/* styles.css */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --background-color: #f8f9fa;
  --card-background-color: #ffffff;
  --border-color: #e9ecef;
  --text-color: #212529;
  --text-color-muted: #6c757d;
  --primary-color: #0d6efd;
  --primary-color-hover: #0b5ed7;
  --danger-color: #dc3545;
  --danger-color-hover: #c82333;
  --success-color: #198754;
  --success-color-hover: #157347;
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --heading-font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--background-color);
  font-family: var(--font-family);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  color: var(--text-color);
}

.container {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.card {
  background-color: var(--card-background-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease-in-out;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

h1 {
  font-family: var(--heading-font-family);
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 28px 0;
}

h2 {
  font-family: var(--heading-font-family);
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 20px 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

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

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-color-muted);
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ced4da;
  border-radius: 8px;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
  outline: none;
}

.password-group {
  position: relative;
}

.password-group .icon-btn {
  position: absolute;
  top: 42px;
  right: 16px;
  cursor: pointer;
}

.password-group .icon-btn svg {
  width: 20px;
  height: 20px;
  color: #adb5bd;
  transition: color 0.2s;
}

.password-group .icon-btn:hover svg {
  color: var(--primary-color);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-color-muted);
}

.checkbox-label input {
  width: auto;
}

.course-row {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
  animation: fadeIn 0.4s ease-out;
}

.course-row input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #ced4da;
  border-radius: 8px;
}

.remove-course {
  padding: 10px 16px;
  background-color: #fff;
  color: var(--danger-color);
  border: 1px solid #ced4da;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.remove-course:hover {
  background-color: var(--danger-color);
  color: #fff;
  border-color: var(--danger-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(220, 53, 69, 0.15);
}

#add-course {
  padding: 10px 16px;
  background-color: #f8f9fa;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s;
}

#add-course:hover {
  background-color: #e9ecef;
  border-color: #ced4da;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.automation-controls {
  display: flex;
  gap: 12px;
}

#start-btn, #stop-btn {
  flex: 1;
  padding: 14px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: #ffffff;
}

#start-btn {
  background-color: var(--success-color);
}

#start-btn:hover {
  background-color: var(--success-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(25, 135, 84, 0.2);
}

#stop-btn {
  background-color: var(--danger-color);
}

#stop-btn:hover {
  background-color: var(--danger-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.2);
}

#status-area {
  margin-top: 16px;
  padding: 14px;
  background-color: #f8f9fa;
  border-radius: 8px;
  text-align: center;
  color: var(--text-color-muted);
  font-weight: 500;
  animation: fadeIn 0.5s ease-in-out;
}

#status-area:empty {
  display: none;
}

.registered-courses:not(:has(li)) {
  display: none;
}

.registered-courses ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.registered-courses li {
  background-color: #f8f9fa;
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 10px;
  color: var(--text-color);
  font-weight: 500;
  animation: fadeIn 0.5s ease-in-out;
  border-left: 4px solid var(--success-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.registered-courses .timestamp {
  font-size: 12px;
  color: var(--text-color-muted);
}

.blocked-courses:not(:has(li)) {
  display: none;
}

.blocked-courses ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.blocked-courses li {
  background-color: #f8f9fa;
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 10px;
  color: var(--text-color);
  font-weight: 500;
  animation: fadeIn 0.5s ease-in-out;
  border-left: 4px solid var(--danger-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blocked-courses .timestamp {
  font-size: 12px;
  color: var(--text-color-muted);
}

#error-area {
  padding: 14px;
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
  border-radius: 8px;
  margin-bottom: 16px;
  text-align: center;
  animation: fadeIn 0.5s ease-in-out;
}

.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.courses-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.courses-header h2 {
  margin: 0;
  border: none;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn svg {
  width: 24px;
  height: 24px;
  color: var(--text-color-muted);
  transition: color 0.2s;
}

.icon-btn:hover svg {
  color: var(--primary-color);
}

#json-input-btn svg {
  color: var(--primary-color);
}

#json-input-btn:hover svg {
  color: var(--primary-color-hover);
}

#json-input-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background-color: var(--card-background-color);
  border-radius: 12px;
  padding: 24px;
  width: 600px;
  max-width: 90%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  animation-duration: 0.3s;
  animation-fill-mode: both;
}

.modal-open .modal-content {
  animation-name: zoomIn;
}

.modal-close .modal-content {
  animation-name: zoomOut;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  margin: 0;
  font-size: 20px;
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes zoomOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.9);
  }
}

.modal-controls {
  display: flex;
  gap: 16px;
}

.modal-controls .icon-btn.danger svg {
  color: var(--text-color-muted);
}

.modal-controls .icon-btn.danger:hover svg {
  color: var(--danger-color);
}

.CodeMirror {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  height: 300px;
  font-family: 'Fira Code', monospace;
}