/* OSSIAN - Property Management System
   Branding: Poppins typography, #b39f6b feature color, 5px radius, no shadows
   Clean, white background design
*/

/* Google Font Import */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  /* Brand Colors */
  --ossian-primary: #b39f6b;
  --ossian-primary-light: #d4c9a8;
  --ossian-primary-dark: #8a7a52;
  --ossian-primary-bg: #f9f7f2;
  
  /* Neutral Colors */
  --ossian-white: #ffffff;
  --ossian-bg: #fafafa;
  --ossian-border: #e5e5e5;
  --ossian-text: #1a1a1a;
  --ossian-text-secondary: #666666;
  --ossian-text-muted: #999999;
  
  /* Status Colors */
  --ossian-success: #22c55e;
  --ossian-warning: #f59e0b;
  --ossian-error: #ef4444;
  --ossian-info: #3b82f6;
  
  /* Role Colors */
  --role-admin: #7c3aed;
  --role-landlord: #059669;
  --role-tenant: #2563eb;
  --role-contractor: #d97706;
  
  /* Typography */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  
  /* Shadows - NONE (clean design) */
  --shadow-none: none;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--ossian-bg);
  color: var(--ossian-text);
  min-height: 100vh;
}

/* Remove all shadows */
* {
  box-shadow: none !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--ossian-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--ossian-text-secondary);
}

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

a:hover {
  color: var(--ossian-primary-dark);
}

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

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.page-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: var(--spacing-xl);
  margin-left: 250px;
}

/* Navigation */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 250px;
  height: 100vh;
  background: var(--ossian-white);
  border-right: 1px solid var(--ossian-border);
  padding: var(--spacing-lg);
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--ossian-border);
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--ossian-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.brand-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--ossian-text);
  letter-spacing: -0.5px;
}

.nav-menu {
  list-style: none;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--ossian-text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  background: var(--ossian-primary-bg);
  color: var(--ossian-primary-dark);
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-section {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ossian-text-muted);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
  margin-top: var(--spacing-md);
}

/* Top Bar */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--ossian-white);
  border-bottom: 1px solid var(--ossian-border);
  margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)) var(--spacing-xl);
  padding-top: var(--spacing-xl);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

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

.role-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-badge.admin {
  background: var(--role-admin);
  color: white;
}

.role-badge.landlord {
  background: var(--role-landlord);
  color: white;
}

.role-badge.tenant {
  background: var(--role-tenant);
  color: white;
}

.role-badge.contractor {
  background: var(--role-contractor);
  color: white;
}

/* Cards */
.card {
  background: var(--ossian-white);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--ossian-border);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--ossian-text-muted);
  margin-top: var(--spacing-xs);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Stats */
.stat-card {
  background: var(--ossian-white);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--ossian-text-muted);
  font-weight: 500;
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--ossian-text);
}

.stat-change {
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.stat-change.positive {
  color: var(--ossian-success);
}

.stat-change.negative {
  color: var(--ossian-error);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--ossian-primary);
  color: white;
  border-color: var(--ossian-primary);
}

.btn-primary:hover {
  background: var(--ossian-primary-dark);
  border-color: var(--ossian-primary-dark);
  color: white;
}

.btn-secondary {
  background: var(--ossian-white);
  color: var(--ossian-text);
  border-color: var(--ossian-border);
}

.btn-secondary:hover {
  background: var(--ossian-bg);
  border-color: var(--ossian-primary);
  color: var(--ossian-primary);
}

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

.btn-outline:hover {
  background: var(--ossian-primary-bg);
}

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

.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
}

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

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--ossian-text);
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background: var(--ossian-white);
  color: var(--ossian-text);
  transition: border-color var(--transition-fast);
}

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

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

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--ossian-text-muted);
  margin-top: var(--spacing-xs);
}

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

/* Tables */
.table-container {
  overflow-x: auto;
}

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

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--ossian-border);
}

.table th {
  font-weight: 600;
  color: var(--ossian-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--ossian-bg);
}

.table tr:hover td {
  background: var(--ossian-primary-bg);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: var(--spacing-xs);
}

.status-open {
  background: #fef3c7;
  color: #92400e;
}

.status-open::before {
  background: #f59e0b;
}

.status-in-progress {
  background: #dbeafe;
  color: #1e40af;
}

.status-in-progress::before {
  background: #3b82f6;
}

.status-completed {
  background: #d1fae5;
  color: #065f46;
}

.status-completed::before {
  background: #10b981;
}

.status-urgent {
  background: #fee2e2;
  color: #991b1b;
}

.status-urgent::before {
  background: #ef4444;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ossian-primary-bg) 0%, var(--ossian-white) 100%);
  padding: var(--spacing-md);
}

.login-card {
  background: var(--ossian-white);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 420px;
}

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

.login-logo {
  width: 60px;
  height: 60px;
  background: var(--ossian-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-md);
}

.login-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  color: var(--ossian-text-muted);
  font-size: var(--font-size-sm);
}

.role-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.role-option {
  position: relative;
}

.role-option input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
}

.role-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  border: 2px solid var(--ossian-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--ossian-white);
}

.role-option input:checked + label {
  border-color: var(--ossian-primary);
  background: var(--ossian-primary-bg);
}

.role-option input:checked + label .role-icon {
  background: var(--ossian-primary);
  color: white;
}

.role-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  background: var(--ossian-bg);
  color: var(--ossian-text-secondary);
}

.role-option input:checked + label .role-icon {
  background: var(--ossian-primary);
  color: white;
}

.role-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--ossian-text-secondary);
}

.role-option input:checked + label .role-label {
  color: var(--ossian-primary-dark);
  font-weight: 600;
}

/* Chat Interface */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  background: var(--ossian-white);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.chat-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--ossian-border);
  background: var(--ossian-bg);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.chat-message {
  max-width: 80%;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.chat-message.user {
  align-self: flex-end;
  background: var(--ossian-primary);
  color: white;
}

.chat-message.assistant {
  align-self: flex-start;
  background: var(--ossian-bg);
  border: 1px solid var(--ossian-border);
}

.chat-message.escalation {
  align-self: flex-start;
  background: #fef3c7;
  border: 1px solid #f59e0b;
}

.chat-input-area {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--ossian-border);
  background: var(--ossian-bg);
  display: flex;
  gap: var(--spacing-sm);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

.chat-input:focus {
  outline: none;
  border-color: var(--ossian-primary);
}

/* Document Upload */
.upload-zone {
  border: 2px dashed var(--ossian-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--ossian-primary);
  background: var(--ossian-primary-bg);
}

.upload-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-md);
  color: var(--ossian-primary);
}

.upload-text {
  font-size: var(--font-size-base);
  color: var(--ossian-text);
  margin-bottom: var(--spacing-xs);
}

.upload-hint {
  font-size: var(--font-size-sm);
  color: var(--ossian-text-muted);
}

/* Maintenance Cards */
.maintenance-card {
  background: var(--ossian-white);
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

.maintenance-title {
  font-weight: 600;
  font-size: var(--font-size-base);
}

.maintenance-meta {
  font-size: var(--font-size-xs);
  color: var(--ossian-text-muted);
}

.maintenance-description {
  font-size: var(--font-size-sm);
  color: var(--ossian-text-secondary);
  line-height: 1.5;
}

.maintenance-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--ossian-border);
}

/* Search & Filter */
.search-bar {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.search-input {
  flex: 1;
  position: relative;
}

.search-input input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 40px;
  border: 1px solid var(--ossian-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

.search-input svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ossian-text-muted);
  width: 18px;
  height: 18px;
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  color: var(--ossian-border);
}

.empty-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.empty-description {
  font-size: var(--font-size-sm);
  color: var(--ossian-text-muted);
  max-width: 400px;
  margin: 0 auto var(--spacing-lg);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
}

.modal {
  background: var(--ossian-white);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ossian-text-muted);
  padding: var(--spacing-xs);
}

.modal-close:hover {
  color: var(--ossian-text);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--ossian-border);
  background: var(--ossian-bg);
}

/* Loading States */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--ossian-border);
  border-top-color: var(--ossian-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .role-selector {
    grid-template-columns: 1fr;
  }

  .top-bar {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

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

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

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

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

.text-error {
  color: var(--ossian-error);
}

.bg-primary-bg {
  background: var(--ossian-primary-bg);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.flex {
  display: flex;
}

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

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

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }