/* 
H24 DEBITOR MANAGEMENT SYSTEM - CORPORATE DESIGN CSS
Erstellt: 23. Juni 2025

H24 Corporate Design System Implementation
- Petrol (#003F47) als Primärfarbe
- Neongrün (#D4FF00) als Akzentfarbe  
- Bebas Neue für Headlines
- Lato für Body Text
- Responsive Design für Mobile/Desktop
*/

/* =============================================================================
   CSS VARIABLES - H24 DESIGN SYSTEM
   ============================================================================= */
:root {
  /* H24 Corporate Colors */
  --color-primary: #003F47;         /* Petrol */
  --color-accent: #D4FF00;          /* Neongrün */
  --color-secondary: #2C5F6A;       /* Heller Petrol */
  --color-tertiary: #B8FF66;       /* Helles Neongrün */
  
  /* Grayscale */
  --color-white: #FFFFFF;
  --color-light: #F8F9FA;
  --color-gray-100: #F1F3F4;
  --color-gray-200: #E9ECEF;
  --color-gray-300: #DEE2E6;
  --color-gray-400: #CED4DA;
  --color-gray-500: #ADB5BD;
  --color-gray-600: #6C757D;
  --color-gray-700: #495057;
  --color-gray-800: #343A40;
  --color-gray-900: #212529;
  --color-black: #000000;
  
  /* Status Colors */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-danger: #DC3545;
  --color-info: #17A2B8;
  
  /* Typography */
  --font-family-headings: 'Bebas Neue', sans-serif;
  --font-family-body: 'Lato', sans-serif;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  
  /* Spacing */
  --spacing-xs: 0.25rem;    /* 4px */
  --spacing-sm: 0.5rem;     /* 8px */
  --spacing-md: 1rem;       /* 16px */
  --spacing-lg: 1.5rem;     /* 24px */
  --spacing-xl: 2rem;       /* 32px */
  --spacing-xxl: 3rem;      /* 48px */
  
  /* Border Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-800);
  background-color: var(--color-light);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-headings);
  font-weight: var(--font-weight-normal);
  color: var(--color-primary);
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin: 0 0 var(--spacing-md) 0;
}

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

a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* =============================================================================
   LAYOUT COMPONENTS
   ============================================================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.main-content {
  flex: 1;
  padding: var(--spacing-lg) 0;
}

.page-content {
  min-height: calc(100vh - 200px);
}

/* =============================================================================
   H24 HEADER
   ============================================================================= */
.h24-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-container {
  background: var(--color-accent);
  color: var(--color-primary);
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-headings);
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.app-title {
  font-family: var(--font-family-headings);
  font-size: 1.75rem;
  color: var(--color-white);
  margin: 0;
  letter-spacing: 0.05em;
}

.app-subtitle {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: var(--font-weight-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Navigation */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  font-weight: var(--font-weight-normal);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
  text-decoration: none;
}

.nav-link.active {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-info:hover {
  background: rgba(255, 255, 255, 0.1);
}

.user-name {
  font-weight: var(--font-weight-bold);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  display: none;
}

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

.logout-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-danger);
  white-space: nowrap;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
}

.logout-link:hover {
  background: var(--color-gray-100);
  text-decoration: none;
}

/* =============================================================================
   H24 FOOTER
   ============================================================================= */
.h24-footer {
  background: var(--color-gray-800);
  color: var(--color-gray-300);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.app-name {
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.version {
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 0.125rem var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
}

/* =============================================================================
   LOGIN PAGE
   ============================================================================= */
.login-page {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.login-container {
  position: relative;
  width: 100%;
  max-width: 450px;
}

.login-background {
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  border-radius: var(--border-radius-lg);
}

.login-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xxl);
  backdrop-filter: blur(10px);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo {
  margin-bottom: var(--spacing-md);
}

.logo-h24 {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-family-headings);
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  letter-spacing: 0.1em;
  box-shadow: var(--shadow-md);
}

.login-title {
  font-family: var(--font-family-headings);
  font-size: 2rem;
  color: var(--color-primary);
  margin: var(--spacing-md) 0 var(--spacing-sm) 0;
  letter-spacing: 0.05em;
}

.login-subtitle {
  color: var(--color-gray-600);
  font-size: 1rem;
  margin: 0;
}

/* Login Form */
.login-form {
  margin-bottom: var(--spacing-xl);
}

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

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 63, 71, 0.1);
}

.form-group-checkbox {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.checkbox-input {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-400);
  border-radius: var(--border-radius-sm);
  position: relative;
  transition: all var(--transition-fast);
}

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

.checkbox-input:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
}

.login-button {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.login-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.login-info {
  margin-bottom: var(--spacing-xl);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-gray-600);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

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

.properties-title {
  font-size: 1rem;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-md);
}

.properties-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.property-badge {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

/* =============================================================================
   FLASH MESSAGES & ALERTS
   ============================================================================= */
.flash-messages {
  margin-bottom: var(--spacing-lg);
}

.alert {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-normal);
}

.alert-success {
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-error {
  background: rgba(220, 53, 69, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  color: #856404;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.alert-info {
  background: rgba(23, 162, 184, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(23, 162, 184, 0.3);
}

.alert-dismissible {
  padding-right: 3rem;
  position: relative;
}

.alert-close {
  position: absolute;
  top: 50%;
  right: var(--spacing-md);
  transform: translateY(-50%);
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.25rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: var(--color-white);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-white);
}

.btn-warning {
  background: var(--color-warning);
  color: var(--color-white);
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-secondary {
  background: var(--color-gray-500);
  color: var(--color-white);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
}

/* =============================================================================
   PAGE HEADER
   ============================================================================= */
.page-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-gray-200);
}

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

.page-title {
  font-family: var(--font-family-headings);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin: 0;
}

.page-subtitle {
  color: var(--color-gray-600);
  font-size: 1.1rem;
  margin: var(--spacing-xs) 0 0 0;
}

.header-right {
  display: flex;
  gap: var(--spacing-md);
}

/* =============================================================================
   DASHBOARD COMPONENTS
   ============================================================================= */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.metric-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: all var(--transition-fast);
  border-left: 4px solid var(--color-primary);
}

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

.metric-card.alert-card {
  border-left-color: var(--color-danger);
}

.metric-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.alert-card .metric-icon {
  background: linear-gradient(135deg, var(--color-danger) 0%, #e74c3c 100%);
}

.metric-content {
  flex: 1;
}

.metric-value {
  font-family: var(--font-family-headings);
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.alert-card .metric-value {
  color: var(--color-danger);
}

.metric-label {
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-xs);
}

.metric-change {
  font-size: 0.875rem;
}

.change-positive { color: var(--color-success); }
.change-negative { color: var(--color-danger); }
.change-warning { color: var(--color-warning); }
.change-neutral { color: var(--color-gray-500); }

/* Dashboard Sections */
.dashboard-section {
  margin-bottom: var(--spacing-xxl);
}

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

.section-title {
  font-family: var(--font-family-headings);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Property Cards */
.property-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.property-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
}

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

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

.property-name {
  font-family: var(--font-family-headings);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 0;
}

.property-status {
  font-size: 1.25rem;
}

.property-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.property-metric {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.property-metric.alert {
  color: var(--color-danger);
}

.property-metric.property-metric-overdue {
  color: var(--color-danger);
}

.property-metric .metric-label {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  font-weight: var(--font-weight-normal);
}

.property-metric .metric-value {
  font-family: var(--font-family-headings);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.property-metric.alert .metric-value {
  color: var(--color-danger);
}

.property-metric.property-metric-overdue .metric-value {
  color: var(--color-danger);
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.quick-action-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.quick-action-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
}

.action-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-md);
  background: var(--color-accent);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.action-content h3 {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.action-content p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin: 0;
}

/* =============================================================================
   TABLES
   ============================================================================= */
.table-container {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-bold);
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 2px solid var(--color-gray-200);
}

.data-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: top;
}

.data-table tbody tr:hover {
  background: var(--color-gray-50);
}

.row-overdue {
  background: rgba(220, 53, 69, 0.05);
}

.row-overdue:hover {
  background: rgba(220, 53, 69, 0.1);
}

/* Table Content Styles */
.debtor-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.debtor-name {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.debtor-contact {
  font-size: 0.75rem;
  color: var(--color-gray-600);
}

.date-overdue {
  color: var(--color-danger);
  font-weight: var(--font-weight-bold);
}

.days-overdue {
  background: var(--color-danger);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.amount-overdue {
  font-family: var(--font-family-headings);
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-danger);
}

.action-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* Property Badges */
.property-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.property-shb { background: #e3f2fd; color: #1976d2; }
.property-h24ew { background: #f3e5f5; color: #7b1fa2; }
.property-h24wb { background: #e8f5e8; color: #388e3c; }
.property-hotsbrg { background: #fff3e0; color: #f57c00; }

/* Status Badges */
.status-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.status-open {
  background: rgba(23, 162, 184, 0.1);
  color: var(--color-info);
  border: 1px solid rgba(23, 162, 184, 0.3);
}

.status-overdue {
  background: rgba(220, 53, 69, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.status-partial {
  background: rgba(255, 193, 7, 0.1);
  color: #856404;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.status-paid {
  background: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.status-cancelled {
  background: rgba(108, 117, 125, 0.1);
  color: var(--color-gray-600);
  border: 1px solid rgba(108, 117, 125, 0.3);
}

/* =============================================================================
   FORMS
   ============================================================================= */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 63, 71, 0.1);
}

.property-filter {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  background: var(--color-white);
  font-size: 0.875rem;
}

/* Filter Header Actions */
.filter-header-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.filter-header-actions .btn {
  white-space: nowrap;
}

/* Filter Active State Indicator */
.filter-active {
  position: relative;
}

.filter-active::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 2px solid var(--color-white);
}

/* =============================================================================
   MODAL
   ============================================================================= */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-md);
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  margin: 0;
  color: var(--color-primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-gray-700);
}

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

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  animation: progress-animation 2s infinite;
}

@keyframes progress-animation {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

/* =============================================================================
   UTILITY CLASSES
   ============================================================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-gray-500); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* =============================================================================
   TOOLTIPS & INFO ICONS
   ============================================================================= */

/* Info icon styling */
.bi-info-circle {
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin-left: 4px;
  cursor: help;
  transition: color 0.2s ease;
}

.bi-info-circle:hover {
  color: var(--color-primary);
}

/* Bootstrap tooltip improvements */
.tooltip {
  font-family: var(--font-family-body);
  font-size: 0.75rem;
  z-index: 9999;
}

.tooltip-inner {
  background-color: var(--color-gray-800);
  color: var(--color-white);
  border-radius: 6px;
  padding: 8px 12px;
  max-width: 250px;
  text-align: left;
}

.tooltip.bs-tooltip-top .tooltip-arrow {
  border-top-color: var(--color-gray-800);
}

.tooltip.bs-tooltip-bottom .tooltip-arrow {
  border-bottom-color: var(--color-gray-800);
}

/* Metric label improvements */
.metric-label {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* =============================================================================
   RESPONSIVE DESIGN
   ============================================================================= */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .property-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  
  .header-right {
    justify-content: center;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .login-card {
    padding: var(--spacing-lg);
  }
  
  .data-table {
    font-size: 0.75rem;
  }
  
  .data-table th,
  .data-table td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .metric-card {
    flex-direction: column;
    text-align: center;
  }
  
  .quick-action-card {
    flex-direction: column;
    text-align: center;
  }
  
  .property-metrics {
    grid-template-columns: 1fr;
  }
}