/* GANA Dashboard - Professional Styling with Aistra Color Palette */

:root {
  /* Aistra Color Palette */
  --primary-green: #d9f378;
  --primary-dark: #5d535c;
  --secondary-dark: #333333;
  --deepest-dark: #1c1e20;
  
  /* Derived Colors */
  --primary-green-hover: #c5e85d;
  --primary-green-light: #e8f7a3;
  --primary-green-dark: #b8d955;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-family: 'Roboto Flex', -apple-system, BlinkMacSystemFont, 'Segoe UI', roboto, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* 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: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--secondary-dark);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--deepest-dark) 0%, var(--primary-dark) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(217, 243, 120, 0.2);
  border-left: 4px solid var(--primary-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-lg);
}

.loading-screen p {
  color: var(--white);
  font-weight: var(--font-weight-medium);
  font-size: 1.1rem;
  letter-spacing: 0.025em;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Authentication Modal */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(28, 30, 32, 0.95);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9998;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.auth-modal.hidden {
  opacity: 0;
  visibility: hidden;
}

.auth-content {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 420px;
  margin: var(--spacing-lg);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.auth-header h2 {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--deepest-dark);
  margin-bottom: var(--spacing-sm);
}

.auth-header p {
  color: var(--gray-600);
  font-weight: var(--font-weight-medium);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  font-weight: var(--font-weight-semibold);
  color: var(--secondary-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group select {
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(217, 243, 120, 0.15);
}

.auth-submit {
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
  color: var(--deepest-dark);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.auth-submit:hover {
  background: linear-gradient(135deg, var(--primary-green-hover) 0%, var(--primary-green) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.auth-submit:active {
  transform: translateY(0);
}

.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-loading {
  display: none;
}

.auth-submit.loading .btn-text {
  display: none;
}

.auth-submit.loading .btn-loading {
  display: block;
}

.auth-error {
  padding: var(--spacing-md);
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  text-align: center;
}

.auth-error.hidden {
  display: none;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.dashboard.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Header */
.dashboard-header {
  background: linear-gradient(135deg, var(--deepest-dark) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: 0;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left h1 {
  font-size: 1.875rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--white) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-subtitle {
  color: var(--gray-300);
  font-weight: var(--font-weight-medium);
  font-size: 0.95rem;
}

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

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

.status-dot.connecting {
  background: var(--warning);
}

.status-dot.error {
  background: var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#connectionText {
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
}

.header-btn {
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--white);
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.header-btn svg {
  display: block;
}

/* Main Layout */
.dashboard-main {
  flex: 1;
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  min-height: calc(100vh - 100px);
}

/* Sidebar */
.dashboard-sidebar {
  width: 280px;
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--gray-600);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.nav-item:hover {
  background: var(--gray-50);
  color: var(--secondary-dark);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--primary-green) 100%);
  color: var(--deepest-dark);
  font-weight: var(--font-weight-semibold);
}

.nav-item svg {
  flex-shrink: 0;
}

/* Quick Stats */
.quick-stats {
  padding: var(--spacing-lg);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.quick-stats h3 {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--deepest-dark);
  margin-bottom: var(--spacing-lg);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-200);
}

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

.stat-label {
  color: var(--gray-600);
  font-weight: var(--font-weight-medium);
  font-size: 0.9rem;
}

.stat-value {
  color: var(--deepest-dark);
  font-weight: var(--font-weight-bold);
  font-size: 1.2rem;
}

/* Content Area */
.dashboard-content {
  flex: 1;
  padding: var(--spacing-xl);
  background: var(--gray-50);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.content-header h2 {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--deepest-dark);
}

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

.filter-group {
  display: flex;
  gap: var(--spacing-sm);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  background: var(--white);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  color: var(--secondary-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(217, 243, 120, 0.15);
}

/* Tenders Grid */
.tenders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--spacing-lg);
}

.tender-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.tender-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-green);
}

.tender-card.selected {
  border-color: var(--primary-green);
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--white) 100%);
  box-shadow: 0 0 0 3px rgba(217, 243, 120, 0.15);
}

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

.tender-id {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-weight: var(--font-weight-bold);
  font-size: 1.1rem;
  color: var(--deepest-dark);
}

.tender-status {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.tender-status.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.tender-status.accepted {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.tender-status.rejected {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

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

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

.detail-label {
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.detail-value {
  font-weight: var(--font-weight-semibold);
  color: var(--secondary-dark);
}

.tender-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

.customer-info,
.route-info {
  font-size: 0.9rem;
  color: var(--gray-600);
  font-weight: var(--font-weight-medium);
}

/* Action Cards */
.actions-content,
.milestones-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 800px;
}

.action-card,
.milestone-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.action-card h3,
.milestone-card h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--deepest-dark);
  margin-bottom: var(--spacing-lg);
}

.action-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.action-btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.accept-btn:hover {
  background: #059669;
  border-color: #059669;
  transform: translateY(-1px);
}

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

.reject-btn:hover {
  background: #dc2626;
  border-color: #dc2626;
  transform: translateY(-1px);
}

.action-form {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  margin-top: var(--spacing-lg);
}

.action-form.hidden {
  display: none;
}

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

.submit-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
  color: var(--deepest-dark);
  border: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.submit-btn:hover {
  background: linear-gradient(135deg, var(--primary-green-hover) 0%, var(--primary-green) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Milestone Buttons */
.milestone-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.milestone-btn {
  padding: var(--spacing-md);
  background: var(--white);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  color: var(--secondary-dark);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.milestone-btn:hover {
  border-color: var(--primary-green);
  background: var(--primary-green-light);
  transform: translateY(-1px);
}

.milestone-btn:active {
  background: var(--primary-green);
}

.location-form {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

/* Results */
.action-result,
.milestone-result {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  margin-top: var(--spacing-lg);
}

.action-result.success,
.milestone-result.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.action-result.error,
.milestone-result.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.action-result.hidden,
.milestone-result.hidden {
  display: none;
}

/* Analytics */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.analytics-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.analytics-card h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--deepest-dark);
  margin-bottom: var(--spacing-lg);
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.metric:last-child {
  margin-bottom: 0;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary-green-dark);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.metric-label {
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  color: var(--white);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease-out;
  min-width: 300px;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--error);
}

.toast.warning {
  background: var(--warning);
}

.toast.info {
  background: var(--info);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .dashboard-main {
    flex-direction: column;
  }
  
  .dashboard-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
  }
  
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
  }
  
  .quick-stats {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .header-left h1 {
    font-size: 1.5rem;
  }
  
  .header-right {
    gap: var(--spacing-md);
  }
  
  .dashboard-content {
    padding: var(--spacing-md);
  }
  
  .tenders-grid {
    grid-template-columns: 1fr;
  }
  
  .auth-content {
    padding: var(--spacing-lg);
  }
  
  .tender-details {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .milestone-buttons {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .auth-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
  }
  
  .header-left h1 {
    font-size: 1.25rem;
  }
  
  .toast-container {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }
  
  .toast {
    min-width: auto;
  }
}

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

.loading {
  opacity: 0.6;
  pointer-events: none;
}

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

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

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

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

.font-mono {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Print Styles */
@media print {
  .dashboard-header,
  .dashboard-sidebar,
  .toast-container {
    display: none;
  }
  
  .dashboard-content {
    padding: 0;
  }
  
  .tender-card {
    break-inside: avoid;
    box-shadow: none;
    border: 2px solid var(--gray-300);
  }
}