:root {
  --primary: #667eea;
  --primary-dark: #764ba2;
  --secondary: #e0e6ed;
  --text-dark: #333;
  --text-light: #666;
  --white: #fff;
  --success: #28a745;
  --error: #dc3545;
  --whatsapp-start: #25d366;
  --whatsapp-end: #128c7e;
  --maps-start: #4285f4;
  --maps-end: #34a853;
}

/* global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  min-height: 100vh;
  color: var(--text-dark);
}
body.modal-open {
  overflow: hidden;
  height: 100vh;
}
.hidden {
  display: none !important;
}

/* containers */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

/* header */
.header {
  text-align: center;
  margin-bottom: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.header h1 {
  color: var(--white);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.header p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
}

/* filter */
.search-filter {
  background: var(--white);
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  align-items: center;
}
.search-input,
.category-filter {
  padding: 12px 20px;
  border: 2px solid var(--secondary);
  border-radius: 25px;
  font-size: 16px;
  transition: 0.3s;
}
.search-input {
  flex: 1;
  min-width: 300px;
}
.search-input:focus,
.category-filter:focus {
  outline: none;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

/* grid */
.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  grid-auto-rows: 1fr;
  gap: 25px;
  margin-bottom: 40px;
}
.business-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transition: 0.3s;
  /* new */
  display: flex;
  flex-direction: column;
  height: 100%;
}
.business-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}
.business-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: 0.3s;
}
.business-card:hover .business-image {
  transform: scale(1.05);
}
.business-info {
  padding: 25px;

  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.business-name {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.business-category {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.business-description {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: max-height 0.4s ease, -webkit-line-clamp 0.4s ease;
  max-height: 3.6em; /* ~2 lines at 1.8em */
}

.business-description.expanded {
  -webkit-line-clamp: unset;
  max-height: 500px;
  overflow: visible;
}

.show-more-btn {
  background: none;
  color: var(--primary);
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-top: 8px;
  text-align: left;
}

.business-address {
  margin-top: 12px;
  margin-bottom: 12px;
  font-style: italic;
}

/* buttons */
.business-actions,
.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.action-btn,
.btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 20px;
  border: none;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
}
.btn-secondary {
  background: #f8f9fa;
  color: var(--text-dark);
  border: 2px solid var(--secondary);
}
.whatsapp-btn {
  background: linear-gradient(
    135deg,
    var(--whatsapp-start),
    var(--whatsapp-end)
  );
  color: var(--white);
}
.maps-btn {
  background: linear-gradient(135deg, var(--maps-start), var(--maps-end));
  color: var(--white);
}
.whatsapp-btn:hover,
.btn:hover {
  transform: translateY(-2px);
}

/* add button */
.add-business-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  color: var(--white);
  font-size: 24px;
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
  border: none;
  transition: 0.3s;
}
.add-business-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

/* modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  backdrop-filter: blur(5px);
}
.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--white);
  padding: 30px;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.modal-content::-webkit-scrollbar {
  display: none;
}
.modal h3 {
  margin-bottom: 20px;
  color: var(--text-dark);
  font-size: 1.5rem;
  text-align: center;
}

/* form groups */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--text-dark);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--secondary);
  border-radius: 10px;
  font-size: 14px;
  transition: 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

/* image inputs row */
.image-inputs {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.image-input {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.file-upload-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
#businessImageFile {
  display: none;
}
.custom-upload-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}
.custom-upload-btn:hover {
  transform: translateY(-2px);
}

.note {
  font-size: 0.85rem;
  color: purple;
}

#imagePreview {
  display: none;
  width: 80%;
  object-fit: cover;
  border: 2px solid #ccc;
  border-radius: 10px;
  margin-top: 10px;
}

/* map */
#map {
  width: 100%;
  height: 300px;
  border-radius: 10px;
  margin-top: 10px;
}

/* notifications */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: bold;
  color: var(--white);
  z-index: 9999;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  opacity: 0;
  animation: fadeInOut 4s forwards;
}
.notification.success {
  background-color: var(--success);
}
.notification.error {
  background-color: var(--error);
}
@keyframes fadeInOut {
  0%,
  100% {
    opacity: 0;
  }
  10%,
  90% {
    opacity: 1;
  }
}

/* pagination */
.pagination-controls {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 20px 0;
}
.pagination-controls button {
  padding: 5px 10px;
  border: none;
  background: #eee;
  cursor: pointer;
  border-radius: 5px;
}
.pagination-controls button.active {
  background-color: #007bff;
  color: #fff;
  font-weight: bold;
}

/* keyframes & pulse */
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}
.pulse {
  animation: pulse 2s ease-in-out;
}

/* responsive */
@media (max-width: 992px) {
  .container {
    padding: 15px;
  }

  .modal-content {
    width: 95%;
    padding: 25px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 15px;
  }

  .add-business-btn {
    width: 55px;
    height: 55px;
    font-size: 22px;
  }

  .header h1 {
    font-size: 2.5rem;
  }

  .business-description {
    font-size: 0.95rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  .header {
    padding: 20px;
    border-radius: 15px;
  }

  .header h1 {
    font-size: 1.8rem;
  }

  .header p {
    font-size: 1rem;
  }

  .search-input {
    min-width: unset;
    width: 100%;
  }

  .category-filter {
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
    gap: 12px;
  }

  .business-info {
    padding: 20px;
  }

  .business-name {
    font-size: 1.2rem;
  }

  .business-description {
    font-size: 0.9rem;
  }

  .modal-content {
    width: 95%;
    padding: 20px;
  }

  .custom-upload-btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .file-upload-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .add-business-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
    bottom: 20px;
    right: 20px;
  }

  #map {
    height: 250px;
  }

  .pagination-controls {
    flex-wrap: wrap;
  }

  .pagination-controls button {
    padding: 6px 8px;
    font-size: 14px;
  }
}

.was-validated input:invalid,
.was-validated textarea:invalid,
.was-validated select:invalid {
  border-color: var(--error);
  background-color: #fff5f5;
}

.was-validated input:valid,
.was-validated textarea:valid,
.was-validated select:valid {
  border-color: var(--success);
}