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

:root {
  --cream: #f5f5dc;
  --dark-green: #2d5016;
  --medium-green: #4a7c2c;
  --light-green: #7fb069;
  --orange: #e07a5f;
  --brown: #6b4423;
  --text-dark: #2c3e21;
  --text-gray: #5a6c57;
  --white: #ffffff;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
}

body {
   font-family: "Open Sans", sans-serif;
  background: linear-gradient(180deg, var(--cream) 0%, #f8f8e6 100%);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 16px;
}

input:focus,
button:focus {
  outline: none;
  box-shadow: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background: linear-gradient(90deg, var(--dark-green) 0%, #3a621d 100%);
  padding: 20px 0;
  box-shadow: 0 4px 12px var(--shadow-medium);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 24px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.5px;
}

.logo a {
  gap: 14px;
  font-size: 24px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.5px;
  text-decoration: none;
}

.logo-icon {
  font-size: 32px;
  transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
  transform: rotate(360deg);
}

nav ul {
  display: flex;
  gap: 10px;
  list-style: none;
}

nav button {
  background: var(--medium-green);
  border: none;
  padding: 12px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  border-radius: 30px;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(74, 124, 44, 0.2);
}

nav button:hover {
  background: var(--dark-green);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(45, 80, 22, 0.3);
}

nav button.active {
  background: var(--light-green);
  box-shadow: 0 4px 12px rgba(127, 176, 105, 0.3);
  transform: scale(1.05);
}

.main-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 4px 20px var(--shadow-light);
  margin: 30px 0;
  border: 1px solid #ececd6;
  transition: transform 0.3s ease;
}

.main-card:hover {
  transform: translateY(-4px);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.search-section h2 {
  color: var(--dark-green);
  margin-bottom: 20px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  max-width: 700px;
  align-items: stretch;
}

.search-box input {
  flex: 1;
  padding: 16px 24px;
  border: 2px solid var(--medium-green);
  border-radius: 50px;
  font-size: 16px;
  background: var(--white);
  box-shadow: 0 4px 12px var(--shadow-light);
  transition: all 0.3s ease;
}

.search-box input:focus {
  outline: none;
  border-color: var(--dark-green);
  box-shadow: 0 6px 20px rgba(74, 124, 44, 0.2);
  transform: translateY(-2px);
}

.search-box input::placeholder {
  color: var(--text-gray);
  opacity: 0.8;
}

.btn {
  padding: 14px 32px;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 3px 12px var(--shadow-medium);
  white-space: nowrap;
}

.btn-primary {
  background: var(--medium-green);
  color: var(--white);
  flex-shrink: 0;
  min-width: 120px;
  justify-content: center;
}

.btn-primary:hover {
  background: var(--dark-green);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(45, 80, 22, 0.3);
}

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

.btn-secondary {
  background: var(--orange);
  color: var(--white);
}

.btn-secondary:hover {
  background: #d16b4f;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(224, 122, 95, 0.3);
}

.btn-danger {
  background: #c44536;
  color: var(--white);
}

.btn-danger:hover {
  background: #a63829;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(196, 69, 54, 0.3);
}

.form-submit-btn {
  margin-top: 15px;
  padding: 16px 40px;
  font-size: 16px;
  width: 100%;
  justify-content: center;
}

#map {
  height: 400px;
  border-radius: 10px;
  margin-bottom: 30px;
  border: 2px solid var(--light-green);
  box-shadow: 0 4px 12px var(--shadow-light);
  z-index: 10;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
  padding: 4px;
}

.result-card {
  background: linear-gradient(135deg, #ffffff 0%, var(--cream) 100%);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #e8e8d5;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--medium-green) 0%,
    var(--dark-green) 100%
  );
  transition: width 0.3s ease;
}

.result-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--medium-green);
}

.result-card:hover::before {
  width: 6px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.result-card h3 {
  color: var(--dark-green);
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  flex: 1;
}

.result-card p {
  color: var(--text-gray);
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
}

.result-card p strong {
  color: var(--dark-green);
  font-weight: 600;
  min-width: 70px;
  margin-right: 8px;
}

.result-card .distance {
  color: var(--medium-green);
  font-weight: 600;
  font-size: 15px;
  margin: 16px 0 0 0;
  padding: 10px 14px;
  background: rgba(74, 124, 89, 0.08);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.result-card .distance::before {
  content: '📍';
  font-size: 16px;
}

/* Instagram-style heart button */
.favorite-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  position: relative;
}

.favorite-btn:hover {
  transform: scale(1.1);
}

.favorite-btn:active {
  transform: scale(0.9);
}

.heart-icon {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--dark-green);
  stroke-width: 2;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.favorite-btn.active .heart-icon {
  fill: #e74c3c;
  stroke: #e74c3c;
  animation: heartBeat 0.6s ease;
}

@keyframes heartBeat {
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.3);
  }
  50% {
    transform: scale(1.1);
  }
  75% {
    transform: scale(1.25);
  }
  100% {
    transform: scale(1);
  }
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--dark-green);
  font-size: 15px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #d4d4c0;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: var(--cream);
  transition: all 0.3s ease;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--medium-green);
  background: var(--white);
  box-shadow: 0 4px 12px var(--shadow-light);
}

.alert {
  padding: 16px 20px;
  border-radius: 8px 0 0 8px;
  display: none;
  border-left: 4px solid;
  font-size: 15px;
  font-weight: 500;
  box-shadow: -4px 4px 12px rgba(0, 0, 0, 0.15);
  position: fixed;
  top: 90px;
  right: 0;
  min-width: 320px;
  max-width: 400px;
  z-index: 1000;
  line-height: 1.5;
  transform: translateX(100%);
  transition: transform 0.5s ease-in-out;
}

.alert.show {
  display: block;
  transform: translateX(0);
}

.alert.hide {
  transform: translateX(100%);
}

.alert-success {
  background: #e0f2e9;
  color: #155724;
  border-color: var(--medium-green);
}

.alert-error {
  background: #fce4e6;
  color: #721c24;
  border-color: #c44536;
}

.alert-info {
  background: #e0f2fe;
  color: #0c5460;
  border-color: #5a9aa8;
}

.history-grid {
  display: grid;
  gap: 16px;
}

.history-item {
  background: var(--cream);
  padding: 20px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: start;
  border-left: 4px solid var(--orange);
  border: 1px solid #e8e8d5;
  transition: transform 0.3s ease;
}

.history-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px var(--shadow-light);
}

.history-item.report {
  border-left-color: var(--brown);
}

.history-info h3 {
  margin-bottom: 8px;
  color: var(--dark-green);
  font-size: 17px;
  font-weight: 600;
}

.history-info p {
  color: var(--text-gray);
  font-size: 14px;
  margin-bottom: 6px;
}

.history-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn-small {
  padding: 8px 16px;
  font-size: 14px;
}

.loading {
  display: none;
  text-align: center;
  padding: 20px;
}

.loading.show {
  display: block;
}

.spinner {
  border: 4px solid #e8e8d5;
  border-top: 4px solid var(--medium-green);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 10px;
}

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

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-gray);
  background: var(--white);
  border-radius: 10px;
  border: 1px solid #e8e8d5;
}

.empty-state-icon {
  font-size: 60px;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: 10px;
  color: var(--dark-green);
  font-weight: 600;
  font-size: 20px;
}

.description-text {
  color: var(--text-gray);
  margin-bottom: 30px;
  font-size: 15px;
  line-height: 1.8;
}

.section-title {
  margin-bottom: 20px;
  color: var(--dark-green);
  font-weight: 700;
  font-size: 22px;
}
.about-creator {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
  text-align: center;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.about-creator h1 {
  font-size: 28px;
  margin-bottom: 15px;
  color: #2c3e50;
}

.about-creator h1 span {
  color: var(--dark-green);
}

.about-creator p {
  font-size: 16px;
}

.about-creator p {
  font-size: 16px;
  color: #444;
  margin-bottom: 12px;
}

.creator-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
}

footer {
  padding: 40px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center
}


.copyright-symbol {
  display: inline-block;
  font-weight: 600;
}

.links {
  margin-top: 20px;
  padding-top: 15px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  border-top: 1px solid #e8e8d5;
  width: 100%;
}

.links a {
  text-decoration: none;
  color: var(--dark-green);
  font-size: 14px;
  transition: all 0.3s ease;
  padding-bottom: 3px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 20px;
  width: 90%;
  max-width: 600px;
  text-align: center;
  position: relative;
}

.modal-content img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.close-btn {
  position: absolute;
  top: 8px;
  right: 12px;
  cursor: pointer;
  font-size: 24px;
  color: #555;
}



@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .header-content {
    flex-direction: column;
    gap: 15px;
  }

  nav ul {
    width: 100%;
    justify-content: center;
    gap: 8px;
  }

  nav button {
    flex: 1;
    padding: 12px 16px;
    font-size: 14px;
  }

  .search-box {
    flex-direction: column;
    max-width: 100%;
  }

  .search-box input {
    padding: 16px 20px;
  }

  #map {
    height: 300px;
  }

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

  .history-item {
    flex-direction: column;
    gap: 15px;
  }

  .main-card {
    padding: 12px;
  }

  .search-section h2 {
    font-size: 20px;
    text-align: center;
  }

  .section-title {
    font-size: 20px;
  }

  .alert {
    padding: 14px 16px;
    border-radius: 12px;
    display: none;
    border-left: 4px solid;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 130px;
    left: 16px;
    right: 16px;
    width: calc(100% - 32px);
    max-width: 100%;
    z-index: 1000;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(-30px);
    transition: all 0.4s ease-out;
  }

  .alert.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
  }

  .alert.hide {
    opacity: 0;
    transform: translateY(-30px);
  }

  .alert-success {
    background: #e0f2e9;
    color: #155724;
    border-color: var(--medium-green, #28a745);
  }

  .alert-error {
    background: #fce4e6;
    color: #721c24;
    border-color: #c44536;
  }

  .alert-info {
    background: #e0f2fe;
    color: #0c5460;
    border-color: #5a9aa8;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 20px;
  }

  .logo-icon {
    font-size: 28px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .form-submit-btn {
    padding: 14px 30px;
  }

  .main-card {
    margin: 20px 0;
  }
}