/* 
 * Premium CRM, HRM & Client Portal Stylesheet
 * 
 * Featuring: Glassmorphism, Dark Mode Support, CSS Grid,
 * CRM Kanban Boards, HRM Timesheets, and Interactive builders.
 */

:root {
  /* Light Theme Variables */
  --wpcp-bg: #f8fafc;
  --wpcp-card-bg: rgba(255, 255, 255, 0.85);
  --wpcp-card-border: rgba(226, 232, 240, 0.8);
  --wpcp-text-main: #0f172a;
  --wpcp-text-muted: #64748b;
  --wpcp-border: #e2e8f0;
  
  /* Status Colors */
  --wpcp-success: #10b981;
  --wpcp-success-light: #ecfdf5;
  --wpcp-warning: #f59e0b;
  --wpcp-warning-light: #fffbeb;
  --wpcp-danger: #ef4444;
  --wpcp-danger-light: #fef2f2;
  --wpcp-info: #3b82f6;
  --wpcp-info-light: #eff6ff;

  /* Layout and Styling Accents */
  --wpcp-radius-sm: 8px;
  --wpcp-radius-md: 12px;
  --wpcp-radius-lg: 20px;
  --wpcp-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 8px -1px rgba(15, 23, 42, 0.04);
  --wpcp-shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --wpcp-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
.wpcp-dark-theme {
  --wpcp-bg: #090d16;
  --wpcp-card-bg: rgba(21, 28, 45, 0.8);
  --wpcp-card-border: rgba(30, 41, 59, 0.8);
  --wpcp-text-main: #f1f5f9;
  --wpcp-text-muted: #94a3b8;
  --wpcp-border: #1e293b;
  
  --wpcp-success-light: rgba(16, 185, 129, 0.1);
  --wpcp-warning-light: rgba(245, 158, 11, 0.1);
  --wpcp-danger-light: rgba(239, 68, 68, 0.1);
  --wpcp-info-light: rgba(59, 130, 246, 0.1);
  --wpcp-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3), 0 2px 8px -1px rgba(0, 0, 0, 0.2);
}

/* Reset and Layout Scaffolding */
.wpcp-portal-layout * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

.wpcp-portal-layout {
  display: flex;
  background-color: var(--wpcp-bg);
  min-height: 100vh;
  color: var(--wpcp-text-main);
  position: relative;
  overflow: hidden;
  transition: var(--wpcp-transition);
}

/* Custom Login Styles */
.wpcp-login-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: 20px;
}

.wpcp-login-container {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  backdrop-filter: blur(12px);
  border-radius: var(--wpcp-radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--wpcp-shadow-lg);
  animation: wpcpFadeUp 0.6s ease-out;
}

.wpcp-login-header {
  text-align: center;
  margin-bottom: 30px;
}

.wpcp-login-logo {
  background: var(--wpcp-brand);
  color: white;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 16px;
  box-shadow: 0 8px 16px -4px var(--wpcp-brand);
}

.wpcp-login-logo svg {
  width: 28px;
  height: 28px;
}

.wpcp-login-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}

.wpcp-login-header p {
  color: var(--wpcp-text-muted);
  font-size: 14px;
}

.wpcp-login-error {
  background: var(--wpcp-danger-light);
  border: 1px solid var(--wpcp-danger);
  border-radius: var(--wpcp-radius-sm);
  padding: 12px;
  margin-bottom: 20px;
  color: var(--wpcp-danger);
  font-size: 14px;
  text-align: center;
}

/* Sidebar Navigation */
.wpcp-sidebar {
  width: 280px;
  background: var(--wpcp-card-bg);
  border-right: 1px solid var(--wpcp-card-border);
  backdrop-filter: blur(15px);
  display: flex;
  flex-direction: column;
  padding: 24px;
  z-index: 10;
  transition: var(--wpcp-transition);
}

.wpcp-sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.wpcp-brand-logo {
  background: var(--wpcp-brand);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 10px rgba(114, 9, 183, 0.2);
}

.wpcp-brand-logo svg {
  width: 20px;
  height: 20px;
}

.wpcp-brand-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
}

.wpcp-sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.wpcp-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--wpcp-radius-md);
  color: var(--wpcp-text-muted);
  text-decoration: none !important;
  font-weight: 500;
  font-size: 15px;
  transition: var(--wpcp-transition);
}

.wpcp-nav-item:hover {
  background: rgba(114, 9, 183, 0.05);
  color: var(--wpcp-brand);
}

.wpcp-nav-item.active {
  background: var(--wpcp-brand);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(114, 9, 183, 0.3);
}

.wpcp-nav-icon {
  width: 20px;
  height: 20px;
}

.wpcp-sidebar-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--wpcp-border);
  padding-top: 20px;
  margin-top: 20px;
}

.wpcp-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--wpcp-brand);
}

.wpcp-user-info {
  display: flex;
  flex-direction: column;
}

.wpcp-user-name {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}

.wpcp-logout-link {
  font-size: 12px;
  color: var(--wpcp-text-muted);
  text-decoration: none;
  transition: var(--wpcp-transition);
}

.wpcp-logout-link:hover {
  color: var(--wpcp-danger);
}

/* Main Viewport & Header */
.wpcp-main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 40px;
  overflow-y: auto;
  max-height: 100vh;
}

.wpcp-portal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
}

.wpcp-date-today {
  font-size: 13px;
  color: var(--wpcp-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.wpcp-welcome-title {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin-top: 4px;
}

/* Staff Clock in Header */
.wpcp-clock-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--wpcp-shadow);
}

.clock-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--wpcp-danger);
}

.wpcp-clock-active .clock-status-dot {
  background: var(--wpcp-success);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.9); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.wpcp-theme-toggle {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  color: var(--wpcp-text-main);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--wpcp-shadow);
  transition: var(--wpcp-transition);
}

.wpcp-theme-toggle:hover {
  transform: translateY(-2px);
}

.wpcp-theme-toggle svg {
  width: 20px;
  height: 20px;
}

.wpcp-theme-toggle .moon-icon {
  display: none;
}

.wpcp-dark-theme .wpcp-theme-toggle .sun-icon {
  display: none;
}

.wpcp-dark-theme .wpcp-theme-toggle .moon-icon {
  display: block;
}

.wpcp-viewport {
  flex: 1;
  position: relative;
}

/* Common Components */
.wpcp-card {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: var(--wpcp-radius-lg);
  padding: 28px;
  box-shadow: var(--wpcp-shadow);
  transition: var(--wpcp-transition);
}

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

.wpcp-grid {
  display: grid;
  gap: 24px;
}

.wpcp-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.wpcp-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

/* Loading Spinner */
.wpcp-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
}

.wpcp-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--wpcp-border);
  border-top-color: var(--wpcp-brand);
  border-radius: 50%;
  animation: wpcpSpin 1s infinite linear;
}

/* Dashboard Summary Cards */
.wpcp-stat-card {
  position: relative;
  overflow: hidden;
}

.wpcp-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--wpcp-brand);
}

.wpcp-stat-card.wpcp-stat-active::before { background: var(--wpcp-info); }
.wpcp-stat-card.wpcp-stat-unpaid::before { background: var(--wpcp-danger); }
.wpcp-stat-card.wpcp-stat-pending::before { background: var(--wpcp-warning); }

.wpcp-stat-header {
  display: flex;
  justify-content: space-between;
  color: var(--wpcp-text-muted);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 12px;
}

.wpcp-stat-header svg {
  width: 20px;
  height: 20px;
}

.wpcp-stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 6px;
}

.wpcp-stat-desc {
  font-size: 12px;
  color: var(--wpcp-text-muted);
}

/* Forms & Inputs */
.wpcp-input-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wpcp-input-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--wpcp-text-muted);
}

.wpcp-input-row {
  display: flex;
  gap: 16px;
}

.wpcp-input-row .wpcp-input-group {
  flex: 1;
}

.wpcp-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--wpcp-border);
  border-radius: var(--wpcp-radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--wpcp-text-main);
  outline: none;
  transition: var(--wpcp-transition);
}

.wpcp-input:focus {
  border-color: var(--wpcp-brand);
  box-shadow: 0 0 0 3px rgba(114, 9, 183, 0.15);
}

.wpcp-login-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  font-size: 13px;
}

.wpcp-remember-me {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.wpcp-forgot-password {
  color: var(--wpcp-brand);
  text-decoration: none;
  font-weight: 500;
}

.wpcp-forgot-password:hover {
  text-decoration: underline;
}

/* Buttons */
.wpcp-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--wpcp-radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--wpcp-transition);
}

.wpcp-btn-block {
  display: flex;
  width: 100%;
}

.wpcp-btn-primary {
  background: var(--wpcp-brand);
  color: white;
  box-shadow: 0 4px 12px -2px rgba(114, 9, 183, 0.3);
}

.wpcp-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -4px rgba(114, 9, 183, 0.4);
}

.wpcp-btn-secondary {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-border);
  color: var(--wpcp-text-main);
}

.wpcp-btn-secondary:hover {
  background: var(--wpcp-border);
}

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

/* Badge System */
.wpcp-badge {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wpcp-badge-success { background: var(--wpcp-success-light); color: var(--wpcp-success); }
.wpcp-badge-warning { background: var(--wpcp-warning-light); color: var(--wpcp-warning); }
.wpcp-badge-danger { background: var(--wpcp-danger-light); color: var(--wpcp-danger); }
.wpcp-badge-info { background: var(--wpcp-info-light); color: var(--wpcp-info); }

/* Projects & Milestones Section */
.wpcp-project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.wpcp-progress-bar-container {
  width: 100%;
  height: 6px;
  background: var(--wpcp-border);
  border-radius: 9999px;
  margin: 16px 0;
  overflow: hidden;
}

.wpcp-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--wpcp-brand) 0%, var(--wpcp-info) 100%);
  border-radius: 9999px;
  transition: width 1s ease-out;
}

.wpcp-tasks-section {
  margin-top: 30px;
}

.wpcp-tasks-section h4 {
  font-family: 'Outfit', sans-serif;
  margin-bottom: 16px;
}

.wpcp-task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--wpcp-bg);
  border: 1px solid var(--wpcp-border);
  border-radius: var(--wpcp-radius-md);
  margin-bottom: 10px;
  transition: var(--wpcp-transition);
}

.wpcp-task-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--wpcp-brand);
}

.wpcp-task-text {
  font-size: 14px;
}

.wpcp-task-item.completed .wpcp-task-text {
  text-decoration: line-through;
  color: var(--wpcp-text-muted);
}

/* CRM KANBAN BOARD SYSTEM */
.wpcp-kanban-board {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 10px 0 24px 0;
  min-height: 500px;
  align-items: flex-start;
}

.wpcp-kanban-column {
  flex: 1;
  min-width: 280px;
  max-width: 320px;
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: var(--wpcp-radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--wpcp-shadow);
  max-height: 75vh;
}

.wpcp-kanban-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.wpcp-kanban-column-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.wpcp-kanban-card-count {
  background: var(--wpcp-border);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--wpcp-text-muted);
}

.wpcp-kanban-cards-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  flex: 1;
  min-height: 100px;
}

.wpcp-kanban-card {
  background: var(--wpcp-bg);
  border: 1px solid var(--wpcp-border);
  border-radius: var(--wpcp-radius-sm);
  padding: 16px;
  cursor: grab;
  transition: var(--wpcp-transition);
}

.wpcp-kanban-card:hover {
  transform: translateY(-2px);
  border-color: var(--wpcp-brand);
  box-shadow: var(--wpcp-shadow);
}

.wpcp-kanban-card:active {
  cursor: grabbing;
}

.wpcp-kanban-card-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.wpcp-kanban-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 12px;
  color: var(--wpcp-text-muted);
}

.wpcp-kanban-card-amount {
  font-weight: 700;
  color: var(--wpcp-brand);
}

/* HRM Timesheet Logging View */
.wpcp-timesheet-header-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.wpcp-timesheet-clocker {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Invoices & Table System */
.wpcp-table-container {
  overflow-x: auto;
  margin-top: 20px;
}

.wpcp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.wpcp-table th {
  padding: 16px 20px;
  border-bottom: 2px solid var(--wpcp-border);
  color: var(--wpcp-text-muted);
  font-weight: 600;
  font-size: 13px;
}

.wpcp-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--wpcp-border);
  font-size: 14px;
}

.wpcp-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Document & Invoice Creator Forms */
.invoice-builder-items-table {
  width: 100%;
  margin-top: 20px;
  border-collapse: collapse;
}

.invoice-builder-items-table th {
  padding: 12px;
  background: var(--wpcp-bg);
  border: 1px solid var(--wpcp-border);
  font-size: 13px;
  text-align: left;
}

.invoice-builder-items-table td {
  padding: 8px;
  border: 1px solid var(--wpcp-border);
}

.wpcp-builder-input {
  border: none;
  background: transparent;
  padding: 6px;
  width: 100%;
  color: var(--wpcp-text-main);
  outline: none;
}

.wpcp-builder-input:focus {
  background: rgba(114, 9, 183, 0.05);
}

/* Invoice Document View */
.wpcp-invoice-doc {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: var(--wpcp-radius-lg);
  padding: 48px;
  box-shadow: var(--wpcp-shadow-lg);
  max-width: 800px;
  margin: 0 auto;
}

.wpcp-invoice-doc-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}

.wpcp-invoice-doc-meta {
  text-align: right;
}

.wpcp-invoice-doc-meta h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 24px;
  color: var(--wpcp-brand);
}

.wpcp-invoice-bill-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  font-size: 14px;
}

.wpcp-invoice-total-section {
  display: flex;
  justify-content: flex-end;
  margin-top: 30px;
  font-size: 16px;
}

.wpcp-invoice-total-box {
  border-top: 2px solid var(--wpcp-border);
  padding-top: 15px;
  width: 250px;
  text-align: right;
}

/* Messaging / Discussion Panel */
.wpcp-chat-container {
  display: flex;
  flex-direction: column;
  height: 560px;
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: var(--wpcp-radius-lg);
  overflow: hidden;
}

.wpcp-chat-messages {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wpcp-chat-bubble-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 70%;
}

.wpcp-chat-bubble-wrapper.admin-msg {
  align-self: flex-start;
}

.wpcp-chat-bubble-wrapper.client-msg {
  align-self: flex-end;
}

.wpcp-msg-info {
  font-size: 11px;
  color: var(--wpcp-text-muted);
  margin-bottom: 4px;
  display: flex;
  gap: 8px;
}

.wpcp-chat-bubble-wrapper.client-msg .wpcp-msg-info {
  align-self: flex-end;
}

.wpcp-chat-bubble {
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.admin-msg .wpcp-chat-bubble {
  background: var(--wpcp-border);
  border-bottom-left-radius: 4px;
}

.client-msg .wpcp-chat-bubble {
  background: var(--wpcp-brand);
  color: white;
  border-bottom-right-radius: 4px;
}

.wpcp-msg-attachment {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  font-size: 12px;
  text-decoration: none !important;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.client-msg .wpcp-msg-attachment {
  background: rgba(255, 255, 255, 0.15);
}

.wpcp-chat-input-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--wpcp-border);
}

/* Signature Canvas */
.wpcp-signature-area {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
  background: var(--wpcp-bg);
  padding: 24px;
  border-radius: var(--wpcp-radius-md);
  border: 1px dashed var(--wpcp-border);
}

.wpcp-sig-canvas {
  background: #ffffff;
  border: 1px solid var(--wpcp-border);
  border-radius: var(--wpcp-radius-sm);
  width: 100%;
  height: 180px;
  cursor: crosshair;
}

.wpcp-dark-theme .wpcp-sig-canvas {
  background: #1e293b;
}

/* Modals Overlay */
.wpcp-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.wpcp-modal-overlay.active {
  display: flex;
  animation: wpcpFadeIn 0.3s ease-out;
}

.wpcp-modal {
  background: var(--wpcp-card-bg);
  border: 1px solid var(--wpcp-card-border);
  border-radius: var(--wpcp-radius-lg);
  box-shadow: var(--wpcp-shadow-lg);
  padding: 36px;
  width: 100%;
  max-width: 480px;
  position: relative;
  animation: wpcpScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.wpcp-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 28px;
  border: none;
  background: none;
  color: var(--wpcp-text-muted);
  cursor: pointer;
  outline: none;
}

.wpcp-modal-close:hover {
  color: var(--wpcp-danger);
}

.wpcp-invoice-summary-card {
  background: var(--wpcp-bg);
  padding: 16px 20px;
  border-radius: var(--wpcp-radius-md);
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Animations */
@keyframes wpcpSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes wpcpFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes wpcpFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes wpcpScaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive Rules */
@media (max-width: 900px) {
  .wpcp-portal-layout {
    flex-direction: column;
  }

  .wpcp-sidebar {
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--wpcp-card-border);
    padding: 14px 20px;
  }

  .wpcp-sidebar-header {
    margin-bottom: 0;
  }

  .wpcp-sidebar-nav {
    flex-direction: row;
    gap: 4px;
    background: var(--wpcp-card-bg);
    border: 1px solid var(--wpcp-card-border);
    border-radius: 9999px;
    padding: 4px;
    box-shadow: var(--wpcp-shadow);
  }

  .wpcp-nav-item {
    padding: 8px 12px;
    border-radius: 9999px;
    font-size: 13px;
  }

  .wpcp-nav-item span {
    display: none;
  }

  .wpcp-sidebar-footer {
    display: none;
  }

  .wpcp-main-content {
    padding: 24px;
  }
  
  .wpcp-invoice-doc {
    padding: 24px;
  }

  .wpcp-kanban-board {
    flex-direction: column;
  }

  .wpcp-kanban-column {
    max-width: 100%;
    max-height: 400px;
  }
}