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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.container {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 700px;
  padding: 35px;
  margin: 20px auto;
}

.app-header {
  text-align: center;
  margin-bottom: 30px;
}

.app-title {
  font-size: 2.2em;
  color: #2c3e50;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.pen-icon {
  font-size: 0.8em;
}

.app-description {
  color: #7f8c8d;
  font-size: 0.95em;
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto;
}

.task-count {
  text-align: center;
  font-size: 0.95em;
  color: #3498db;
  font-weight: 600;
  margin-bottom: 20px;
  min-height: 25px;
}

.task-form {
  background: #f8f9fa;
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 30px;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: #2c3e50;
  font-weight: 600;
  font-size: 0.9em;
  letter-spacing: 0.3px;
}

.required {
  color: #e74c3c;
  font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 7px 10px;
  border: 1.5px solid #dee2e6;
  border-radius: 6px;
  font-size: 0.9em;
  font-family: inherit;
  transition: all 0.2s;
  background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.error-message {
  display: block;
  color: #e74c3c;
  font-size: 0.8em;
  margin-top: 4px;
  min-height: 20px;
  font-weight: 500;
}

.submit-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.submit-btn:hover {
  background: linear-gradient(135deg, #2980b9 0%, #21618c 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

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

.tasks-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-item {
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.task-item:hover {
  border-color: #3498db;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

.task-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-title {
  font-size: 1.05em;
  font-weight: 600;
  color: #2c3e50;
  overflow-wrap: anywhere;
  word-break: break-all;
  line-height: 1.4;
}

.task-description {
  color: #666;
  font-size: 0.9em;
  line-height: 1.4;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85em;
  color: #888;
}

.task-date {
  display: flex;
  align-items: center;
  gap: 5px;
}

.task-status-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.task-status-container label {
  color: #666;
  font-weight: 500;
}

.task-status {
  padding: 5px 10px;
  border: 1.5px solid #dee2e6;
  border-radius: 5px;
  font-size: 0.85em;
  font-family: inherit;
  cursor: pointer;
  background: #fff;
  transition: all 0.2s;
  font-weight: 500;
}

.task-status:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.task-status.planned {
  background: #ffebee;
  border-color: #e74c3c;
  color: #c62828;
}

.task-status.in-progress {
  background: #fff9c4;
  border-color: #f1c40f;
  color: #f57f17;
}

.task-status.completed {
  background: #e8f5e9;
  border-color: #27ae60;
  color: #2e7d32;
}

.task-actions {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex-shrink: 0;
}

.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-shrink: 0;
  color: #95a5a6;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  border-radius: 4px;
}

.delete-btn:hover {
  color: #e74c3c;
  background: rgba(231, 76, 60, 0.1);
  transform: scale(1.1);
}

@media (max-width: 600px) {
  .container {
      padding: 25px;
  }

  .app-title {
      font-size: 2em;
  }

  .form-row {
      flex-direction: column;
      gap: 0;
  }

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

  .task-item {
      position: relative;
  }

  .task-actions {
      position: absolute;
      top: 12px;
      right: 12px;
  }

  .task-content {
      padding-right: 35px;
  }
}