/* ========================================
   CAVAS Internet - Design System
   ======================================== */

:root {
  /* Color Palette - Based on CAVAS Interface */
  --primary-green: #4caf50;
  --primary-green-dark: #388e3c;
  --primary-green-light: #66bb6a;

  --secondary-blue: #b8e6f0;
  --secondary-blue-dark: #a0d8e4;
  --info-blue: #2196f3;

  --background-main: #f5f7fa;
  --background-white: #ffffff;
  --background-dark: #1e293b;

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-white: #ffffff;

  --border-color: #e2e8f0;
  --border-focus: #4caf50;

  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* 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;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Global Styles
   ======================================== */

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

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  background-color: var(--background-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Header
   ======================================== */

.header {
  background: linear-gradient(
    135deg,
    var(--primary-green) 0%,
    var(--primary-green-dark) 100%
  );
  color: var(--text-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 700;
}

.header-stats {
  display: flex;
  gap: var(--spacing-xl);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.stat-value {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1;
}

/* ========================================
   Alert Banner
   ======================================== */

.alert-banner {
  position: fixed;
  top: 20px;
  right: 20px;
  width: auto;
  max-width: 400px;
  z-index: 2000;
  background-color: #ffffff; /* White background */
  color: var(--text-primary); /* Dark text */
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* Premium shadow */
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color); /* Subtle border */
  border-left-width: 4px; /* Default left border width */
  border-left-style: solid;
  border-left-color: var(--info-blue); /* Default color */
  animation: slideInRight 0.3s ease-out;
  display: none;
}

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

.alert-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.alert-icon {
  color: var(--info-blue);
  flex-shrink: 0;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* ========================================
   Filters Card
   ======================================== */

.filters-card {
  background: var(--background-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: box-shadow var(--transition-base);
}

.filters-card:hover {
  box-shadow: var(--shadow-lg);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

.filter-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--background-white);
  transition: all var(--transition-base);
}

.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

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

/* ========================================
   Buttons
   ======================================== */

.btn-primary,
.btn-secondary,
.btn-icon,
.btn-close {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-green) 0%,
    var(--primary-green-dark) 100%
  );
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--background-white);
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
}

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

.btn-icon {
  padding: var(--spacing-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid transparent;
}

.btn-icon:hover {
  background: var(--background-main);
  color: var(--primary-green);
}

.btn-icon.active {
  background: var(--primary-green);
  color: var(--text-white);
}

.btn-close {
  padding: var(--spacing-sm);
  background: transparent;
  color: var(--text-secondary);
}

.btn-close:hover {
  background: var(--error);
  color: var(--text-white);
}

/* ========================================
   List Section
   ======================================== */

.list-section {
  background: var(--background-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

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

.view-controls {
  display: flex;
  gap: var(--spacing-sm);
}

/* ========================================
   Installations Container
   ======================================== */

.installations-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
}

.installations-container.grid-view {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: var(--spacing-md);
}

.installations-container.list-view {
  display: flex !important;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* ========================================
   Installation Card
   ======================================== */

.installation-card {
  background: var(--background-white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.installation-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-green);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

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

.installation-card:hover::before {
  transform: scaleY(1);
}

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

.card-type-badge {
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-antena {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--text-white);
}

.badge-fibra {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: var(--text-white);
}

.card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.card-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-sm);
}

/* Grid view adjustments */
.installations-container.grid-view .card-details {
  grid-template-columns: 1fr;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-label {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.detail-value {
  font-size: 0.8125rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ========================================
   Loading & Empty States
   ======================================== */

.loading-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  text-align: center;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--spacing-lg);
}

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

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  color: var(--text-muted);
}

/* ========================================
   Modal
   ======================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-base);
}

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

.modal-content {
  position: relative;
  background: var(--background-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideUp var(--transition-slow);
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-xl);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  border-top: 2px solid var(--border-color);
}

/* ========================================
   Form Fields in Modal
   ======================================== */

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.col-span-full {
  grid-column: 1 / -1;
}

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--background-white);
  transition: all var(--transition-base);
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-group input[readonly] {
  background-color: var(--background-main);
  cursor: not-allowed;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .header-stats {
    width: 100%;
    justify-content: space-around;
  }

  .filters-grid {
    grid-template-columns: 1fr;
  }

  .filter-actions {
    flex-direction: column;
  }

  .filter-actions button {
    width: 100%;
  }

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

  .installations-container.grid-view {
    grid-template-columns: 1fr;
  }

  .modal-content {
    max-height: 100vh;
    border-radius: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
  display: none !important;
}

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

.text-blue {
  color: var(--info-blue);
}

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

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

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

.no-scroll {
  overflow: hidden;
}

/* ========================================
   Top Pagination Controls
   ======================================== */

.pagination-controls-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--background-main);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  gap: var(--spacing-lg);
}

.pagination-left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.pagination-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pagination-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-xs);
}

.items-per-page {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.items-per-page select {
  padding: 4px var(--spacing-sm);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--background-white);
  cursor: pointer;
  transition: all var(--transition-base);
}

.items-per-page select:focus {
  outline: none;
  border-color: var(--primary-green);
}

.pagination-info-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.page-numbers-compact {
  display: flex;
  gap: 4px;
}

.page-numbers-compact .page-number {
  min-width: 32px;
  height: 32px;
  padding: 4px 8px;
  font-size: 0.8125rem;
}

/* Hide old bottom pagination */
.pagination-controls {
  display: none !important;
}

/* ========================================
   Pagination (Original)
   ======================================== */

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

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

.btn-pagination {
  padding: 6px var(--spacing-md);
  border: 2px solid var(--border-color);
  background: var(--background-white);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-primary);
  font-family: inherit;
}

.btn-pagination:hover:not(:disabled) {
  border-color: var(--primary-green);
  color: var(--primary-green);
  background: var(--background-main);
}

.btn-pagination:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  gap: var(--spacing-xs);
}

.page-number {
  min-width: 32px;
  height: 32px;
  padding: 4px 8px;
  border: 2px solid var(--border-color);
  background: var(--background-white);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.page-number:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  background: var(--background-main);
}

.page-number.active {
  background: var(--primary-green);
  color: var(--text-white);
  border-color: var(--primary-green);
}

.page-number.ellipsis {
  border: none;
  cursor: default;
  pointer-events: none;
}

@media (max-width: 768px) {
  .pagination-controls-top {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .pagination-left,
  .pagination-center,
  .pagination-right {
    justify-content: center;
  }

  .card-details {
    grid-template-columns: 1fr 1fr;
  }

  /* Grid view responsive */
  .installations-container.grid-view {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  /* Tablets: 2 columns */
  .installations-container.grid-view {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* User Menu Styles */
.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-name {
  color: white;
  font-weight: 500;
  font-size: 14px;
}

.user-role {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.btn-users {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-users:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-logout {
  background: rgba(231, 76, 60, 0.9);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.btn-logout:hover {
  background: rgba(192, 57, 43, 1);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

/* Danger Button (Delete) */
.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-danger:active {
  transform: translateY(0);
}