/*
 * Tecalios Application Styles
 * The Operating System for Construction Companies
 * Consolidated stylesheet for Propshaft compatibility
 */

/* ===================================
   CSS VARIABLES - THEME COLORS
   =================================== */
:root {
  /* Primary Colors */
  --color-primary: #10B981;           /* Emerald Green */
  --color-primary-dark: #059669;      /* Darker Emerald */
  --color-primary-light: #A7F3D0;     /* Light Emerald */
  --color-accent: #14B8A6;            /* Aztec Teal */
  --color-accent-dark: #0D9488;
  --color-secondary: #7C3AED;         /* Deep Purple */
  --color-secondary-dark: #6D28D9;

  /* Neutral Colors - Light Theme */
  --color-bg: #F8FAFC;                /* Background */
  --color-surface: #FFFFFF;           /* Cards/Surface */
  --color-border: #E2E8F0;            /* Borders */
  --color-text-primary: #0F172A;      /* Primary Text */
  --color-text-secondary: #64748B;    /* Secondary Text */
  --color-text-muted: #94A3B8;        /* Muted Text */

  /* Status Colors */
  --color-success: #10B981;
  --color-success-light: #A7F3D0;
  --color-success-dark: #065F46;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-warning-dark: #92400E;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;
  --color-error-dark: #991B1B;
  --color-info: #3B82F6;
  --color-info-light: #DBEAFE;
  --color-info-dark: #1E40AF;
  --color-planning: #64748B;
  --color-planning-light: #F1F5F9;
  --color-planning-dark: #1E293B;

  /* Status Badge Specific */
  --badge-planning-bg: #F1F5F9;
  --badge-planning-text: #1E293B;
  --badge-active-bg: #A7F3D0;
  --badge-active-text: #065F46;
  --badge-completed-bg: #DBEAFE;
  --badge-completed-text: #1E40AF;
  --badge-on-hold-bg: #FEF3C7;
  --badge-on-hold-text: #92400E;
  --badge-cancelled-bg: #FEE2E2;
  --badge-cancelled-text: #991B1B;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-focus: 0 0 0 3px rgba(16, 185, 129, 0.1);

  /* Border Radius - Sharp Industrial Look */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
  --radius-full: 9999px;  /* Only for badges */

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
}

/* ===================================
   BASE STYLES
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
}

main {
  min-height: calc(100vh - 200px);
}

/* ===================================
   LAYOUT & STRUCTURE
   =================================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-medium {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-small {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Navigation */
nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  padding: 0 var(--space-md);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.025em;
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.nav-links {
  display: flex;
  align-items: center;
  margin-left: var(--space-lg);
  gap: var(--space-xl);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-xs);
  padding-top: var(--space-xs);
  border-bottom: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: border-color 0.2s;
}

.nav-link.active,
.nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Tabs */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow-x: auto;
  gap: 0;
}

.tab-link {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}

.tab-link:hover {
  color: var(--color-text-primary);
}

.tab-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

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

/* Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Flash Messages Container */
.flash-container {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  max-width: 1280px;
  width: calc(100% - 2rem);
  pointer-events: none;
}

.flash-container--nav {
  top: 72px;
}

.flash-container > * {
  pointer-events: auto;
}

/* ===================================
   COMPONENTS
   =================================== */

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-planning {
  background-color: var(--badge-planning-bg);
  color: var(--badge-planning-text);
}

.badge-active {
  background-color: var(--badge-active-bg);
  color: var(--badge-active-text);
}

.badge-completed {
  background-color: var(--badge-completed-bg);
  color: var(--badge-completed-text);
}

.badge-on-hold {
  background-color: var(--badge-on-hold-bg);
  color: var(--badge-on-hold-text);
}

.badge-cancelled {
  background-color: var(--badge-cancelled-bg);
  color: var(--badge-cancelled-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  line-height: normal;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--color-error);
  color: var(--color-surface);
}

.btn-danger:hover {
  background-color: var(--color-error-dark);
  transform: translateY(-1px);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-primary);
  padding: 0;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-link:hover {
  color: var(--color-primary-dark);
}

.btn-link-danger {
  background: none;
  border: none;
  color: var(--color-error);
  padding: 0;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-link-danger:hover {
  color: var(--color-error-dark);
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 1.25rem var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: 1.25rem var(--space-lg);
}

.card-footer {
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 0;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.empty-state-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.empty-state-title {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.empty-state-description {
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.empty-state-action {
  margin-top: var(--space-lg);
}

/* ===================================
   TABLES
   =================================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead th {
  text-align: left;
  padding: 0.75rem var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.data-table tbody td {
  padding: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}

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

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

.data-table tfoot td {
  padding: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

.table-summary td {
  background-color: var(--color-bg);
  border-top: 2px solid var(--color-border);
}

.table-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.table-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.text-muted {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ===================================
   PAGINATION
   =================================== */
.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.pagination-info {
  font-size: 0.875rem;
}

.pagination-per-page {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
}

.pagination-per-page .pagination-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  font-weight: 700;
  font-size: 0.875rem;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: 4px;
  line-height: 1;
}

.pagination-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  margin-top: var(--space-md);
  padding-bottom: var(--space-lg);
}

.pagination-nav .pagination-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  font-weight: 700;
  font-size: 0.875rem;
  color: #fff;
  background-color: var(--color-primary);
  border-radius: 4px;
}

.pagination-nav .btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  font-size: 0.875rem;
  text-decoration: none;
}

.pagination-nav .btn-link:hover {
  background-color: var(--color-bg);
  border-radius: 4px;
}

/* ===================================
   FORMS
   =================================== */
form {
  width: 100%;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.form-help {
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-sm) 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

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

.form-textarea {
  resize: vertical;
}

.form-input-group {
  position: relative;
}

.form-input-prefix {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  pointer-events: none;
}

.form-input-with-prefix {
  padding-left: 2rem;
}

/* Form Actions */
.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: var(--space-md);
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* Error Messages */
.form-errors {
  background-color: var(--color-error-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-error);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form-errors-container {
  display: flex;
}

.form-errors-icon {
  flex-shrink: 0;
}

.form-errors-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-error);
}

.form-errors-content {
  margin-left: 0.75rem;
}

.form-errors-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-error-dark);
  margin: 0 0 var(--space-sm) 0;
}

.form-errors-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-error-dark);
}

.form-errors-list li {
  margin-bottom: var(--space-xs);
}

/* ===================================
   FLASH MESSAGES
   =================================== */
.flash-message {
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
}

.flash-icon {
  flex-shrink: 0;
}

.flash-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.flash-content {
  flex: 1;
}

.flash-content p {
  font-size: 0.875rem;
  margin: 0;
}

.flash-dismiss {
  margin-left: auto;
  padding-left: 0.75rem;
  display: inline-flex;
  border-radius: var(--radius-sm);
  padding: 0.375rem;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: opacity 0.2s;
  font-size: 1.25rem;
  line-height: 1;
}

.flash-dismiss:hover {
  opacity: 0.75;
}

.flash-dismiss:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.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;
}

/* Flash Types */
.flash-success,
.flash-notice {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
}

.flash-success .flash-content p,
.flash-notice .flash-content p {
  color: var(--color-success-dark);
}

.flash-success .flash-dismiss,
.flash-notice .flash-dismiss {
  color: var(--color-success-dark);
}

.flash-error,
.flash-alert {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
}

.flash-error .flash-content p,
.flash-alert .flash-content p {
  color: var(--color-error-dark);
}

.flash-error .flash-dismiss,
.flash-alert .flash-dismiss {
  color: var(--color-error-dark);
}

.flash-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
}

.flash-warning .flash-content p {
  color: var(--color-warning-dark);
}

.flash-warning .flash-dismiss {
  color: var(--color-warning-dark);
}

.flash-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
}

.flash-info .flash-content p {
  color: var(--color-info-dark);
}

.flash-info .flash-dismiss {
  color: var(--color-info-dark);
}

/* ===================================
   SITES MODULE
   =================================== */

/* Page Headers */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
  margin: 0;
}

.page-subtitle {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Search and Filter Bar */
.filter-bar {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: end;
}

.filter-form > .form-group {
  flex: 1;
  min-width: 160px;
}

.filter-form > .flex-gap {
  margin-left: auto;
}

.filter-input {
  flex: 1;
  min-width: 200px;
}

.filter-select {
  min-width: 180px;
}

.filter-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Sites Grid */
.sites-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .sites-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .sites-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Site Card */
.site-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}

.site-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.site-card-link {
  display: block;
  padding: var(--space-lg);
  text-decoration: none;
  color: inherit;
}

.site-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.site-card-budget {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.site-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-sm) 0;
}

.site-card-client {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.site-card-client strong {
  font-weight: 600;
}

.site-card-location {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.site-card-location svg {
  width: 1rem;
  height: 1rem;
  margin-right: var(--space-xs);
  color: var(--color-text-muted);
}

.site-card-dates {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.site-card-actions {
  padding: 0 var(--space-lg) var(--space-md) var(--space-lg);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Site Detail Page */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.detail-item {
  grid-column: span 1;
}

.detail-item-full {
  grid-column: span 1;
}

@media (min-width: 640px) {
  .detail-item-full {
    grid-column: span 2;
  }
}

.detail-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.detail-value {
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  white-space: pre-line;
}

.detail-value-large {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.detail-notes {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
}

/* Module Placeholders */
.modules-grid {
  margin-top: var(--space-xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .modules-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.module-placeholder {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.module-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.module-status {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Back Link */
.back-link {
  display: inline-block;
  margin-bottom: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.back-link:hover {
  color: var(--color-primary-dark);
}

/* Metadata */
.metadata {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Action Row */
.action-row {
  display: flex;
  gap: 0.75rem;
}

/* Page Section */
.page-section {
  padding: var(--space-xl) 0;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  
  .nav-logo-text {
    font-size: 1.25rem;
  }
}

/* ===================================
   DASHBOARD & STAT CARDS
   =================================== */
.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
}

.stat-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: 1.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.25rem;
  color: var(--color-text-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stat-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.stat-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Filter Form */
.filter-form {
  width: 100%;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-bold {
  font-weight: 600;
}

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

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

/* ===================================
   ADDITIONAL STATUS COLORS
   =================================== */
.badge-danger,
.badge-over {
  background-color: var(--badge-cancelled-bg);
  color: var(--badge-cancelled-text);
}

.badge-info {
  background-color: var(--badge-completed-bg);
  color: var(--badge-completed-text);
}

.badge-good,
.badge-success {
  background-color: var(--badge-active-bg);
  color: var(--badge-active-text);
}

.badge-warning {
  background-color: var(--badge-on-hold-bg);
  color: var(--badge-on-hold-text);
}

.badge-error {
  background-color: var(--badge-cancelled-bg);
  color: var(--badge-cancelled-text);
}

.badge-gray {
  background-color: var(--badge-planning-bg);
  color: var(--badge-planning-text);
}

/* ===================================
   AUTHENTICATION STYLES
   =================================== */

/* Authentication Body */
.auth-body {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Authentication Container */
.auth-container {
  width: 100%;
  max-width: 400px;
}

/* Authentication Card */
.auth-card {
  background-color: var(--color-surface);
  border-radius: 4px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

/* Authentication Header */
.auth-header {
  background-color: var(--color-primary);
  padding: 2rem;
  text-align: center;
}

.auth-title {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.5px;
}

.auth-subtitle {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  font-weight: 500;
}

/* Authentication Form */
.auth-form {
  padding: 2rem;
}

/* Authentication Footer */
.auth-footer {
  background-color: var(--color-bg);
  padding: 1rem 2rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.auth-footer-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Block Button */
.btn-block {
  width: 100%;
  text-align: center;
}

/* User Navigation Dropdown */
.user-nav {
  position: relative;
  display: inline-block;
}

.user-nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: all 0.2s ease;
}

.user-nav-toggle:hover {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
}

.user-nav-name {
  font-weight: 600;
}

.user-nav-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.user-nav-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  padding-top: 0.5rem;
  display: none;
  z-index: 1000;
}

.user-nav-dropdown-menu {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  overflow: hidden;
}

.user-nav:hover .user-nav-dropdown {
  display: block;
}

.user-nav-dropdown-item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid var(--color-border);
}

.user-nav-dropdown-item:last-child {
  border-bottom: none;
}

.user-nav-dropdown-item:hover {
  background-color: var(--color-bg);
}

.user-nav-dropdown-item.danger {
  color: var(--color-error);
}

.user-nav-dropdown-item.danger:hover {
  background-color: var(--color-error-light);
}

/* Header Actions Update */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-badge {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: rgba(16, 185, 129, 0.1);
  border: 2px solid #10B981;
  border-radius: 4px;
}

/* ================================
   STAT ICON COLORS
   ================================ */
.stat-icon-primary {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-primary);
}

.stat-icon-blue {
  background-color: rgba(59, 130, 246, 0.1);
  color: #3B82F6;
}

.stat-icon-orange {
  background-color: rgba(245, 158, 11, 0.1);
  color: #F59E0B;
}

.stat-icon-red {
  background-color: rgba(239, 68, 68, 0.1);
  color: #EF4444;
}

/* ================================
   COST METRICS
   ================================ */
.cost-metric {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--color-bg);
  border-radius: 4px;
}

.cost-metric-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.cost-metric-value {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cost-metric-value-primary {
  color: var(--color-primary);
}

.cost-metric-value-orange {
  color: #F59E0B;
}

.cost-metric-value-blue {
  color: #3B82F6;
}

.cost-metric-percentage {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.progress-bar {
  margin-top: 1rem;
  height: 8px;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  transition: width 0.3s;
}

.progress-fill-primary {
  background-color: var(--color-primary);
}

.progress-fill-orange {
  background-color: #F59E0B;
}

.progress-fill-blue {
  background-color: #3B82F6;
}

/* ================================
   FLEXBOX UTILITIES
   ================================ */
.flex {
  display: flex;
}

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

.flex-center {
  display: flex;
  align-items: center;
}

.flex-gap {
  gap: 0.5rem;
}

.flex-gap-lg {
  gap: 1rem;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

/* ================================
   GRID UTILITIES
   ================================ */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* ================================
   SPACING UTILITIES
   ================================ */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-0 { padding: 0; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

/* ================================
   TEXT UTILITIES
   ================================ */
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-muted { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-error); }
.text-warning { color: #F59E0B; }
.text-white { color: white; }

/* ================================
   BORDER UTILITIES
   ================================ */
.border-top { border-top: 1px solid var(--color-border); }
.border-bottom { border-bottom: 1px solid var(--color-border); }

.pt-2 { padding-top: 1rem; }
.pb-2 { padding-bottom: 1rem; }

/* ================================
   CARD COMPONENTS
   ================================ */
.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.mt-4 { margin-top: 2rem; }

/* ================================
   PROGRESS BAR LARGE
   ================================ */
.progress-bar-lg {
  height: 20px;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill-warning {
  background-color: #F59E0B;
}

.progress-fill-danger {
  background-color: var(--color-error);
}

.progress-fill-purple {
  background-color: #8B5CF6;
}

/* ================================
   BUDGET COMPARISON
   ================================ */
.budget-comparison {
  padding: 1.5rem;
  background-color: var(--color-bg);
  border-radius: 4px;
}

/* ================================
   SECTION HEADER WITH ACTION
   ================================ */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.section-subtitle {
  margin: 0.25rem 0 0 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ================================
   HIDDEN FORM
   ================================ */
.hidden-form {
  display: none;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.ml-1 { margin-left: 0.5rem; }
.mt-1 { margin-top: 0.25rem; }

.overflow-x-auto {
  overflow-x: auto;
}

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

.text-xs {
  font-size: 0.75rem;
}

.flex-1 {
  flex: 1;
}

.align-items-end {
  align-items: end;
}

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

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

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

.text-dark {
  color: #1f2937;
}

.bg-muted {
  background-color: var(--color-bg);
}

.stat-icon-purple {
  background-color: rgba(139, 92, 246, 0.1);
  color: #8B5CF6;
}

.icon {
  width: 24px;
  height: 24px;
}

/* ================================
   SITE COST CARD
   ================================ */
.site-cost-card {
  padding: 1rem;
  background-color: var(--color-bg);
  border-radius: 4px;
}

.site-cost-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 0.5rem;
}

.site-cost-amount {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

.cost-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  font-size: 0.8rem;
}

/* ================================
   ACTIVITY ITEM
   ================================ */
.activity-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background-color: var(--color-bg);
  border-radius: 4px;
}

.activity-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  background-color: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3B82F6;
  font-size: 1.25rem;
}

.activity-icon-orange {
  background-color: rgba(245, 158, 11, 0.1);
  color: #F59E0B;
}

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

.activity-title {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.activity-meta {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.activity-value {
  text-align: right;
  flex-shrink: 0;
  font-weight: 600;
}

/* ================================
   List Components
   ================================ */

.list-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.list-item:hover {
  background-color: var(--color-bg);
}

/* Small Button Variant */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  min-width: auto;
}


/* ================================
   Admin Specific Styles
   ================================ */

.action-buttons {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.actions-column {
  width: 200px;
  text-align: right;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.alert-error h3 {
  color: #991b1b;
}

.error-list {
  margin: 0;
  padding-left: 1.25rem;
  list-style: disc;
}

.error-list li {
  margin-bottom: 0.25rem;
}

.link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.form-help {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* ===================================
   NAV ICONS
   =================================== */
.nav-link svg {
  width: 18px;
  height: 18px;
  margin-right: 6px;
  flex-shrink: 0;
}

/* ===================================
   STICKY NAV
   =================================== */
.nav-container {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

/* ===================================
   BOTTOM NAV (Mobile <768px)
   =================================== */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  z-index: 100;
  justify-content: space-around;
  align-items: center;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text-secondary);
  padding: 4px 12px;
  position: relative;
  cursor: pointer;
  flex: 1;
  max-width: 80px;
  transition: color 0.2s;
}

.bottom-nav-link svg {
  width: 22px;
  height: 22px;
}

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

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

.bottom-nav-label {
  font-size: 0.625rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}

.bottom-nav-more {
  position: relative;
}

/* Bottom Nav Dropdown */
.bottom-nav-dropdown {
  display: none;
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 8px;
  z-index: 200;
}

.bottom-nav-dropdown.open {
  display: block;
}

.bottom-nav-dropdown-menu {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  min-width: 200px;
  overflow: hidden;
}

.bottom-nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background-color 0.2s ease;
  border-bottom: 1px solid var(--color-border);
}

.bottom-nav-dropdown-item:last-child {
  border-bottom: none;
}

.bottom-nav-dropdown-item:hover {
  background-color: var(--color-bg);
}

.bottom-nav-dropdown-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.bottom-nav-dropdown-item.danger {
  color: var(--color-error);
}

.bottom-nav-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 4px 0;
}

.bottom-nav-dropdown-header {
  padding: 0.5rem 1rem 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bottom-nav-user {
  padding: 0 1rem 0.5rem;
}

.bottom-nav-user-name {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.bottom-nav-user-role {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ===================================
   MAIN CONTENT ADJUSTMENTS
   =================================== */
@media (max-width: 767px) {
  main {
    padding-bottom: 80px;
  }

  .footer {
    margin-bottom: 64px;
  }
}

/* ===================================
   TABLET & MOBILE RESPONSIVE
   =================================== */
@media (max-width: 1023px) {
  .nav-links {
    gap: var(--space-md);
  }
}

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .nav-brand {
    flex: 1;
    justify-content: center;
  }

  .nav-logo {
    align-items: center;
  }

  .nav-tagline {
    display: none;
  }

  .bottom-nav {
    display: flex;
  }
}