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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background-color: rgb(249, 250, 251);
  color: rgb(17, 24, 39);
  line-height: 1.6;
}

.header {
  background: rgb(255, 255, 255);
  border-bottom: 1px solid rgb(229, 231, 235);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem;
}

.header-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.header-title i {
  font-size: 2rem;
  color: rgb(37, 99, 235);
}

.header-title h1 {
  font-size: 1.5rem;
  font-weight: bold;
  color: rgb(17, 24, 39);
}

/* Search Bar Styles */
.search-container {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgb(156, 163, 175);
  font-size: 1.25rem;
}

#searchInput {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  border: 1px solid rgb(209, 213, 219);
  border-radius: 0.5rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#searchInput:focus {
  border-color: rgb(37, 99, 235);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.layout {
  display: flex;
  gap: 1.5rem;
}

/* Filters Sidebar */
.sidebar {
  width: 16rem;
  flex-shrink: 0;
}

.sidebar-content {
  background: rgb(255, 255, 255);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  position: sticky;
  top: 6rem;
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.sidebar-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: rgb(17, 24, 39);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-header h2 i {
  color: rgb(37, 99, 235);
}

.clear-btn {
  background: none;
  border: none;
  color: rgb(156, 163, 175);
  font-size: 0.875rem;
  cursor: not-allowed;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.clear-btn.active {
  color: rgb(37, 99, 235);
  cursor: pointer;
}

.clear-btn.active:hover {
  color: rgb(29, 78, 216);
}

.filter-count {
  padding: 0.5rem 0.75rem;
  background: rgb(239, 246, 255);
  border: 1px solid rgb(191, 219, 254);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.filter-count p {
  font-size: 0.875rem;
  color: rgb(30, 64, 175);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-count i {
  color: rgb(37, 99, 235);
}

.filter-section {
  margin-bottom: 1.5rem;
}

.filter-section h3 {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(55, 65, 81);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-section h3 i {
  color: rgb(107, 114, 128);
  font-size: 0.875rem;
}

.filter-section h3 .count {
  color: rgb(37, 99, 235);
  margin-left: auto;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: background 0.2s;
}

.filter-option:hover {
  background: rgb(249, 250, 251);
}

.filter-option input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  accent-color: rgb(37, 99, 235);
}

.filter-option span {
  font-size: 0.875rem;
  color: rgb(107, 114, 128);
  text-transform: capitalize;
}

.filter-option.selected span {
  color: rgb(17, 24, 39);
  font-weight: 500;
}

/* Exercise Cards */
.main-content {
  flex: 1;
  min-width: 0;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.results-count {
  color: rgb(107, 114, 128);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.results-count i {
  color: rgb(156, 163, 175);
}

.exercise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.exercise-card {
  background: rgb(255, 255, 255);
  border: 1px solid rgb(229, 231, 235);
  border-radius: 0.5rem;
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.2s, transform 0.2s;
}

.exercise-card:hover {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.exercise-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: rgb(17, 24, 39);
  margin-bottom: 0.75rem;
}

.exercise-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.badge {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.badge i {
  font-size: 0.625rem;
}

.badge-type {
  background: rgb(219, 234, 254);
  color: rgb(30, 64, 175);
}

.badge-muscle {
  background: rgb(233, 213, 255);
  color: rgb(107, 33, 168);
}

.badge-difficulty {
  background: rgb(220, 252, 231);
  color: rgb(21, 128, 61);
}

.exercise-equipment {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgb(107, 114, 128);
  margin-bottom: 1rem;
}

.exercise-equipment i {
  color: rgb(156, 163, 175);
}

.view-details-btn {
  width: 100%;
  padding: 0.5rem;
  background: rgb(37, 99, 235);
  color: rgb(255, 255, 255);
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-size: 0.875rem;
}

.view-details-btn:hover {
  background: rgb(29, 78, 216);
}

.view-details-btn:active {
  transform: scale(0.98);
}

.hidden {
  display: none !important;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  overflow-y: auto;
  padding: 2rem 1rem;
}

.modal.active {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.modal-content {
  background: rgb(255, 255, 255);
  border-radius: 0.75rem;
  max-width: 700px;
  width: 100%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid rgb(229, 231, 235);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: rgb(17, 24, 39);
  margin: 0;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: rgb(107, 114, 128);
  cursor: pointer;
  transition: color 0.2s;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: rgb(37, 99, 235);
}

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: rgb(17, 24, 39);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.modal-section h3 i {
  color: rgb(37, 99, 235);
}

.modal-section p {
  color: rgb(55, 65, 81);
  text-transform: capitalize;
}

/* Tablet View */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .exercise-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

/* Mobile View */
@media (max-width: 768px) {
  .header-content {
    padding: 0.75rem;
  }

  .header-title h1 {
    font-size: 1.25rem;
  }

  .header-title i {
    font-size: 1.5rem;
  }

  .container {
    padding: 1rem 0.75rem;
  }

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

  .modal-content {
    margin: 1rem 0;
  }

  .modal-header {
    padding: 1rem;
  }

  .modal-body {
    padding: 1rem;
  }
}