/* 
  Work Order & CRM System - Styles
  Minimalist Google/Apple-inspired design
*/

:root {
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --secondary: #5f6368;
  --success: #1e8e3e;
  --warning: #f9ab00;
  --danger: #d93025;
  --bg: #f8f9fa;
  --surface: #ffffff;
  --text: #202124;
  --text-secondary: #5f6368;
  --border: #dadce0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Login Overlay */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
}

.login-overlay.hidden {
  display: none;
}

.login-card {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
}

.login-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
}

.login-error {
  background: #fce8e6;
  color: var(--danger);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid #f5c6cb;
}

/* Header */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header h1 {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 24px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 6px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

.btn-secondary {
  background: #e8eaed;
  color: var(--text);
}

.btn-secondary:hover {
  background: #d2d5d9;
}

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

.btn-danger:hover {
  background: #b5221b;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background var(--transition);
}

.btn-icon:hover {
  background: #e8eaed;
}

.btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  font-size: 13px;
}

.btn-logout:hover {
  background: #fce8e6;
  color: var(--danger);
  border-color: var(--danger);
}

/* Tab Navigation */
.tab-nav {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  overflow-x: auto;
}

.tab-nav button {
  background: none;
  border: none;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.tab-nav button:hover {
  color: var(--primary);
}

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

/* Main Content */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

/* Tab Panels */
.tab-panel {
  display: none;
}

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

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  border: 1px solid var(--border);
}

.card-header {
  margin-bottom: 20px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--surface);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
}

/* Filters Bar */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-btn {
  background: #e8eaed;
  border: none;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-secondary);
}

.filter-btn:hover {
  background: #d2d5d9;
}

.filter-btn.active {
  background: var(--primary);
  color: #fff;
}

.search-input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  min-width: 200px;
  transition: border-color var(--transition);
}

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

/* Work Order Cards */
.wo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.wo-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.wo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.wo-card-title {
  font-size: 15px;
  font-weight: 600;
}

.wo-card-id {
  font-size: 12px;
  color: var(--text-secondary);
}

.wo-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-pending {
  background: #fef7e0;
  color: #b06000;
}

.badge-in-progress {
  background: #e8f0fe;
  color: #1a73e8;
}

.badge-completed {
  background: #e6f4ea;
  color: #1e8e3e;
}

.badge-low {
  background: #e8eaed;
  color: #5f6368;
}

.badge-medium {
  background: #fef7e0;
  color: #b06000;
}

.badge-high {
  background: #fce8e6;
  color: #d93025;
}

.badge-urgent {
  background: #d93025;
  color: #fff;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: #e8eaed;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* Steps / Checklist */
.steps-container {
  margin-top: 8px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid #f1f3f4;
}

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

.step-item input[type="text"] {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
}

.step-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.step-remove {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 24px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close:hover {
  background: #e8eaed;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 11000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.toast-success {
  border-left: 4px solid var(--success);
}

.toast.toast-error {
  border-left: 4px solid var(--danger);
}

.toast.toast-info {
  border-left: 4px solid var(--primary);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* CRM Layout */
.crm-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .crm-layout {
    grid-template-columns: 1fr;
  }
}

.client-item {
  padding: 12px;
  border-bottom: 1px solid #f1f3f4;
  cursor: pointer;
  transition: background var(--transition);
  border-radius: 4px;
}

.client-item:hover {
  background: #f8f9fa;
}

.client-item.active {
  background: #e8f0fe;
}

.client-item-name {
  font-weight: 500;
  font-size: 14px;
}

.client-item-email {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Notifications List */
.notif-item {
  padding: 14px 20px;
  border-bottom: 1px solid #f1f3f4;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

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

.notif-icon {
  font-size: 20px;
}

.notif-content {
  flex: 1;
}

.notif-text {
  font-size: 14px;
}

.notif-time {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Settings */
.settings-section {
  margin-bottom: 20px;
}

.settings-label {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.settings-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Utility Classes */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state-text {
  font-size: 15px;
}

/* Detail View */
.detail-section {
  margin-bottom: 16px;
}

.detail-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.detail-value {
  font-size: 14px;
}

/* Responsive */
@media (max-width: 600px) {
  .app-header {
    padding: 12px 16px;
  }
  
  .main-content {
    padding: 16px;
  }
  
  .tab-nav {
    padding: 0 12px;
  }
  
  .login-card {
    padding: 32px 24px;
    margin: 16px;
  }
}