html, body {
  height: 100%;
  margin: 0;
  font-family: Roboto, sans-serif;
  color: var(--text-color);
  transition: 0.3s;
  overflow-x: hidden;
  background-color: var(--bg-color);
  background-image: var(--bg-image);
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

:root {
  --bg-color: #f5f5f5;
  --text-color: #000;
  --card-bg: #fff;
  --bg-image: url('/img/fieldday.png');
}

body[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #eee;
  --card-bg: #1e1e1e;
  --bg-image: url('/img/fieldnight.png');
}

body[data-theme="dark"] .service-image {
  filter: brightness(0.7);
}

body[data-theme="dark"] #userAvatar.default-icon {
  filter: brightness(1.5) contrast(1.2);
}

#topButtons {
  position: fixed;
  top: 16px;
  right: 24px;
  display: flex;
  gap: 12px;
  z-index: 1001;
}

#topButtons button {
  border: 1px solid var(--text-color);
  background: transparent;
  color: var(--text-color);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s, opacity 0.2s;
}

#topButtons button:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 0.9;
}

#topButtons button:focus {
  outline: 2px solid var(--text-color);
  outline-offset: 2px;
}

.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 60vh;
  padding: 60px 0 80px 0;
  gap: 40px;
}

.services-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  justify-items: center;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

@media (max-width: 1000px) {
  .services-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-row {
    grid-template-columns: 1fr;
  }
}

.service-card {
  position: relative;
  width: 250px;
  height: 250px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-color);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.service-card:focus {
  outline: 2px solid var(--text-color);
  outline-offset: 2px;
}

.service-title {
  font-size: 18px;
  font-weight: 500;
  margin: 10px 0;
}

.service-image {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 4px;
}

.service-description {
  font-size: 13px;
  margin-top: auto;
  padding: 5px;
}

.add-card {
  font-size: 80px;
  color: #888;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.menu-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.2s;
  user-select: none;
}

.menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.menu-btn:focus {
  outline: 2px solid var(--text-color);
  outline-offset: 2px;
}

.context-menu {
  position: absolute;
  top: 40px;
  right: 10px;
  background: var(--card-bg);
  border: 1px solid #555;
  border-radius: 5px;
  display: none;
  z-index: 9999;
  min-width: 120px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.context-menu.show {
  display: block;
}

.context-menu button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  color: var(--text-color);
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s;
}

.context-menu button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.context-menu button:focus {
  outline: 2px solid var(--text-color);
  outline-offset: -2px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  color: var(--text-color);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 24px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-color);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.modal-close:focus {
  outline: 2px solid var(--text-color);
  outline-offset: 2px;
}

.modal-content input,
.modal-content textarea {
  width: 95%;
  margin: 8px 0;
  padding: 10px;
  background: var(--bg-color);
  color: var(--text-color);
  border: 1px solid #555;
  border-radius: 5px;
  font-family: inherit;
  font-size: 14px;
}

.modal-content input:focus,
.modal-content textarea:focus {
  outline: 2px solid #3f51b5;
  outline-offset: 2px;
}

.modal-content textarea {
  min-height: 80px;
  resize: vertical;
}

.modal-content button {
  margin-top: 12px;
  padding: 10px 20px;
  border: none;
  background: #3f51b5;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.2s, opacity 0.2s;
}

.modal-content button:hover {
  background: #303f9f;
}

.modal-content button:focus {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.modal-content button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.modal-content input[type=file] {
  background: var(--bg-color);
  color: var(--text-color);
}

.modal-content label {
  display: block;
  margin-top: 10px;
  color: var(--text-color);
  font-size: 14px;
}

.modal-content p {
  margin: 10px 0;
  font-size: 14px;
  line-height: 1.5;
}

.modal-content a {
  color: #3f51b5;
  text-decoration: underline;
}

.modal-content a:hover {
  text-decoration: none;
}

#userGreeting {
  position: fixed;
  top: 16px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
  color: var(--text-color);
  font-size: 16px;
}

#userGreeting.hidden {
  display: none;
}

#userAvatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 10002;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}

.toast {
  background: var(--card-bg);
  color: var(--text-color);
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s ease-out;
  min-width: 300px;
  border-left: 4px solid;
}

.toast.success {
  border-left-color: #4caf50;
}

.toast.error {
  border-left-color: #f44336;
}

.toast.info {
  border-left-color: #2196f3;
}

.toast.warning {
  border-left-color: #ff9800;
}

.toast-message {
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 20px;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s;
  opacity: 0.7;
}

.toast-close:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

.toast.hiding {
  animation: slideOut 0.3s ease-in forwards;
}

/* Loading indicator */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10003;
}

.loading-overlay.show {
  display: flex;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

/* Button icons - using text-based icons for better accessibility */
.btn-icon {
  display: inline-block;
  margin-right: 6px;
  font-size: 1em;
}

/* Focus styles for accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid #3f51b5;
  outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}