  font-weight: 600;
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  white-space: nowrap;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table th:first-child {
  border-radius: var(--border-radius-md) 0 0 0;
}

.data-table th:last-child {
  border-radius: 0 var(--border-radius-md) 0 0;
}

.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color-light);
  vertical-align: middle;
}

.data-table tbody tr:nth-child(even) {
  background-color: var(--color-light-gray);
}

.data-table tbody tr:hover {
  background-color: var(--color-light-blue);
}

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

/* Editable table cell */
.data-table td input {
  min-height: 36px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  border-radius: 4px;
  width: 100%;
  min-width: 60px;
}

/* Table actions cell */
.data-table .cell-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  white-space: nowrap;
}

/* Add row button */
.table-add-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-lg);
  margin-top: -1px;
  background-color: var(--color-white);
  border: 1px dashed var(--border-color);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  color: var(--color-primary-blue);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  min-height: var(--tap-target);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.table-add-row:hover {
  background-color: var(--color-light-blue);
  border-color: var(--color-primary-blue);
}


/* ==========================================================================
   12. Checkbox / Inspection Checklist
   ========================================================================== */

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-sm);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

.checkbox-item .checkbox-label {
  flex: 1;
  font-size: var(--font-size-base);
  color: var(--color-dark-gray);
  line-height: 1.4;
  min-width: 0;
}

.checkbox-item .checkbox-actions {
  display: flex;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

/* Pass / Fail / N/A toggle buttons */
.checkbox-item .check-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--tap-target);
  min-height: var(--tap-target);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: none;
  font-size: var(--font-size-xs);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  color: var(--color-mid-gray);
}

.checkbox-item .check-btn:active {
  transform: scale(0.92);
}

/* Pass selected */
.checkbox-item .check-btn.pass.selected {
  background-color: var(--color-light-green);
  border-color: var(--color-primary-green);
  color: var(--color-dark-green);
}

/* Fail selected */
.checkbox-item .check-btn.fail.selected {
  background-color: var(--color-danger-light);
  border-color: var(--color-danger);
  color: var(--color-danger-dark);
}

/* N/A selected */
.checkbox-item .check-btn.na.selected {
  background-color: var(--color-light-gray);
  border-color: var(--color-mid-gray);
  color: var(--color-dark-gray);
}

/* Checkbox item with fail state */
.checkbox-item.has-fail {
  border-color: var(--color-danger);
  background-color: var(--color-danger-light);
}

/* Remarks field for failed items */
.checkbox-item .checkbox-remark {
  width: 100%;
  margin-top: var(--spacing-sm);
}


/* ==========================================================================
   13. Info & Warning Boxes
   ========================================================================== */

.info-box {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-light-blue);
  border: 1px solid var(--color-primary-blue);
  border-left: 4px solid var(--color-primary-blue);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-dark-blue);
  line-height: 1.5;
}

.info-box .info-icon {
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  margin-top: 1px;
}

.warning-box {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-warning-dark);
  line-height: 1.5;
}

.warning-box .warning-icon {
  flex-shrink: 0;
  font-size: 20px;
  line-height: 1;
  margin-top: 1px;
}

.success-box {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-light-green);
  border: 1px solid var(--color-primary-green);
  border-left: 4px solid var(--color-primary-green);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-dark-green);
  line-height: 1.5;
}


/* ==========================================================================
   14. Signature View (.view-signatures)
   ========================================================================== */

.view-signatures .signature-section {
  margin-bottom: var(--spacing-2xl);
}

.view-signatures .signature-section h3 {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.signature-container {
  position: relative;
  width: 100%;
  background-color: var(--color-white);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  touch-action: none;
  cursor: crosshair;
}

.signature-container canvas {
  display: block;
  width: 100%;
  height: 200px;
  touch-action: none;
}

.signature-container.has-signature {
  border-style: solid;
  border-color: var(--color-primary-blue);
}

.signature-container .signature-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-mid-gray);
  pointer-events: none;
  font-size: var(--font-size-sm);
}

.signature-container.has-signature .signature-placeholder {
  display: none;
}

.signature-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.signature-line {
  position: absolute;
  bottom: 40px;
  left: 20px;
  right: 20px;
  border-bottom: 1px solid var(--border-color-light);
  pointer-events: none;
}

.signature-date {
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  margin-top: var(--spacing-sm);
}


/* ==========================================================================
   15. PDF Preview View (.view-pdf)
   ========================================================================== */

.view-pdf .pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-bottom: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
  margin-bottom: 0;
}

.view-pdf .pdf-toolbar .toolbar-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-dark-gray);
}

.view-pdf .pdf-toolbar .toolbar-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.view-pdf .pdf-preview-frame {
  width: 100%;
  min-height: 400px;
  height: calc(100vh - var(--header-height) - var(--nav-height) - var(--safe-top) - var(--safe-bottom) - 140px);
  background-color: var(--color-white);
  border: 1px solid var(--border-color-light);
  border-top: none;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.view-pdf .pdf-preview-frame iframe,
.view-pdf .pdf-preview-frame canvas,
.view-pdf .pdf-preview-frame embed {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.view-pdf .pdf-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 300px;
  text-align: center;
  color: var(--color-mid-gray);
  padding: var(--spacing-2xl);
}

.view-pdf .pdf-placeholder .placeholder-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.4;
}


/* ==========================================================================
   16. Settings View (.view-settings)
   ========================================================================== */

.view-settings .settings-group {
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color-light);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.view-settings .settings-group-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-mid-gray);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-top: var(--spacing-xl);
}

.view-settings .settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: var(--tap-target);
  border-bottom: 1px solid var(--border-color-light);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.view-settings .settings-item:last-child {
  border-bottom: none;
}

.view-settings .settings-item:active {
  background-color: var(--color-light-gray);
}

.view-settings .settings-item .item-content {
  flex: 1;
  min-width: 0;
}

.view-settings .settings-item .item-label {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-dark-gray);
}

.view-settings .settings-item .item-description {
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
  margin-top: 2px;
}

.view-settings .settings-item .item-value {
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  flex-shrink: 0;
}

.view-settings .settings-item .item-chevron {
  flex-shrink: 0;
  color: var(--color-mid-gray);
  font-size: 16px;
  opacity: 0.5;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 52px;
  height: 32px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-switch .toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  border-radius: 16px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.toggle-switch .toggle-slider::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 28px;
  height: 28px;
  background-color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--color-primary-green);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* Version / footer info */
.view-settings .settings-footer {
  text-align: center;
  padding: var(--spacing-xl);
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
}


/* ==========================================================================
   17. Modal
   ========================================================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  padding-top: calc(var(--spacing-xl) + var(--safe-top));
  padding-bottom: calc(var(--spacing-xl) + var(--safe-bottom));
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility 0s linear var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--transition-base),
    visibility 0s linear 0s;
}

.modal-content {
  width: 100%;
  max-width: 480px;
  max-height: calc(100vh - var(--spacing-3xl) * 2);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateY(16px) scale(0.97);
  transition: transform var(--transition-base);
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color-light);
}

.modal-header .modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-dark-gray);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-body p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.modal-body p:last-child {
  margin-bottom: 0;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--border-color-light);
}


/* ==========================================================================
   18. Toast Notifications
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--spacing-lg));
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1.4;
  pointer-events: auto;
  transform: translateY(16px);
  opacity: 0;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

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

.toast .toast-icon {
  flex-shrink: 0;
  font-size: 18px;
}

.toast .toast-message {
  flex: 1;
  min-width: 0;
}

.toast .toast-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.toast .toast-close:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* Toast variants */
.toast--success {
  background-color: var(--color-dark-green);
}

.toast--error {
  background-color: var(--color-danger-dark);
}

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

.toast--info {
  background-color: var(--color-dark-blue);
}


/* ==========================================================================
   19. Empty State
   ========================================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  min-height: 240px;
}

.empty-state .empty-icon {
  font-size: 56px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.3;
}

.empty-state .empty-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-sm);
}

.empty-state .empty-description {
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  max-width: 280px;
  line-height: 1.5;
  margin-bottom: var(--spacing-xl);
}


/* ==========================================================================
   20. Loading & Progress
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--border-color-light);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary-blue), var(--color-primary-green));
  border-radius: 3px;
  transition: width var(--transition-slow);
}

/* Full-page loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-dark-gray);
  font-size: var(--font-size-base);
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility 0s linear var(--transition-base);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--transition-base),
    visibility 0s linear 0s;
}


/* ==========================================================================
   21. Utility Classes
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

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

.text-muted {
  color: var(--color-mid-gray);
}

.text-primary {
  color: var(--color-primary-blue);
}

.text-success {
  color: var(--color-dark-green);
}

.text-danger {
  color: var(--color-danger);
}

.text-sm {
  font-size: var(--font-size-sm);
}

.text-xs {
  font-size: var(--font-size-xs);
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none !important;
}

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.divider {
  border: none;
  border-top: 1px solid var(--border-color-light);
  margin: var(--spacing-lg) 0;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}


/* ==========================================================================
   22. Responsive - iPad (768px+)
   ========================================================================== */

@media (min-width: 768px) {
  :root {
    --header-height: 60px;
    --nav-height: 60px;
  }

  .app-header {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }

  .app-header .header-logo {
    width: 40px;
    height: 40px;
  }

  .app-header .header-title {
    font-size: var(--font-size-xl);
  }

  .app-header .header-subtitle {
    display: inline;
    margin-left: var(--spacing-sm);
  }

  .view {
    padding: var(--spacing-xl) var(--spacing-2xl);
  }

  .form-tabs {
    padding: 0 var(--spacing-2xl);
  }

  .tab-content {
    padding: var(--spacing-xl) var(--spacing-2xl);
  }

  /* Two-column form rows */
  .form-row {
    gap: var(--spacing-lg);
  }

  .form-row--thirds {
    grid-template-columns: 1fr 1fr 1fr;
  }

  /* Wider cards, optional grid */
  .project-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
  }

  .card {
    padding: var(--spacing-xl);
  }

  /* Checkbox items: more horizontal space */
  .checkbox-item {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  /* Modal wider on iPad */
  .modal-content {
    max-width: 560px;
  }

  /* Signature canvas taller */
  .signature-container canvas {
    height: 260px;
  }

  /* Data table doesn't need to scroll as much */
  .data-table {
    min-width: auto;
  }

  /* FAB position */
  .btn-fab {
    right: var(--spacing-2xl);
    bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--spacing-xl));
  }

  /* Toast narrower and centered */
  .toast-container {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
  }
}


/* ==========================================================================
   23. Responsive - Desktop (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
  .view {
    padding: var(--spacing-2xl) var(--spacing-3xl);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }

  .form-tabs {
    justify-content: center;
  }

  .tab-content {
    padding: var(--spacing-2xl) var(--spacing-3xl);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
  }

  .project-list {
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  }

  /* Hover effects for non-touch devices */
  .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }

  .card:active {
    transform: scale(1);
  }

  .checkbox-item:hover {
    background-color: var(--color-light-gray);
  }

  .filter-chip:hover {
    border-color: var(--color-primary-blue);
    color: var(--color-primary-blue);
  }
}


/* ==========================================================================
   24. Landscape on iPhone / Small Devices
   ========================================================================== */

@media (max-height: 500px) and (orientation: landscape) {
  :root {
    --header-height: 44px;
    --nav-height: 44px;
  }

  .app-header .header-logo {
    width: 28px;
    height: 28px;
  }

  .app-header .header-title {
    font-size: var(--font-size-md);
  }

  .app-nav .nav-item .nav-label {
    display: none;
  }

  .app-nav .nav-item .nav-icon {
    font-size: 20px;
  }

  .signature-container canvas {
    height: 150px;
  }
}


/* ==========================================================================
   25. Dark Mode Support (Optional - system preference)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --color-dark-gray: #E8E8E8;
    --color-mid-gray: #A0A0A0;
    --color-light-gray: #1C1C1E;
    --color-light-blue: #1A2D3E;
    --color-light-green: #1A2E16;
    --color-white: #2C2C2E;
    --border-color: #48484A;
    --border-color-light: #38383A;
    --color-danger-light: #3C1A1A;
    --color-warning-light: #3C2A1A;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.6);
  }

  body {
    background-color: #000000;
  }

  .app-nav {
    background-color: #1C1C1E;
    border-top-color: var(--border-color);
  }

  .toast {
    background-color: #48484A;
  }

  .loading-overlay {
    background-color: rgba(0, 0, 0, 0.85);
    color: var(--color-dark-gray);
  }

  /* Ensure select arrow is visible */
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23A0A0A0' d='M6 8.825L1.175 4l.825-.825L6 7.175 10 3.175l.825.825z'/%3E%3C/svg%3E");
  }

  .data-table tbody tr:nth-child(even) {
    background-color: #1C1C1E;
  }

  .data-table tbody tr:hover {
    background-color: var(--color-light-blue);
  }

  input::placeholder,
  textarea::placeholder {
    color: var(--color-mid-gray);
    opacity: 0.5;
  }
}


/* ==========================================================================
   26. Phase 1: Profile, Validation, Locking, PIN
   ========================================================================== */

/* --- PIN Input --- */
.pin-input {
  text-align: center;
  font-size: var(--font-size-2xl);
  letter-spacing: 12px;
  font-weight: 700;
  max-width: 200px;
}

/* --- Locked Banner --- */
.locked-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-left: 4px solid var(--color-warning);
  margin: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-warning-dark);
  font-weight: 600;
}

.locked-banner .locked-icon {
  font-size: 20px;
  flex-shrink: 0;
}

/* --- Validation List --- */
.validation-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.validation-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color-light);
  font-size: var(--font-size-sm);
  color: var(--color-danger-dark);
}

.validation-list li:last-child {
  border-bottom: none;
}

.validation-list li::before {
  content: "\2717";
  font-weight: 700;
  color: var(--color-danger);
  flex-shrink: 0;
}

/* --- Profile Card --- */
.profile-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-md);
}

.profile-card .profile-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-blue), var(--color-dark-blue));
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: 700;
  flex-shrink: 0;
}

.profile-card .profile-info {
  flex: 1;
  min-width: 0;
}

.profile-card .profile-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-dark-gray);
}

.profile-card .profile-role {
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
}

/* --- Status Badges: vollstaendig, unterschrieben --- */
.status-badge--vollstaendig {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.status-badge--unterschrieben {
  background-color: var(--color-light-green);
  color: var(--color-dark-green);
}

/* --- Warning button style --- */
.btn-warning {
  background-color: var(--color-warning);
  border-color: var(--color-warning);
  color: var(--color-white);
}

.btn-warning:hover:not(:disabled) {
  background-color: var(--color-warning-dark);
  border-color: var(--color-warning-dark);
}

.btn-warning:active:not(:disabled) {
  background-color: #BF360C;
}

/* --- Form Error inline --- */
.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
}


/* ==========================================================================
   27. Phase 2/3: OneDrive & Hero Integration
   ========================================================================== */

/* --- Hero Search Results --- */
.hero-search-results {
  max-height: 300px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: var(--spacing-md);
}

.hero-project-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.hero-project-card:hover {
  background-color: var(--color-light-blue);
  border-color: var(--color-primary-blue);
}

.hero-project-card:active {
  transform: scale(0.98);
}

.hero-project-card .project-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-light-blue);
  color: var(--color-primary-blue);
  font-size: 18px;
  flex-shrink: 0;
}

.hero-project-card .project-details {
  flex: 1;
  min-width: 0;
}

.hero-project-card .project-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-dark-gray);
}

.hero-project-card .project-number {
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
  margin-top: 2px;
}

.hero-project-card .project-address {
  font-size: var(--font-size-sm);
  color: var(--color-mid-gray);
  margin-top: var(--spacing-xs);
}

/* --- OneDrive File List --- */
.onedrive-file-list {
  max-height: 400px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.onedrive-file-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color-light);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.onedrive-file-item:last-child {
  border-bottom: none;
}

.onedrive-file-item:hover {
  background-color: var(--color-light-blue);
}

.onedrive-file-item:active {
  background-color: var(--color-light-gray);
}

.onedrive-file-item .file-icon {
  font-size: 24px;
  flex-shrink: 0;
  opacity: 0.6;
}

.onedrive-file-item .file-info {
  flex: 1;
  min-width: 0;
}

.onedrive-file-item .file-name {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-dark-gray);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.onedrive-file-item .file-meta {
  font-size: var(--font-size-xs);
  color: var(--color-mid-gray);
  margin-top: 2px;
}


/* ==========================================================================
   28. Phase 4: Sync Status & Queue
   ========================================================================== */

/* --- Sync Icon in Header --- */
.sync-icon {
  position: relative;
  font-size: 20px;
}

.sync-icon.syncing {
  animation: syncSpin 1s linear infinite;
}

.sync-icon .sync-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-warning);
  border: 2px solid var(--color-dark-blue);
}

.sync-icon.sync-error .sync-badge {
  background-color: var(--color-danger);
}

.sync-icon.sync-ok .sync-badge {
  background-color: var(--color-primary-green);
}

@keyframes syncSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Queue Items in Settings --- */
.sync-queue-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color-light);
  font-size: var(--font-size-sm);
}

.sync-queue-item:last-child {
  border-bottom: none;
}

.sync-queue-item .queue-type {
  font-weight: 600;
  color: var(--color-dark-gray);
}

.sync-queue-item .queue-status {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
}

.sync-queue-item .queue-status--pending {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.sync-queue-item .queue-status--failed {
  background-color: var(--color-danger-light);
  color: var(--color-danger-dark);
}

.sync-queue-item .queue-status--processing {
  background-color: var(--color-light-blue);
  color: var(--color-dark-blue);
}


/* ==========================================================================
   29. Reduced Motion
   ========================================================================== */

@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;
  }

  .view {
    transform: none;
  }

  .view.active {
    transform: none;
  }

  .modal-content {
    transform: none;
  }

  .modal.active .modal-content {
    transform: none;
  }
}


/* ==========================================================================
   30. Print Styles
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    position: static;
    overflow: visible;
    height: auto;
    width: auto;
    background: #FFF !important;
  }

  /* Hide app shell chrome */
  .app-header,
  .app-nav,
  .btn-fab,
  .toast-container,
  .loading-overlay,
  .modal {
    display: none !important;
  }

  /* Show main content */
  .app-content {
    margin: 0;
    overflow: visible;
    position: static;
  }

  .view {
    position: static;
    overflow: visible;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 0;
    height: auto;
  }

  /* Hide inactive views */
  .view:not(.active) {
    display: none !important;
  }

  /* Form tabs: show all tab content */
  .form-tabs {
    display: none;
  }

  .tab-content {
    display: block !important;
    padding: 0;
    page-break-inside: avoid;
    margin-bottom: 1cm;
  }

  .tab-content .section-title {
    border-bottom-color: #000 !important;
    font-size: 14pt;
  }

  /* Tables */
  .table-responsive {
    overflow: visible;
    border: 1px solid #ccc !important;
  }

  .data-table {
    min-width: auto;
  }

  .data-table th {
    background: #E6E6E6 !important;
    color: #000 !important;
    border: 1px solid #ccc !important;
  }

  .data-table td {
    border: 1px solid #ccc !important;
  }

  /* Cards */
  .card {
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }

  /* Signatures */
  .signature-container {
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }

  .signature-actions {
    display: none;
  }

  /* Info / warning boxes */
  .info-box,
  .warning-box,
  .success-box {
    border: 1px solid #999 !important;
    border-left-width: 4px !important;
  }

  /* Buttons */
  .btn,
  .btn-group,
  .filter-chips,
  .search-bar {
    display: none !important;
  }

  /* Inputs: show values only */
  input,
  select,
  textarea {
    border: none !important;
    padding: 2px 0 !important;
    min-height: auto !important;
    font-size: 10pt !important;
  }

  /* Page margins */
  @page {
    margin: 1.5cm;
  }

  /* Links */
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 8pt;
    color: #666 !important;
  }
}